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RT-ZD40 User Manual

1. User Manual 1410 5363 02 01 29 R amp S RT ZD40 Characteristics of Differential Probes Dynamic Range and Operating Voltage Window e Probing on ground referenced signals In this case the common mode com ponent is always equal to half of the input voltage 4 2 Dynamic Range and Operating Voltage Window Two separate specifications are necessary in order to characterize the permissi ble input voltage range of a differential voltage probe The dynamic range or differential mode range designates the maximum differential voltage that may occur between the positive and negative sig nal pin At the same time the two voltage values at each of the two signal pins V und V referenced to the common ground must not exceed a specific limit value This limitation is referred to as the operating voltage window Some manufac turers also use the less precise term common mode range for the same parameter If one of these ranges is exceeded an unwanted signal clipping may occur 30 V Maximum non destructive input voltage 30 Y HSS PINNE Operating Pos input V input Pos input V
2. YM suods ld d s pue aun sli yipimpueg ipold4A 7 uono uuo2 Z G 9 81 38 User Manual 1410 5363 02 01 R amp S RT ZD40 Measurement Principles Signal Loading of the Input Signal 5 1 3 CMRR The CMRR is very good for low frequency signals but it continuously decreases for higher frequencies Therefore the CMRR is usually specified as a function of frequency The figure 5 5 shows a typical CMRR for an R amp S RT ZD40 differential probe with a very symmetrical connection to the DUT An asymmetrical connection to the test point can decrease the CMRR To achieve the best possible CMRR the con nection to the DUT should always be as symmetrical as possible 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 CMRR in dB 0 100E3 1E6 10E6 100E6 1E9 10E9 Frequency in Hz Fig 5 5 Typical CMRR of the R amp S RT ZD40 probe as a function of frequency 5 2 Signal Loading of the Input Signal The previous section explained the transfer function and step response of the probe This section describes how the probe influences the input signal The input signal loading caused by the probe is determined by its input impedance In gen eral the probe causes only low signal loading because its input impedance is usually much greater than the source impedance of the test circuit a a re a AAA Een User Manual 1410 5363 02 01 39 R amp S RT ZD40 Measurement Principles Sig
3. 16 2 1 2 Identification of the Probe ooocccocncocncoccncocncooconocononconnconnnnonanonnnnonanoss 16 A e 17 2 2 MEG TUCO Le 18 2 3 Offset Uompehsa onlu u 18 2 3 1 Differential 115 2 18 2 3 2 Common Mode OffS8t oocccocccoccccccncocnconcncocnconcnoncncnnconncnnnnronnrnnnanonos 20 24 R amp S PD re 21 3 Connecting the Probe to the DUT 23 A EE Gr A User Manual 1410 5363 02 01 3 R amp S RT ZD40 Contents 4 Characteristics of Differential Probes 28 4 1 Common Mode Rejection Ratio CMRR 29 4 2 Dynamic Range and Operating Voltage VVindovv 30 4 3 Maximum Non Destructive Input Voltage 31 4 4 Ground ConnectioOn a xranurnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnernnnnnnnr 31 5 Measurement Principles 33 5 1 Signal Integrity of the Transferred Signal 35 A PP 35 5 1 2 Connection 1 36 AA oo 39 5 2 Signal Loading of the Input Signal 39 5 2 1 Signal Loading for Differential Input Signals 40 5 2 2 Signal Loading for Non Differential Input Signals 42 5 3 Prob
4. A A AA User Manual 1410 5363 02 01 36 R amp S RT ZD40 Measurement Principles Signal Integrity of the Transferred Signal Should be as small as possible short lead length in order to maintain high signal integrity SN Ny aS Wes Ll OS LA 1 Proportional to A 1 0 2 TT Loon Co S Ree BW proportional to Fig 5 4 Ground connection and connection inductance using the example of R amp S RT ZD10 20 30 The table 5 2 shows different types of connections between the probe and DUT as well as the associated connection inductance L The table also includes typ ical bandwidth values rise time values and the step responses for each connec tion in conjunction with an R amp S RT ZD40 A A MASGMMUUUUUUUUUUUUUUUUUUUUUU uuuN User Manual 1410 5363 02 01 37 les incip Measurement Pr R amp S RT ZD40 Signal Integrity of the Transferred Signal SU Ul au A ul Be I0A indjno WIOU A ul Be I0A ind3no wou suods l days 2012 lulu aun 501 0 OJOIW Bunes Buoy lan speo ZHW 00S Buoj Ala bul oeds ajqeuenr s1ajdepe 184008 ww Ol Ul sapjos suid eubis uo sd 08 gt SJajdepe ZH G lt HU Hous sd G gt LULUG Ul Japjos suid eubis ZHO GG lt Hu z H US AH A uoo SWI SL pue u pimpueg d 1 uon o uuo JO dAL JO Sad
5. Table 5 1 Designations Abbreviation Differential voltage between the test point without probe connected Differential voltage at the test point with probe connected corre sponds to the input voltage of the probe Differential source resistance of the DUT Differential load resistance of the DUT Probe specific input resistance Probe specific input capacitance Parasitic inductance of the probe connection Probe output voltage displayed by the oscilloscope Ha ep User Manual 1410 5363 02 01 34 R amp S RT ZD40 Measurement Principles Signal Integrity of the Transferred Signal 5 1 Signal Integrity of the Transferred Signal The following sections describe the effect that bandwidth connection inductance and common mode rejection ratio have on signal integrity 5 1 1 Bandwidth The bandwidth BW of a probe is one of its specific parameters The bandwidth of the probe and the bandwidth of the base unit together form the system band width The following explanations refer to the probe itself but can also be applied to the entire system 15 Gain in dB Frequency in Hz Fig 5 2 Amplitude frequency response of the R amp S RT ZD40 The bandwidth Specifies the maximum frequency at which a purely sinusoidal signal is still transferred at 70 3 dB of its amplitude See figure 5 2 Specifies the transferable spectrum for other waveforms E g with square wave signals the fifth harmonic should st
6. causes the input impedance to decrease in the medium frequency range 100 kHz to 1 0 GHz It affects the settling time of the input voltage in the case of fast transients 5 2 1 3 RF Resistance Rpr The RF resistance Rar determines the minimum input impedance and thus the maximum loading at very high frequencies above 1 0 GHz Thus the measure ment result depends on the source impedance of the DUT The RF resistance Rar prevents the input voltage from rising immediately to its final value in the case of fast transients The resulting loading of a step signal at the input of the probe is shown in fig ure 5 7 po gt Input Voltage in V Yv v Vin 0 500 1000 1500 2000 Time in ps Fig 5 7 Signal loading caused by the R amp S RT ZD40 probe A EEE i Er GF EE User Manual 1410 5363 02 01 41 R amp S RT ZD40 Measurement Principles Probing Philosophy 5 2 2 Signal Loading for Non Differential Input Signals As described in chapter 4 Characteristics of Differential Probes on page 28 various types of input signals can be measured with a differential probe Every type of input signal has an associated input impedance e For differential input signals the input impedance of the probe is the impe dance between its positive and negative signal sockets e For single ended input signals the input impedance is the impedance between the positive or negative signal socket and th
7. For more details on the available functions and settings for the micro but ton refer to the User Manual of the R amp S oscilloscope 2 3 Offset Compensation The R amp S RT ZD40 features two offset compensation functions a differential off set compensation and a common mode offset compensation Each function com pensates a particular DC component of the input signal even in front of the active amplifier in the probe tip For a definition of differential and common mode input voltages see chapter 4 Characteristics of Differential Probes on page 28 2 3 1 Differential Offset The differential offset compensation is often referred to as offset compensation The differential offset function can compensate a DC voltage applied between the positive and the negative input socket This is particularly helpful if a small single ended signal with a large DC offset is measured with a differential probe for example with the negative input socket connected to ground As the R amp S RT ZD40 measures differential voltages setting a differential offset compensation is directly visible on the oscilloscope screen as a voltage offset of the measured waveform AA AAA se User Manual 1410 5363 02 01 18 R amp S RT ZD40 Putting into Operation Offset Compensation Offset setting O V Offset setting 5 V i 75 10V AMA LU LLLIZILAL A 22 Dynamic A AJ range OVT 19 v ENTE TTD 77 Input Voltage
8. 16 Salvo indicaci n contraria los productos no est n impermeabilizados ver tambi n el cap tulo Estados operativos y posiciones de funcionamiento punto 1 Por eso es necesario tomar las medidas necesarias para evitar la entrada de l quidos En caso contrario existe peligro de choque el ctrico para el usuario o de da os en el producto que tambi n pueden redundar en peligro para las personas 17 No utilice el producto en condiciones en las que pueda producirse o ya se hayan producido condensaciones sobre el producto o en el interior de ste como p ej al desplazarlo de un lugar fr o a otro caliente La entrada de agua aumenta el riesgo de choque el ctrico 18 Antes de la limpieza desconecte por completo el producto de la alimentaci n de tensi n p ej red de alimentaci n o bater a Realice la limpieza de los aparatos con un pa o suave que no se deshilache No utilice bajo ning n concepto productos de limpieza qu micos como alcohol acetona o diluyentes para lacas nitrocelul sicas 1171 0000 52 07 Page 15 nstrucciones de seguridad elementales Funcionamiento 1 El uso del producto requiere instrucciones especiales y una alta concentracion durante el manejo Debe asegurarse que las personas que manejen el producto est n a la altura de los requerimientos necesarios en cuanto a aptitudes f sicas ps quicas y emocionales ya que de otra manera no se pueden excluir lesiones o da os de objetos El empresario
9. Do not insert the plug into sockets that are dusty or dirty Insert the plug firmly and all the way into the socket provided for this purpose Otherwise sparks that result in fire and or injuries may occur 8 Do not overload any sockets extension cords or connector strips doing so can cause fire or electric shocks 9 For measurements in circuits with voltages Vims gt 30 V suitable measures e g appropriate measuring equipment fuse protection current limiting electrical separation insulation should be taken to avoid any hazards 10 Ensure that the connections with information technology equipment e g PCs or other industrial computers comply with the IEC60950 1 EN60950 1 or IEC61010 1 EN 61010 1 standards that apply in each case 11 Unless expressly permitted never remove the cover or any part of the housing while the product is in operation Doing so will expose circuits and components and can lead to injuries fire or damage to the product 12 f a product is to be permanently installed the connection between the protective conductor terminal on site and the product s protective conductor must be made first before any other connection is made The product may be installed and connected only by a licensed electrician 13 For permanently installed equipment without built in fuses circuit breakers or similar protective devices the supply circuit must be fuse protected in such a way that anyone who has access to the product
10. e DC Offset e DC Accuracy Offset The functional check is not suitable for verifying compliance with the probe speci fications since the test results are influenced by the oscilloscope used To verify compliance with the probe specifications it is necessary to run an inde pendent performance test This test is described in detail in the R amp S RT ZD40 service manual The performance test also requires the R amp S RT ZK2 service kit All base unit settings described here refer to an R amp S RTO oscilloscope The use of other oscilloscopes may result in different settings and menus The following test description always refers to channel 1 CH1 as the refer ence channel The test can also be performed on any other channel of the R amp S RTO oscilloscope Test equipment The following list contains the equipment required for the functional check Table 7 1 Required test equipment DC voltage source 5 V floating output Keithley 2420 2601 source meter Digital multimeter DMM 12 V to 12 V Agilent 34401A Accuracy 0 01 of mea sured value AE User Manual 1410 5363 02 01 46 R amp S RT ZD40 Functional Check Initialization BNC to 4 mm dual banana Pomona Model 1269 adapter Two banana leads red black Multi Contact ZG410 Probe accessories 2 mini clips 2 leads 15 cm Socket adapter variable spac ing o Let the probe and oscilloscope warm up at least for 15 minutes prior to the test S
11. i my 1 1 o 200 IB 8 6 o eee gt d l i Ti 2 H x 150 fi o o E R A Oj e 100 L 5 8 E EE DE ri 7 A A A E o fe 0 100 200 300 400 500 600 700 800 900 1000 Time in ps Fig 5 8 Unloaded and loaded input signal and step response for RT ZS30 User Manual 1410 5363 02 01 43 R amp S RT ZD40 Maintenance and Service Service Strategy 6 Maintenance and Service 6 1 Service Strategy Rohde amp Schwarz probes are high precision high performance instruments that extend the limits of today s technological possibilities Like all Rohde amp Schwarz instruments Rohde amp Schwarz probes are of high quality and require only mini mum service and repair However if the probe needs to be serviced contact your Rohde amp Schwarz service center Return a defective probe to the Rohde amp schwarz service center for diagnosis and exchange You can return the R amp S RT ZD40 differential probe for calibration The service personnel will perform the required tests 6 2 Returning the Probe for Servicing Use the original packaging to return your Rohde amp Schwarz probe to your Rohde amp Schwarz service center lf you cannot use the original packaging consider the following 1 Use a sufficiently sized box 2 Protect the probe from damage and
12. 49 Calibration 45 measurement 21 45 DC offset check 48 Connection 16 Differential input voltage 28 31 deniilicatonr a aaa ad d 16 Dynamic range 6 30 Returning 44 F TOD DO arcano 9 Probe Head 8 Functional Check 46 ProbeMeter 6 21 accuracy 49 Probing principles cece ceeeeeeeeeeeees 33 DO ONSET erinan 48 Product description 5 Maza 10060 47 5 Offset compensation 50 Self alignment 47 Self alignment check 47 Test equipment 46 Service gt 44 G TOL T 13 Signal clipping 30 Ground connection 31 Signal integrity b Signal Loading 39 Single ended input voltage 28 Inductance 36 DISD ESPON
13. Time Fig 2 2 Differential offset compensation for a single ended measurement negative input connected to ground using an R amp S RT ZD10 20 30 To set the differential offset compensation on the front panel 1 Press the Vertical Position knob until the Offset setup is shown on the dis play 2 Turn the Vertical Position knob To set the differential offset compensation using the probe menu 1 On the Vertical menu select Probe Setup 2 Select the channel and tap Offset For more details on setting the offset compensation refer to the User Manual of the R amp S oscilloscope Additionally the probe offers automatic offset compensation by means of the micro button A single push on the micro button compensates the DC component of the measurement signal which is particularly helpful during measurements of input signals with different DC offsets see also chapter 2 2 Micro Button on page 18 Ge AAA A User Manual 1410 5363 02 01 19 R amp S RT ZD40 Putting into Operation Offset Compensation To assign Set offset to mean to the micro button b Vertical menu gt Probe Setup gt Ch tab gt Micro button action Set off set to mean 2 3 2 Common Mode Offset Common mode offset compensation is available for R amp S RT ZD probes with serial number 2 200 OOO It can compensate a common DC voltage applied to both input sockets referenced to the ground socket This is particularly helpful for me
14. as solo deben ser sustituidas por el tipo Rohde amp Schwarz correspondiente ver lista de recambios Las bater as y celdas deben reciclarse y no deben tirarse a la basura dom stica Las bater as o acumuladores que contienen plomo mercurio o cadmio deben tratarse como residuos especiales Respete en esta relaci n las normas nacionales de eliminaci n y reciclaje Transporte 1 El producto puede tener un peso elevado Por eso es necesario desplazarlo o transportarlo con precauci n y si es necesario usando un sistema de elevaci n adecuado p ej una carretilla elevadora a fin de evitar lesiones en la espalda u otros da os personales 1171 0000 52 07 Page 18 nstrucciones de seguridad elementales 2 Las asas instaladas en los productos sirven solamente de ayuda para el transporte del producto por personas Por eso no esta permitido utilizar las asas para la sujecion en o sobre medios de transporte como p ej gruas carretillas elevadoras de horquilla carros etc Es responsabilidad suya fijar los productos de manera segura a los medios de transporte o elevaci n Para evitar da os personales o da os en el producto siga las instrucciones de seguridad del fabricante del medio de transporte o elevaci n utilizado Si se utiliza el producto dentro de un veh culo recae de manera exclusiva en el conductor la responsabilidad de conducir el veh culo de manera segura y adecuada El fabricante no asumir ninguna responsa
15. as well as the product itself is adequately protected from injury or damage 14 Use suitable overvoltage protection to ensure that no overvoltage such as that caused by a bolt of lightning can reach the product Otherwise the person operating the product will be exposed to the danger of an electric shock 15 Any object that is not designed to be placed in the openings of the housing must not be used for this purpose Doing so can cause short circuits inside the product and or electric shocks fire or injuries 1171 0000 52 07 Page 5 Basic Safety Instructions 16 Unless specified otherwise products are not liquld proof see also section Operating states and operating positions item 1 Therefore the equlpment must be protected against penetration by liquids If the necessary precautions are not taken the user may suffer electric shock or the product itself may be damaged which can also lead to personal injury 17 Never use the product under conditions in which condensation has formed or can form in or on the product e g if the product has been moved from a cold to a warm environment Penetration by water increases the risk of electric shock 18 Prior to cleaning the product disconnect it completely from the power supply e g AC supply network or battery Use a soft non linting cloth to clean the product Never use chemical cleaning agents such as alcohol acetone or diluents for cellulose lacquers Operation 1 Oper
16. moisture e g with bubble wrap 3 Use some kind of protective material e g crumpled newspaper to stabilize the probe inside the box 4 Seal the box with tape 5 Address the package to your nearest Rohde amp Schwarz service center A EEE Gr Er Ger SE User Manual 1410 5363 02 01 44 R amp S RT ZD40 Maintenance and Service Cleaning 6 3 Cleaning To clean the exterior of the probe use a soft cloth moistened with either distilled water or isopropyl alcohol Before using the probe again make sure to dry it com pletely Instrument damage caused by cleaning agents Cleaning agents contain substances that may damage the instrument for example solvent may damage the labeling or plastic parts Never use cleaning agents such as solvents thinners acetone etc acids bases or other substances 6 4 Calibration Interval The recommended calibration interval for R amp S RT ZD40 differential probe is two years For servicing send the probe to your nearest Rohde amp Schwarz service center see chapter 6 2 Returning the Probe for Servicing on page 44 A Gr Er Ger EE User Manual 1410 5363 02 01 45 R amp S RT ZD40 Functional Check AAA AAN gS AAA AAA E AAA 7 Functional Check The functional check is used to perform a quick check of the most important func tions of the R amp S RT ZD40 differential probe using simple measurement equip ment The following functions are checked e Initialization
17. producto Peligro de descarga electrica No conecte la sonda de voltaje a ninguna tension que supere el valor maximo indicado en la hoja de datos En caso de incumplimiento se corre el riesgo de una descarga el ctrica Tenga cuidado en no ocasionar cortocircuitos a la hora de realizar medidas en fuentes de alta corriente de salida Los cortocircuitos pueden ocasionar lesiones o quemaduras Riesgo de lesiones por objeto puntiagudo Los pines de la sonda de voltaje activa son extremadamente puntiagudos y pueden penetrar facilmente en la ropa y en la piel Por eso se recomienda manipularlos cuidadosamente Por ejemplo si transportan la sonda en un bolsillo o en la bolsa de herramientas utilice permanentemente la caja suministrada con la sonda Para evitar lesiones utilice una pinza o una tenaza a la hora de cambiar un pin de la sonda 1171 3200 12 E Esp 1 Page 2 Customer Support Technical support where and when you need it For quick expert help with any Rohde amp Schwarz equipment contact one of our Customer support Centers A team of highly qualified engineers provides telephone support and will work with you to find a solution to your query on any aspect of the operation programming or applications of Rohde amp Schwarz equipment Up to date information and upgrades To keep your instrument up to date and to be informed about new application notes related to your instrument please send an e mail to the Customer Su
18. que en caso de incendio pueden desprenderse del producto sustancias t xicas gases l quidos etc que pueden generar da os a la salud Por eso en caso de incendio deben usarse medidas adecuadas como p ej m scaras antig s e indumentaria de protecci n 1171 0000 52 07 Page 16 nstrucciones de seguridad elementales 7 Los productos con laser est n provistos de indicaciones de advertencia normalizadas en funci n de la clase de l ser del que se trate Los rayos l ser pueden provocar da os de tipo biol gico a causa de las propiedades de su radiaci n y debido a su concentraci n extrema de potencia electromagn tica En caso de que un producto Rohde amp Schwarz contenga un producto l ser p ej un lector de CD DVD no debe usarse ninguna otra configuraci n o funci n aparte de las descritas en la documentaci n del producto a fin de evitar lesiones p ej debidas a irradiaci n l ser 8 Clases de compatibilidad electromagn tica conforme a EN 55011 CISPR 11 y en analog a con EN 55022 CISPR 22 EN 55032 CISPR 32 Aparato de clase A Aparato adecuado para su uso en todos los entornos excepto en los residenciales y en aquellos conectados directamente a una red de distribuci n de baja tensi n que suministra corriente a edificios residenciales Nota Los aparatos de clase A est n destinados al uso en entornos industriales Estos aparatos pueden causar perturbaciones radioel ctricas en entornos residenciale
19. rea econ mica europea Pueden existir definiciones diferentes a esta definici n en otras reas econ micas o en aplicaciones militares Por eso se deber tener en cuenta que las palabras de se al aqu descritas sean utilizadas siempre solamente en combinaci n con la correspondiente documentaci n del producto y solamente en combinaci n con el producto correspondiente La utilizaci n de las palabras de se al en combinaci n con productos o documentaciones que no les correspondan puede llevar a interpretaciones equivocadas y tener por consecuencia da os en personas u objetos 1171 0000 52 07 Page 12 nstrucciones de seguridad elementales Estados operativos y posiciones de funcionamiento El producto solamente debe ser utilizado seg n lo indicado por el fabricante respecto a los estados operativos y posiciones de funcionamiento sin que se obstruya la ventilacion Si no se siguen las indicaciones del fabricante pueden producirse choques electricos incendios y o lesiones graves con posible consecuencia de muerte En todos los trabajos deberan ser tenidas en cuenta las normas nacionales y locales de seguridad del trabajo y de prevenci n de accidentes 1 Si no se convino de otra manera es para los productos Rohde amp Schwarz valido lo que sigue como posici n de funcionamiento se define por principio la posici n con el suelo de la caja para abajo modo de protecci n IP 2X uso solamente en estancias interiores utilizacion has
20. the base unit For details see chapter 2 2 Micro Button on page 18 R amp S ProbeMeter The R amp S ProbeMeter measures the DC voltage of the input signal directly at the probe tip It provides a continuous high precision DC voltage measurement that is independent of the settings of the oscilloscope and in parallel to the time domain measurement If activated on the base unit the measurement value is displayed on the screen of the R amp S oscilloscope For details see chapter 2 4 R amp S Probe Meter on page 21 The R amp S ProbeMeter records both differential and common mode DC voltages Data memory The probe includes an integrated data memory with individual probe correction parameters e g gain delay offset These correction parameters are read out A AAA E User Manual 1410 5363 02 01 6 R amp S RT ZD40 Product Description Unpacking the Instrument and processed by the R amp S oscilloscope As a result the probe offers a very high degree of accuracy so that additional calibration procedures are not required 1 2 Unpacking the Instrument The carrying case contains the following items R amp S RT ZD40 differential probe Accessory box Accessory vials User manual R amp S RT ZD40 data sheet Calibration certificate Documentation of calibration values if ordered 1 2 1 Inspecting the Contents Inspect the package for damage Keep a damaged package and the cushioning material unt
21. u operador es responsable de seleccionar el personal usuario apto para el manejo del producto Antes de desplazar o transportar el producto lea y tenga en cuenta el cap tulo Transporte Como con todo producto de fabricaci n industrial no puede quedar excluida en general la posibilidad de que se produzcan alergias provocadas por algunos materiales empleados los llamados al rgenos p ej el n quel Si durante el manejo de productos Rohde amp Schwarz se producen reacciones al rgicas como p ej irritaciones cut neas estornudos continuos enrojecimiento de la conjuntiva o dificultades respiratorias debe avisarse inmediatamente a un m dico para investigar las causas y evitar cualquier molestia o da o a la salud Antes de la manipulaci n mec nica y o t rmica o el desmontaje del producto debe tenerse en cuenta imprescindiblemente el cap tulo Eliminaci n protecci n del medio ambiente punto 1 Ciertos productos como p ej las instalaciones de radiocomunicaci n RF pueden a causa de su funci n natural emitir una radiaci n electromagn tica aumentada Deben tomarse todas las medidas necesarias para la protecci n de las mujeres embarazadas Tambi n las personas con marcapasos pueden correr peligro a causa de la radiaci n electromagn tica El empresario operador tiene la obligaci n de evaluar y se alizar las reas de trabajo en las que exista un riesgo elevado de exposici n a radiaciones Tenga en cuenta
22. un aislamiento doble reforzado Distintivo de la UE para bater as y acumuladores M s informaci n en la secci n Eliminaci n protecci n del medio ambiente punto 1 Page 11 nstrucciones de seguridad elementales S mbolo Significado S mbolo Significado Aviso Cuidado en el manejo de Distintivo de la UE para la dispositivos sensibles a la eliminaci n por separado de electrostatica ESD dispositivos electricos y electr nicos Mas informacion en la seccion Eliminacion proteccion del medio ambiente punto 2 Advertencia rayo laser M s informaci n en la secci n Funcionamiento punto 7 Palabras de se al y su significado En la documentaci n del producto se utilizan las siguientes palabras de se al con el fin de advertir contra riesgos y peligros A PELIGRO Indica una situaci n de peligro que si no se evita causa lesiones graves o incluso la muerte Indica una situaci n de peligro que si no se evita puede causar lesiones graves o incluso la muerte Indica una situaci n de peligro que si no se evita puede causar lesiones leves o moderadas Indica informaci n que se considera importante pero no en relaci n con situaciones de peligro p ej avisos sobre posibles da os materiales En la documentaci n del producto se emplea de forma sin nima el t rmino CUIDADO Las palabras de se al corresponden a la definici n habitual para aplicaciones civiles en el
23. window 1 Input Voltage lt Pene pe ene range limit BN a a r a EEE bu 30 V Maximum non destructive input voltage A T me Fig 4 2 Operating voltage window PE A User Manual 1410 5363 02 01 30 R amp S RT ZD40 Characteristics of Differential Probes AAA A A A A RININ m Maximum Non Destructive Input Voltage Signal clipping Only differential input signals are detected by the probe and displayed by the base unit Common mode signals are suppressed by the probe There fore the user does not initially recognize that the operating voltage window is exceeded owing to inadmissible common mode voltages f unexpected clipping occurs check the positive or negative input voltage relative to ground In addition measuring the common mode input voltage using the R amp S Pro beMeter is a convenient way to detect breaches of the operating voltage window owing to excess DC common mode voltages 4 3 Maximum Non Destructive Input Voltage The maximum non destructive input voltage of a differential probe is also speci fied as the maximum voltage between each signal pin and ground Maximum input voltage The maximum input voltage is 30 V between each signal socket and the ground socket A higher input voltage may destroy the probe The maximum input voltage is derated for higher frequencies Refer to the R amp S RT Z data sheet for further information 4 4 Ground Connection It is typical
24. D40 Connecting the Probe to the DUT Browser adapter rigid and spring loaded The browser adapter allows handheld probing with maximum convenience Because it com pensates for minor unevenness and move ments it can establish a firm contact to the test point Distance range 0 mm to 6 mm 0 mil to 240 mil Leads and clips Short and long lead The lead provides a flexible connection to the DUT It is plugged onto a pin on the DUT and can be used to connect either the signal sockets or the ground socket In addition it allows micro and mini clips to be connected to the probe Length Short lead 6 mm 236 mil Long lead 15 mm 591 mil User Manual 1410 5363 02 01 25 R amp S RT ZD40 Mini clip User Manual 1410 5363 02 01 Connecting the Probe to the DUT The mini clip is designed for probing large IC pins wires and through hole components The mini clip is connected to the ground socket using a lead or it is connected to the signal sockets using the socket adapter and a lead 26 R amp S RT ZD40 Micro clip User Manual 1410 5363 02 01 Connecting the Probe to the DUT The micro clip is designed for probing IC pins and thin wires in fine pitch applications The micro clip is connected to the ground socket using a lead or it is connected to the signal sockets using the socket adapter directly or using a lead 27 R amp S RT ZD40 Characteristics of Differential Prob
25. E 36 Initialization check 47 T Input capacitance 6 Input resistance 6 Test equipment for functional check 46 Input voltages 28 U 7 User Manual 1410 5363 02 01 51 Using accessories aE 24 Browser adapter 25 O as a a 25 27 Mini clip 26 AE rn 23
26. Micro clip This set contains micro clips Table 1 4 R amp S RT ZA6 Lead Set Table 1 2 R amp S RT ZA4 Mini Clips Lead 6 cm 2 4 in 5 This set contains short and Lead 15 cm 5 9 in 5 long leads User Manual 1410 5363 02 01 12 R amp S RT ZD40 Product Description Accessories and Items Table 1 5 R amp S RT ZA8 Differential Pin Set Signal pin solder in 100 This set contains the pins socket adapter variable spacing Browser adapter rigid Browser adapter spring loaded available for the R amp S RT ZD40 The adapter can be used to connect the R amp S RT ZD40 differential probe to any other oscilloscope or any other measurement instrument e g a network or spectrum analyzer Using the USB interface of the adapter the probe can be powered and controlled from any conven tional PC 1 4 3 Service Accessories The following accessories are optionally available for servicing the probe Table 1 7 R amp S RT ZK2 Service Kit The R amp S RT ZK2 Service Kit is used for calibrating the R amp S RT ZD40 differential probe for making per formance tests and for servicing The service kit includes all adapters and accessories to connect the probe to the required measuring instruments The R amp S RT ZD40 Service Manual is included in the service kit CD ROM The Service Manual contains a detailed description of the performance test for verifying the probe spec ifications All service acces
27. RSSPRT ZD40 Active Differential Probe User Manual 1410 5363 02 01 Test amp Measurement User Manual This User Manual describes the following R amp S RT ZD models and options R amp SYRT ZD40 1410 5205 02 The firmware of the instrument makes use of several valuable open source software packages The most important of them are listed below together with their corresponding open source license Atmel http www atmel com dyn products tools card asp tool id 4092 BOOST Library http www boost org Boost Software v 1 Rohde amp Schwarz would like to thank the open source community for their valuable contribution to embed ded computing 2013 Rohde amp Schwarz GmbH amp Co KG Muhldorfstr 15 81671 Munchen Germany Phone 49 89 41 29 Fax 49 89 41 29 12 164 E mail info rohde schwarz com Internet www rohde schwarz com Subject to change Data without tolerance limits is not binding R amp S is a registered trademark of Rohde amp Schwarz GmbH amp Co KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R amp S RT ZD40 is abbreviated as R amp S RT 2040 R amp S ProbeMeter is abbreviated as R amp S ProbeMeter R amp S RTO is abbreviated as R amp S RTO Basic Safety nstructions Always read through and comply with the following safety instructions All plants and locations of the Rohde amp Schwarz group of companies make e
28. al protection visit the Rohde amp Schwarz website 1171 0000 52 07 Page 9 nstrucciones de seguridad elementales Instrucciones de seguridad elementales iEs imprescindible leer y cumplir las siguientes instrucciones e informaciones de seguridad El principio del grupo de empresas Rohde amp Schwarz consiste en tener nuestros productos siempre al dia con los estandares de seguridad y de ofrecer a nuestros clientes el maximo grado de seguridad Nuestros productos y todos los equipos adicionales son siempre fabricados y examinados segun las normas de seguridad vigentes Nuestro sistema de garantia de calidad controla constantemente que sean cumplidas estas normas El presente producto ha sido fabricado y examinado segun el certificado de conformidad de la UE y ha salido de nuestra planta en estado impecable segun los estandares tecnicos de seguridad Para poder preservar este estado y garantizar un funcionamiento libre de peligros el usuario debera atenerse a todas las indicaciones informaciones de seguridad y notas de alerta El grupo de empresas Rohde amp Schwarz esta siempre a su disposici n en caso de que tengan preguntas referentes a estas informaciones de seguridad Ademas queda en la responsabilidad del usuario utilizar el producto en la forma debida Este producto esta destinado exclusivamente al uso en la industria y el laboratorio o si ha sido expresamente autorizado para aplicaciones de campo y de ninguna manera debera s
29. asurements on differential signals with high common mode levels for example current measurements using a shunt resistor CM offset setting 22 V CAME 2 20 422 CM offset setting 0 V 30 V Signal 25 V clipping gt 7 m S 4 20V o 15V O 5 9 5V 775 A A Voltage Y 4 VVN N os Window N_ NJ Neg input V NS 8 V 5V d si SSN Time Fig 2 3 Common mode CM offset compensation for a differential measurement If the input signals fit into the operating voltage window of the R amp S RT ZD40 it is not necessary to set a common mode offset compensation Hun AAA User Manual 1410 5363 02 01 20 R amp S RT ZD40 Putting into Operation R amp S ProbeMeter The R amp S RT ZD40 measures only differential input signals Common mode signals are suppressed by the probe Therefore the common mode offset compensation is not directly visible on the oscilloscope screen see also chapter 4 2 Dynamic Range and Operating Voltage Window on page 30 An incorrect common mode offset compensation can lead to unwanted clipping effects Measuring the common mode input voltage using the R amp S ProbeMeter is a convenient way to detect breaches of the operating voltage window To set the common mode offset compensation using the probe menu 1 On the Vertical menu select Probe Setup 2 Select the channel and tap CM offset 2 4 R amp S ProbeMeter The integrated v
30. at deviate from the standard definition may also exist in other economic areas or military applications It is therefore essential to make sure that the signal words described here are always used only in connection with the related product documentation and the related product The use of signal words in connection with unrelated products or documentation can result in misinterpretation and in personal injury or material damage Operating states and operating positions The product may be operated only under the operating conditions and in the positions specified by the manufacturer without the product s ventilation being obstructed f the manufacturer s specifications are not observed this can result in electric shock fire and or serious personal injury or death Applicable local or national safety regulations and rules for the prevention of accidents must be observed in all work performed 1 Unless otherwise specified the following requirements apply to Rohde 6 Schwarz products predefined operating position is always with the housing floor facing down IP protection 2X use only indoors max operating altitude 2000 m above sea level max transport altitude 4500 m above sea level A tolerance of 10 shall apply to the nominal voltage and 5 to the nominal frequency overvoltage category 2 pollution severity 2 1171 0000 52 07 Page 3 Basic Safety Instructions Do not place the product on surfaces vehicles cabinets or tab
31. ating the products requires special training and intense concentration Make sure that persons who use the products are physically mentally and emotionally fit enough to do so otherwise injuries or material damage may occur It is the responsibility of the employer operator to select suitable personnel for operating the products 2 Before you move or transport the product read and observe the section titled Transport 3 As with all industrially manufactured goods the use of substances that induce an allergic reaction allergens such as nickel cannot be generally excluded If you develop an allergic reaction Such as a skin rash frequent sneezing red eyes or respiratory difficulties when using a Rohde amp Schwarz product consult a physician immediately to determine the cause and to prevent health problems or stress 4 Before you start processing the product mechanically and or thermally or before you take it apart be sure to read and pay special attention to the section titled Waste disposal Environmental protection item 1 5 Depending on the function certain products such as RF radio equipment can produce an elevated level of electromagnetic radiation Considering that unborn babies require increased protection pregnant women must be protected by appropriate measures Persons with pacemakers may also be exposed to risks from electromagnetic radiation The employer operator must evaluate workplaces where there is a special
32. bilidad por accidentes o colisiones No utilice nunca el producto dentro de un veh culo en movimiento si esto pudiera distraer al conductor Asegure el producto dentro del veh culo debidamente para evitar en caso de un accidente lesiones u otra clase de da os Eliminaci n protecci n del medio ambiente 1 Los dispositivos marcados contienen una bater a o un acumulador que no se debe desechar con los residuos dom sticos sin clasificar sino que debe ser recogido por separado La eliminaci n se debe efectuar exclusivamente a trav s de un punto de recogida apropiado o del servicio de atenci n al cliente de Rohde amp Schwarz Los dispositivos el ctricos usados no se deben desechar con los residuos dom sticos sin clasificar sino que deben ser recogidos por separado Rohde amp Schwarz GmbH amp Co KG ha elaborado un concepto de eliminaci n de residuos y asume plenamente los deberes de recogida y eliminaci n para los fabricantes dentro de la UE Para desechar el producto de manera respetuosa con el medio ambiente dir jase a su servicio de atenci n al cliente de Rohde amp Schwarz Si se trabaja de manera mec nica y o t rmica cualquier producto o componente m s all del funcionamiento previsto pueden liberarse sustancias peligrosas polvos con contenido de metales pesados como p ej plomo berilio o n quel Por eso el producto solo debe ser desmontado por personal especializado con formaci n adecuada Un desmontaje i
33. e R amp S ProbeMeter and the micro button the R amp S RT ZD40 is designed to meet tomorrow s challenges in probing Since the probe is equipped with Rohde amp Schwarz probe interface it can be connected to any Rohde amp Schwarz base unit that is compatible with this inter face When connected to the front panel of an R amp S oscilloscope the probe is controlled via the software menus of the oscilloscope Using a specially developed adapter see chapter 1 4 2 Optional Accessories on page 12 the probe can be connected to any other base unit 1 1 1 Key Characteristics The key characteristics of the probe are the following a as lear AAA User Manual 1410 5363 02 01 5 R amp S RT ZD40 Product Description AAA a Key Features and Key Characteristics Bandwidth DC to 4 5 GHz Dynamic range 5 V with 5 V offset capability differential input 10 V AC Vpp Operating voltage window 8 V with 22 V common mode offset capability each pin to GND available for R amp S RT ZD40 probes with serial number 200000 Diff input capacitance 0 4 pF Extremely low zero and gain errors throughout the entire temperature range no significant tem perature drift Micro button Rohde amp Schwarz probe interface 1 1 2 Key Features Micro button The micro button is located at the probe head The micro button can be config ured via the base unit By pressing it the user can remotely control different func tions on
34. e ground socket e Forcommon mode input signals the input impedance is the impedance between the parallel connection of the positive and negative signal sockets and the ground socket The equivalent circuit diagram in figure 5 1 can be used to determine the associ ated input impedance The table 5 3 provides as an example the DC input resist ance for several input signals Table 5 3 DC Input Resistance for Various Input Signals Type of input signal Differential Single ended Input Resistance 500 kO 250 kQ This table shows that common mode signals suffer the highest loading This char acteristic of all differential probes is particularly bothersome because common mode signals frequently have a very high source resistance e g 10 kO for con ventional fail safe circuits While the input resistance achieved for common mode voltages with the R amp S RT ZD40 differential probe remains sufficiently high probes with lower input resistances can lead to unfavorable loading effects 5 3 Probing Philosophy The previous sections made clear that probes exert a load on the signal to be measured and change its characteristic The signal at the test point where the probe makes contact Vn is therefore different from the signal that was present before the probe was connected Vs This effect cannot be avoided and occurs with all real probes independent of type and manufacturer B ca AAA a ET User Manual 1410 5363 02 01 42 Meas
35. e siguen de modo insuficiente las indicaciones en cuanto a las bater as y acumuladores o celdas pueden producirse explosiones incendios y o lesiones graves con posible consecuencia de muerte El manejo de bater as y acumuladores con electrolitos alcalinos p ej celdas de litio debe seguir el est ndar EN 62133 1 2 No deben desmontarse abrirse ni triturarse las celdas Las celdas o bater as no deben someterse a calor ni fuego Debe evitarse el almacenamiento a la luz directa del sol Las celdas y bater as deben mantenerse limpias y secas Limpiar las conexiones sucias con un pa o seco y limpio Las celdas o bater as no deben cortocircuitarse Es peligroso almacenar las celdas o bater as en estuches o cajones en cuyo interior puedan cortocircuitarse por contacto rec proco o por contacto con otros materiales conductores No deben extraerse las celdas o bater as de sus embalajes originales hasta el momento en que vayan a utilizarse Las celdas o bater as no deben someterse a impactos mec nicos fuertes indebidos En caso de falta de estanqueidad de una celda el l quido vertido no debe entrar en contacto con la piel ni los ojos Si se produce contacto lavar con agua abundante la zona afectada y avisar a un m dico En caso de cambio o recarga inadecuados las celdas o bater as que contienen electrolitos alcalinos p ej las celdas de litio pueden explotar Para garantizar la seguridad del producto las celdas o bater
36. elf alignment Prior to the functional check a self alignment of the R amp S RTO oscilloscope must be carried out Proceed as follows Test setup R amp S RTO oscilloscope R amp S RTO settings PRESET e File menu gt Selfalignment gt Control tab gt Start Alignment After a successful self alignment the label UNCAL is no longer dis played 7 1 Initialization The correct initialization of the probe by the oscilloscope has to be checked Test setup Probe connected to CH1 of the R amp S RTO oscilloscope R amp S RTO settings Vertical menu gt Probe Setup gt Ch1 tab Measurement If initialization is correct the following values are displayed on the Setup tab of the Probes dialog box for the R amp S RT ZD40 Type active differential Name R amp S RT ZD40 Probe attenuation 10 1 Bandwidth 4 5 GHz A A r User Manual 1410 5363 02 01 47 R amp S RT ZD40 Functional Check DC Offset 7 2 Offset The zero error of the probe oscilloscope system and the zero error of the R amp S ProbeMeter are checked uvas Se MOMO OOO Y Ye an A HW T JRO IEE 0 08 0000000 Test setup Probe connected to CH1 of the R amp S RTO oscilloscope Signal and ground terminal of the probe shortened by mini clip using leads and socket adapter Make sure that there is no other ground connection R amp S RTO settings Horizontal scale 10 us div Vertical scale 10 mV div Trigge
37. er utilizado de modo que alguna persona cosa pueda sufrir dano El uso del producto fuera de sus fines definidos o sin tener en cuenta las instrucciones del fabricante queda en la responsabilidad del usuario El fabricante no se hace en ninguna forma responsable de consecuencias a causa del mal uso del producto Se parte del uso correcto del producto para los fines definidos si el producto es utilizado conforme a las indicaciones de la correspondiente documentacion del producto y dentro del margen de rendimiento definido ver hoja de datos documentacion informaciones de seguridad que siguen El uso del producto hace necesarios conocimientos tecnicos y ciertos conocimientos del idioma ingles Por eso se debe tener en cuenta que el producto solo pueda ser operado por personal especializado o personas instruidas en profundidad con las capacidades correspondientes Si fuera necesaria indumentaria de seguridad para el uso de productos de Rohde amp Schwarz encontraria la informacion debida en la documentacion del producto en el capitulo correspondiente Guarde bien las informaciones de seguridad elementales asi como la documentacion del producto y entreguelas a usuarios posteriores 1171 0000 52 07 Page 10 nstrucciones de seguridad elementales Tener en cuenta las informaciones de seguridad sirve para evitar en lo posible lesiones o danos por peligros de toda clase Por eso es imprescindible leer detalladamente y comprender por completo las s
38. es AAN 4 Characteristics of Differential Probes A differential probe has three sockets the positive signal socket the negative signal socket and the ground socket Fig 4 1 Input voltages on a differential probe Multiple input voltages can be defined for a differential probe e Differential mode input voltage Vin Vam Voltage between the positive and negative signal sockets Positive single ended input voltage V Voltage between the positive signal socket and the ground socket Negative single ended input voltage Vn Voltage between the negative signal socket and the ground socket e Common mode input voltage Vem Mean voltage of positive and negative signal sockets referred to the ground socket respectively Two of these voltages are independent values the other two can be calculated Vin V V V Vp Vn cm 2 Typically the differential and the common mode input voltages are used to describe the behavior of a differential probe Ha a AAA ee User Manual 1410 5363 02 01 28 R amp S RT ZD40 Characteristics of Differential Probes ca AAA A AAA SS Common Mode Rejection Ratio CMRR The output voltage V which is displayed on the base unit is generally obtained by superimposing the voltages generated from the differential mode input voltage and from the common mode input voltage Von A Vp vdm in vem cm In this equation Ayan IS the amplification of the differential mode inp
39. iguientes informaciones de seguridad antes de usar el producto y respetarlas durante el uso del producto Deberan tenerse en cuenta todas las demas informaciones de seguridad como p ej las referentes a la protecci n de personas que encontrar n en el capitulo correspondiente de la documentaci n del producto y que tambi n son de obligado cumplimiento En las presentes informaciones de seguridad se recogen todos los objetos que distribuye el grupo de empresas Rohde amp Schwarz bajo la denominaci n de producto entre ellos tambi n aparatos instalaciones as como toda clase de accesorios Los datos espec ficos del producto figuran en la hoja de datos y en la documentaci n del producto Se alizaci n de seguridad de los productos Las siguientes se ales de seguridad se utilizan en los productos para advertir sobre riesgos y peligros S mbolo Significado S mbolo Significado Aviso punto de peligro general Observar la documentaci n del producto Atenci n en el manejo de dispositivos de peso elevado Peligro de choque el ctrico Advertencia superficie caliente Conexi n a conductor de protecci n L Conexi n a tierra L Conexi n a masa 1171 0000 52 07 Tensi n de alimentaci n de PUESTA EN MARCHA PARADA Indicaci n de estado de espera standby Corriente continua DC Corriente alterna AC Corriente continua Corriente alterna DC AC El aparato est protegido en su totalidad por
40. il the contents have been checked for completeness and the instrument has been tested If the packaging material shows any signs of stress notify the carrier as well as your Rohde amp Schwarz service center Keep the package and cushioning material for inspection Inspect the probe If there is any damage or defect or if the R amp S RT ZD40 differential probe does not operate properly notify your Rohde amp Schwarz service center Inspect the accessories If the contents are incomplete or damaged notify your Rohde amp Schwarz ser vice center Accessories supplied with the instrument are listed in chapter 1 4 1 Accesso ries Supplied on page 11 AA a Pr NE User Manual 1410 5363 02 01 7 R amp S RT ZD40 Product Description Description of the Probe 1 3 Description of the Probe The probe consists of the probe head for connection to the DUT the probe box for connection to the oscilloscope and the probe cable 1 3 1 Probe Head The small and lightweight probe head is designed for easy handling and high per formance measurements The probe head is used for connecting the probe and the DUT Different accessories for the signal and ground sockets allow the probe head to be connected to a wide range of DUTs 1 Positive signal socket 2 Negative signal socket 3 Ground socket 4 Micro button The accessories supplied for the probe head sockets are listed in chapter 1 4 1 Accesso ries Supplied o
41. ill be within the bandwidth for a high signal integrity Determines the minimum measurable signal rise time The rise time ts of the probe is inversely proportional to its bandwidth The following approximation applies A A Ae User Manual 1410 5363 02 01 35 R amp S RT ZD40 Measurement Principles Signal Integrity of the Transferred Signal 0 4 hse BW The figure 5 3 shows a typical step response of an R amp S RT ZD40 differential probe In addition to bandwidth a constant amplitude frequency response of the probe is decisive for high signal integrity The figure 5 2 shows the typical amplitude fre quency response of an R amp S RT ZD40 differential probe All frequency compo nents are transferred with the same gain so that the input signal is displayed with out distortion norm output voltage in V 0 100 200 300 400 500 600 700 800 900 1000 Time in ps Fig 5 3 Step response of the R amp S RT ZD40 5 1 2 Connection Inductance The connection inductance L is caused by connecting the probe to the DUT In contrast to the probe specific bandwidth the connection inductance mainly depends on the type of connection that the user selects The connection inductance e Increases with the length of the connection and the size of the resulting loop area A See figure 5 4 e Reduces the usable bandwidth and causes ringing with signals having a short rise time due a series resonance with the input capacitance
42. ing Philosophy anrrnnvnnvnnnvnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnennnnnne 42 6 Maintenance and Service 44 6 1 Service Ud b b m 44 6 2 Returning the Probe for Servicindg 44 0 GEN 45 6 4 Calibration 2 52 45 FUNcuUOnal COCK purre 46 7 14 INNEN NON Ra 47 1 2 UL Unu a Di 48 To IDO UF a caer 49 7 4 Offset 5 2 52 aa 50 o ii NE 51 A AAA e User Manual 1410 5363 02 01 4 R amp S RT ZD40 Product Description Key Features and Key Characteristics 1 Product Description 1 1 Key Features and Key Characteristics The R amp S RT ZD40 is a differential probe with high input impedance It allows the user to make differential voltage measurements from DC to 4 5 GHz Differential probes can be used for single ended and differential applications Because differential probes are equipped with two high impedance inputs they measure the voltage between any two test points Unlike with single ended probes the user does not have to ensure that one of the test points is always at ground potential The comprehensive accessory set allows this probe to be connected to a wide variety of devices under test DUT Provided with special features such as th
43. les that for reasons of weight or stability are unsuitable for this purpose Always follow the manufacturer s installation instructions when installing the product and fastening it to objects or structures e g walls and shelves An installation that is not carried out as described in the product documentation could result in personal injury or even death Do not place the product on heat generating devices such as radiators or fan heaters The ambient temperature must not exceed the maximum temperature specified in the product documentation or in the data sheet Product overheating can cause electric shock fire and or serious personal injury or even death Electrical safety If the information on electrical safety is not observed either at all or to the extent necessary electric shock fire and or serious personal injury or death may occur 1 Prior to switching on the product always ensure that the nominal voltage setting on the product matches the nominal voltage of the AC supply network If a different voltage is to be set the power fuse of the product may have to be changed accordingly In the case of products of safety class with movable power cord and connector operation is permitted only on sockets with a protective conductor contact and protective conductor Intentionally breaking the protective conductor either in the feed line or in the product itself is not permitted Doing so can result in the danger of a
44. ly not necessary to connect the ground socket of the probe to the ground of the DUT as long as the DUT itself is grounded If the ground of the DUT is floating such as in the case of battery operation high static potentials between the DUT ground and the probe ground can result in the operating volt A AAA ES User Manual 1410 5363 02 01 31 R amp S RT ZD40 Characteristics of Differential Probes a Y AAA AA AAA AAA AAA AA APA AAA A Se Ground Connection age window of the probe being exceeded n this case the probe ground should be connected to the DUT ground The ground connection can also affect the CMRR of the probe Problems with unwanted common mode signals can often be improved by adding a ground con nection A A a UuuuuUuuuu UN User Manual 1410 5363 02 01 32 R amp S RT ZD40 Measurement Principles D Measurement Principles The R amp S RT ZD40 differential probe provides an electrical connection between the DUT and the oscilloscope The probe transfers the voltage of the electrical signal tapped off the DUT to the oscilloscope where it is displayed graphically Although a probe has a wide variety of specifications these specifications can be grouped into two classes of basic requirements High signal integrity of the transferred signal With an ideal probe the output signal that is transferred to the base unit would be identical to the input signal between the probe tips and signal integrity w
45. mp Schwarz interface Do not connect the probe to a commercially available BNC jack as this can cause irreparable damage to the interface From the outside the 7 mm coaxial connector looks like a standard BNC connector However it is constructed differently and is capable of a signifi cantly higher frequency limit A EEE Gr Er Gre EE User Manual 1410 5363 02 01 9 R amp S RT ZD40 Product Description Accessories and Items 1 4 Accessories and items The figure below shows all accessories that are available for the R amp S RT ZD40 differential probe marker band kit mini clip micro clip Fig 1 1 Available accessories Ha a AAA ZN RuN User Manual 1410 5363 02 01 10 R amp S RT ZD40 Product Description Accessories and Items 1 4 1 Accessories Supplied The following table shows the accessories supplied with the R amp S RT ZD40 differ ential probe Table 1 1 Accessories supplied Signal pin solder in Socket adapter variable spacing Browser adapter spring loaded IE NOS A A A User Manual 1410 5363 02 01 11 R amp S RT ZD40 Product Description Accessories and Items Micro clip Marker band kit Carrying case with foam inlay 1 4 2 Optional Accessories If the included accessories do not meet individual customer requirements Rohde amp Schwarz offers different accessory sets for sale Mini clip This set contains mini clips Table 1 3 R amp S RT ZA5 Micro Clips
46. n electric shock from the product If extension cords or connector strips are implemented they must be checked on a regular basis to ensure that they are safe to use If there is no power switch for disconnecting the product from the AC supply network or if the power switch is not suitable for this purpose use the plug of the connecting cable to disconnect the product from the AC supply network In such cases always ensure that the power plug is easily reachable and accessible at all times For example if the power plug is the disconnecting device the length of the connecting cable must not exceed 3 m Functional or electronic switches are not suitable for providing disconnection from the AC supply network If products without power switches are integrated into racks or systems the disconnecting device must be provided at the system level 1171 0000 52 07 Page 4 Basic Safety Instructions 5 Never use the product if the povver cable is damaged Check the povver cables on a regular basis to ensure that they are in proper operating condition By taking appropriate safety measures and carefully laying the power cable ensure that the cable cannot be damaged and that no one can be hurt by for example tripping over the cable or suffering an electric shock 6 The product may be operated only from TN TT supply networks fuse protected with max 16 A higher fuse only after consulting with the Rohde amp Schwarz group of companies 7
47. n la de la red de alimentaci n el ctrica Si es necesario modificar el ajuste de tensi n tambi n se deber n cambiar en caso dado los fusibles correspondientes del producto 1171 0000 52 07 Page 13 nstrucciones de seguridad elementales Los productos de la clase de protecci n 1 con alimentaci n m vil y enchufe individual solamente podran enchufarse a tomas de corriente con contacto de seguridad y con conductor de proteccion conectado Queda prohibida la interrupcion intencionada del conductor de proteccion tanto en la toma de corriente como en el mismo producto La interrupcion puede tener como consecuencia el riesgo de que el producto sea fuente de choques electricos Si se utilizan cables alargadores o regletas de enchufe debera garantizarse la realizacion de un examen regular de los mismos en cuanto a su estado tecnico de seguridad Si el producto no esta equipado con un interruptor para desconectarlo de la red o bien si el interruptor existente no resulta apropiado para la desconexion de la red el enchufe del cable de conexion se debera considerar como un dispositivo de desconexion El dispositivo de desconexion se debe poder alcanzar facilmente y debe estar siempre bien accesible Si p ej el enchufe de conexion a la red es el dispositivo de desconexion la longitud del cable de conexi n no debe superar 3m Los interruptores selectores o electronicos no son aptos para el corte de la red electrica Si se integran prod
48. n page 11 The ground socket is compatible with 0 64 mm 25 mil square pins and 0 6 mm to 0 8 mm 24 mil to 35 mil round pins The signal sockets have a spacing of 4 mm 160 mil Special accessories for signal sockets The signal sockets of R amp S RT ZD40 have a special design to ensure opti mal performance The signal sockets are not compatible to standard acces sories based on 0 64 mm 25 mil square pins or 0 8 mm 35 mil round pins Use only special accessories for R amp S RT ZD40 provided by Rohde amp Schwarz User Manual 1410 5363 02 01 R amp S RT ZD40 Product Description Description of the Probe 1 3 2 Probe Box The probe box connects the probe and the oscilloscope via the Rohde amp Schwarz probe interface The Rohde amp Schwarz probe interface contains a male precision 7 mm 276 mil BNC connector and six pogo pin connectors This interface pro vides the required supply voltage and is also used for simultaneously transmitting analog signals and digital data All the analog voltages required by the probe are generated in the probe box This approach ensures that it will be possible to oper ate future probes on any base unit that features a Rohde amp Schwarz probe inter face 1 Rohde amp Schwarz probe interface with 7 mm 276 mil coaxial connector and 6 pogo pins 2 Release knob Risk of interface damage Make sure to connect the probe only to a base unit or an adapter having a Rohde a
49. nadecuado puede ocasionar da os para la salud Se deben tener en cuenta las directivas nacionales referentes a la eliminaci n de residuos 1171 0000 52 07 Page 19 nstrucciones de seguridad elementales 4 En caso de que durante el trato del producto se formen sustancias peligrosas o combustibles que deban tratarse como residuos especiales p ej refrigerantes o aceites de motor con intervalos de cambio definidos deben tenerse en cuenta las indicaciones de seguridad del fabricante de dichas sustancias y las normas regionales de eliminacion de residuos Tenga en cuenta tambien en caso necesario las indicaciones de seguridad especiales contenidas en la documentacion del producto La eliminacion incorrecta de sustancias peligrosas o combustibles puede causar danos a la salud o danos al medio ambiente Se puede encontrar mas informacion sobre la protecci n del medio ambiente en la pagina web de Rohde amp Schwarz 1171 0000 52 07 Page 20 Safety Instructions for Active Voltage Probes When handling active voltage probes the following basic rules must be observed Prior to using an active voltage probe read the applicable manual including the safety instructions Keep the safety instructions and the product documentation in a safe place and pass them on to other users Use active voltage probes exclusively within the measurement ranges specified in the applicable data sheets Rohde amp Schwarz accepts no responsibility for misuse
50. nal Loading of the Input Signal 5 2 1 Signal Loading for Differential Input Signals The figure 5 1 presents an equivalent circuit model of an R amp S RT ZD40 differen tial probe The differential input impedance of the probe is equal to the impedance between its positive and the negative signal socket The resulting input impedance versus frequency is indicated in figure 5 6 10E6 Impedance in Ohm 10E3 100E3 1E6 10E6 100E6 1E9 10E9 Frequency in Hz Fig 5 6 Magnitude of the differential input impedance of the R amp S RT ZD40 probe as a function of frequency The differential input impedance varies greatly versus the frequency and is defined by the following values Differential input resistance Ru 2 R Differential input capacitance Cum C C gt 2 Differential RF resistance Raf 2 R 5 2 1 1 Input Resistance Run The input resistance determines the loading of the DUT at DC and very low fre quencies lt 100 kHz A low input resistance can potentially disturb measure ments of high frequency signals as it influences the DC operating point of active components This effect is negligible for the majority of applications involving the R amp S RT ZD40 probe due to the very high input resistance of the probe 1 MQ A Gr Gr Es ee User Manual 1410 5363 02 01 40 R amp S RT ZD40 Measurement Principles Signal Loading of the Input Signal 5 2 1 2 Input Capacitance Cqm The input capacitance C
51. ngers Caution when handling heavy equipment Ground Ol Device fully protected by double reinforced insulation Ground terminal EU labeling for batteries and accumulators For additional information see section VVaste disposal Environmental protection item 1 Be careful when handling EU labeling for separate collection electrostatic sensitive devices N r of electrical and electronic devices For additonal information see section Waste disposal Environmental protection item 2 Warning Laser radiation For additional information see section Operation item 7 1171 0000 52 07 Page 2 Basic Safety Instructions Signal vvords and their meaning The following signal words are used in the product documentation in order to vvarn the reader about risks and dangers A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if not avoided could result in minor or moderate injury Indicates information considered important but not hazard NOTICE related e g messages relating to property damage In the product documentation the word ATTENTION is used synonymously These signal words are in accordance with the standard definition for civil applications in the European Economic Area Definitions th
52. of the product Use only the accessories supplied with the active voltage probe Risk of electric shock Do not connect an active voltage probe to any voltage that exceeds the maximum permissible input voltage specified in the data sheet Non compliance with this instruction carries the risk of an electric shock Make sure not to cause any short circuits when performing measurements on sources with high output currents Short circuits may cause injuries or burns Risk of injury caused by pointed object The pins of the active voltage probes are extremely pointed and can easily penetrate clothes and the skin Therefore handle the probe pins with great care When transporting an active voltage probe e g when carrying it in a pocket or tool bag always use the box supplied with the probe To exchange a probe pin use tweezers or pliers to avoid injuries 1171 3200 12 E Esp 1 Page 1 nformaciones de seguridad para el uso de sondas de voltaje activas A la hora de manejar una sonda de voltaje activa es necesario seguir las siguientes instrucciones de uso basicas Lea primero el manual de manejo correspondiente incluyendo las instrucciones de seguridad Guarde las instrucciones de seguridad y la documentacion de producto en un lugar seguro y paselas a otros usuarios Utilice la sonda de voltaje solamente en el rango de medida indicado en la hoja de datos Rohde amp Schwarz no asume ninguna responsabilidad en el caso del uso inadecuado del
53. oint or via a Rohde amp Schwarz customer service center Waste electrical and electronic equipment must not be disposed of with unsorted municipal waste but must be collected separately Rohde amp Schwarz GmbH amp Co KG has developed a disposal concept and takes full responsibility for take back obligations and disposal obligations for manufacturers within the EU Contact your Rohde amp Schwarz customer service center for environmentally responsible disposal of the product If products or their components are mechanically and or thermally processed in a manner that goes beyond their intended use hazardous substances heavy metal dust such as lead beryllium nickel may be released For this reason the product may only be disassembled by specially trained personnel Improper disassembly may be hazardous to your health National waste disposal regulations must be observed If handling the product releases hazardous substances or fuels that must be disposed of in a special way e g coolants or engine oils that must be replenished regularly the safety instructions of the manufacturer of the hazardous substances or fuels and the applicable regional waste disposal regulations must be observed Also observe the relevant safety instructions in the product documentation The improper disposal of hazardous substances or fuels can cause health problems and lead to environmental damage For additional information about environment
54. oltmeter can measure DC voltages with very high precision com pared to the oscilloscope s DC accuracy The DC measurement is performed continuously and in parallel to the time domain measurement of the oscilloscope High precision measurements are achieved through immediate digitization of the measured DC voltage inside the probe The R amp S ProbeMeter measures the differential and common mode DC voltages simultaneously and without reconnecting the probe For a definition of differential and common mode input voltages see chapter 4 Characteristics of Differential Probes on page 28 To activate the R amp S ProbeMeter Vertical gt Probe Setup gt Ch gt R amp S ProbeMeter on After the R amp S ProbeMeter has been activated the measured values are dis played on the screen of the oscilloscope Advantages of the R S ProbeMeter e Enables the user to check DC voltages with different levels without having to adjust the measurement range of the oscilloscope A User Manual 1410 5363 02 01 21 R amp S RT ZD40 Putting into Operation R amp S ProbeMeter Provides a simple means of setting the oscilloscope s trigger level and vertical scaling if a waveform is not visible e Offers a unique way to detect unexpected or inadmissible common mode vol tages e g bias points measurement of common mode DC voltages without reconnecting the probe e Independent of oscillo
55. omo un PC o un ordenador industrial debe comprobarse que stos cumplan los est ndares IEC60950 1 EN60950 1 o IEC61010 1 EN 61010 1 v lidos en cada caso 11 A menos que est permitido expresamente no retire nunca la tapa ni componentes de la carcasa mientras el producto est en servicio Esto pone a descubierto los cables y componentes el ctricos y puede causar lesiones fuego o da os en el producto 12 Si un producto se instala en un lugar fijo se deber primero conectar el conductor de protecci n fijo con el conductor de protecci n del producto antes de hacer cualquier otra conexi n La instalaci n y la conexi n deber n ser efectuadas por un electricista especializado 13 En el caso de dispositivos fijos que no est n provistos de fusibles interruptor autom tico ni otros mecanismos de seguridad similares el circuito de alimentaci n debe estar protegido de modo que todas las personas que puedan acceder al producto as como el producto mismo est n a salvo de posibles da os 14 Todo producto debe estar protegido contra sobretensi n debida p ej a una ca da del rayo mediante los correspondientes sistemas de protecci n Si no el personal que lo utilice quedar expuesto al peligro de choque el ctrico 15 No debe introducirse en los orificios de la caja del aparato ning n objeto que no est destinado a ello Esto puede producir cortocircuitos en el producto y o puede causar choques el ctricos fuego o lesiones
56. ould be extremely high Every real probe however will transfer the input sig nal in altered form A good probe causes only minimum alterations How the probe can fulfill this requirement is mainly determined by its band width and CMRR Low loading of the input signal Every probe is a load for the signal to be measured This means that the sig nal to be measured changes as soon as the probe is connected A good probe should cause only a minimum change to the signal so that the function of the DUT is not adversely affected How the probe can fulfill this requirement is mainly determined by its input impedance The parameters of a probe are usually specified for a minimally short connection between the probe and the DUT With longer connections the connection induc tance has a significant effect on the measurement The high frequency behavior of differential probes is typically characterized in the following environment The probe is connected to a differential 100 Q line that is fed by a source with 100 Q internal impedance and that is terminated into 100 O The voltages at both inputs of the probe are always oppositely equal The figure figure 5 1 shows the equivalent circuit model of a probe that is connected to the DUT Ge Ge User Manual 1410 5363 02 01 33 R amp S RT ZD40 Measurement Principles DUT Vs R 50 Q Circuit ground N RR 50 Fig 5 1 Equivalent circuit model of the R amp S RT ZD40 probe
57. pport Center stating your instrument and your wish We will take care that you will get the right information Europe Africa Middle East Phone 49 89 4129 12345 customersupport rohde schwarz com North America Phone 1 888 TEST RSA 1 888 837 8772 customer support rsa rohde schwarz com Latin America Phone 1 410 910 7988 customersupport la rohde schwarz com Asia Pacific Phone 65 65 13 04 88 customersupport asia rohde schwarz com China Phone 86 800 810 8228 86 400 650 5896 customersupport china rohde schwarz com ROHDE amp SCHWARZ 1171 0500 22 06 00 R amp S RT ZD40 Contents Contents 1 Prod ct DES use 5 1 1 Key Features and Key Characteristics 5 t TROY CR D h 1 2 Unpacking the 5 25252222 7 1 21 Inspecting the Coni li 7 1 3 Description of the Prob LL 8 Wace We COG A 8 10 dro oo AM eo ae 9 1 4 Accessories and ltems r rrranunnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnnuennurn 10 1 4 1 Accessories Supplieqd 11 1 4 2 Opilonal CCESSOHEBL aba aaa 12 14 3 SE SEN 13 2 Putting into Operation axxrannnnnnnnnnnnnnnnnnnnnnnnnnnnennnennnennnenn 14 2 HVS 1 AC b aa s n 15 2 1 1 Connecting the Probe to the R amp S RTO Oscilloscope
58. r source Ch1 Trigger mode Auto Run cont ACQUISITION key gt Decimation High res gt Waveform Arithmet ics Average gt Average Count 16 Meas menu gt Setup gt Source Ch1 gt Main Measurement Mean gt State on CH1 key gt Offset 0 V Position 0 div Vertical menu gt Probe Setup gt Ch1 gt ProbeMeter on gt Micro button action Auto zero Measurement Check displayed values in the Measurement Results box Mean 0 V 10 mV ProbeMeter 0 V 4 mV Press the micro button The Auto Zero function automatically com pensates the zero error of the probe oscilloscope combination Check again the measurement results Mean 0 V 12 mV AAA aa User Manual 1410 5363 02 01 48 R amp S RT ZD40 Functional Check DC Accuracy 7 3 DC Accuracy The gain of the probe oscilloscope system and the accuracy of the integrated DC voltmeter are checked G00 00 08 aja s 38 3 Ol CO aa Test setup Probe connected to CH1 of the R amp S RTO oscilloscope INPUT HI LO of the DMM connected to OUTPUT HI LO of the DC voltage source by banana leads BNC to 4 mm dual banana adapter plugged onto the banana leads on the DMM ensure that BNC shield is connected to LO Signal and ground terminal of the probe connected by mini clips leads and socket adapter to the BNC to 4 mm dual banana adapter make sure that probe ground is connected to BNC shield R amp S RTO settings Horizontal
59. risk of exposure to radiation and if necessary take measures to avert the potential danger 1171 0000 52 07 Page 6 Basic Safety Instructions 6 Should a fire occur the product may release hazardous substances gases fluids etc that can cause health problems Therefore suitable measures must be taken e g protective masks and protective clothing must be worn 7 Laser products are given warning labels that are standardized according to their laser class Lasers can cause biological harm due to the properties of their radiation and due to their extremely concentrated electromagnetic power If a laser product e g a CD DVD drive is integrated into a Rohde amp Schwarz product absolutely no other settings or functions may be used as described in the product documentation The objective is to prevent personal injury e g due to laser beams 8 EMC classes in line with EN 55011 CISPR 11 and analogously with EN 55022 CISPR 22 EN 55032 CISPR 32 Class A equipment Equipment suitable for use in all environments except residential environments and environments that are directly connected to a low voltage supply network that supplies residential buildings Note Class A equipment is intended for use in an industrial environment This equipment may cause radio disturbances in residential environments due to possible conducted as well as radiated disturbances In this case the operator may be required to take appropriate measure
60. s debido a posibles perturbaciones guiadas o radiadas En este caso se le podr solicitar al operador que tome las medidas adecuadas para eliminar estas perturbaciones Aparato de clase B Aparato adecuado para su uso en entornos residenciales as como en aquellos conectados directamente a una red de distribuci n de baja tensi n que suministra corriente a edificios residenciales Reparaci n y mantenimiento 1 El producto solamente debe ser abierto por personal especializado con autorizaci n para ello Antes de manipular el producto o abrirlo es obligatorio desconectarlo de la tensi n de alimentaci n para evitar toda posibilidad de choque el ctrico 2 El ajuste el cambio de partes el mantenimiento y la reparaci n deber n ser efectuadas solamente por electricistas autorizados por Rohde amp Schwarz Si se reponen partes con importancia para los aspectos de seguridad p ej el enchufe los transformadores o los fusibles solamente podr n ser sustituidos por partes originales Despu s de cada cambio de partes relevantes para la seguridad deber realizarse un control de seguridad control a primera vista control del conductor de protecci n medici n de resistencia de aislamiento medici n de la corriente de fuga control de funcionamiento Con esto queda garantizada la seguridad del producto 1171 0000 52 07 Page 17 nstrucciones de seguridad elementales Baterias y acumuladores o celdas Si no se siguen o s
61. s to eliminate these disturbances Class B equipment Equipment suitable for use in residential environments and environments that are directly connected to a low voltage supply network that supplies residential buildings Repair and service 1 The product may be opened only by authorized specially trained personnel Before any work is performed on the product or before the product is opened it must be disconnected from the AC supply network Otherwise personnel will be exposed to the risk of an electric shock 2 Adjustments replacement of parts maintenance and repair may be performed only by electrical experts authorized by Rohde amp Schwarz Only original parts may be used for replacing parts relevant to safety e g power switches power transformers fuses A safety test must always be performed after parts relevant to safety have been replaced visual inspection protective conductor test insulation resistance measurement leakage current measurement functional test This helps ensure the continued safety of the product 1171 0000 52 07 Page 7 Basic Safety Instructions Batteries and rechargeable batteries cells If the information regarding batteries and rechargeable batteries cells is not observed either at all or to the extent necessary product users may be exposed to the risk of explosions fire and or serious personal injury and in some cases death Batteries and rechargeable batteries with alkaline electroly
62. scale 10 us div Vertical scale 1 6 V div Trigger source Ch1 Trigger mode Auto Run cont ACQUISITION key gt Decimation High res gt Waveform Arithmet ics Average gt Average Count 16 Meas menu gt Setup gt Source Ch1 gt Main Measurement Mean gt State on CH1 key gt Offset 0 V Position 0 div Vertical menu gt Probe Setup gt Ch1 gt ProbeMeter on A EG A EE A AAA User Manual 1410 5363 02 01 49 R amp S RT ZD40 Functional Check Measurement Offset Compensation Set the voltage on the DC voltage source so that the DMM displays exactly 5 000 V Check displayed values in the Measurement Results box Mean 5 V 250 mV ProbeMeter 5 V 14 mV Repeat procedure for 5 000 V Check again the measurement results Mean 5 V 250 mV ProbeMeter 5 V 14 mV 7 4 Offset Compensation The offset compensation is checked Test setup Same as with DC accuracy R amp S RTO settings Measurement Horizontal scale 10 us div Vertical scale 1 6 V div Trigger source Ch1 Trigger mode Auto Run cont ACQUISITION key gt Decimation High res gt Waveform Arithmet ics Average gt Average Count 16 Meas menu gt Setup gt Source Ch1 gt Main Measurement Mean gt State on CH1 key gt Offset 0 V Position 0 div Vertical menu gt Probe Setup gt Ch1 gt ProbeMeter on gt Micro button action Set offse
63. scope settings for offset position vertical scale hori zontal scale and trigger e True DC measurement integration time gt 100 ms not mathematical average of displayed waveform e Differential measurement range 5 V offset compensation setting Common mode measurement range 8 V common mode offset compensa tion setting e High measurement accuracy and low temperature sensitivity typically 0 1 of reading over the entire temperature range Hu AAA User Manual 1410 5363 02 01 22 R amp S RT ZD40 Connecting the Probe to the DUT AAN n z AAN ANNAN AAA AAN AAN 3 Connecting the Probe to the DUT This chapter describes the different ways of connecting the probe to the DUT In addition the accessories supplied are described and their use is explained In order to achieve optimum RF performance the connections should always be as short as possible Risk of injuries The included probe pins are exceptionally sharp and must be handled with extreme care To prevent injuries always use tweezers when inserting or removing pins some solder in accessories are very fine and sensitive The probe should be stabilized by using appropriate means e g adhesive tape probe posi tioner in order to protect the solder joint from excessive mechanical stress Pins Signal pin solder in Use tweezers to insert the solder in pins onto the pins inside the signal sockets of the probe and then cut to the appropria
64. sories and items can be ordered from your Rohde amp schwarz service center AE Er EE User Manual 1410 5363 02 01 13 R amp S RT ZD40 Putting into Operation 2 Putting into Operation The R amp S RT ZD40 differential probe has been designed to withstand a moderate amount of physical and electrical stress You should treat the probe with care It can be damaged if excessive force is applied to the probe tip Exercise care to prevent the probe from receiving mechanical shock Always handle the probe by the probe head or probe box Avoid putting excessive strain on the probe cable or exposing it to sharp bends Store the probe in a shock resistant case such as the foam lined shipping case that came with the probe Voltages above the specified limits of the R amp S RT ZD40 differential probe may damage the probe Do not exceed the specified limits During operation the probe slightly heats up This is normal behavior and not a sign of malfunction Ha ca AAA DEA User Manual 1410 5363 02 01 14 Installation Risk of damaging electronic components To avoid damage of electronic components the operational site must be protected against electrostatic discharge ESD Wrist strap with cord Y f Building ground L Floor mat Heel strap Ground connection of operational site The following two methods of ESD protection may be used together or sep arately e Wrist strap with cord to gro
65. t to mean Set the voltage on the DC voltage source so that the DMM displays exactly 5 000 V Press the micro button The Offset to mean function of the probe automatically compensates the applied DC voltage The oscilloscope waveform should now be on the horizontal center line Switch measurement range Vertical scale 10 mV div Check displayed values in the Measurement Results box Mean 5 V 50 mV A A ent User Manual 1410 5363 02 01 50 R amp S RT ZD40 Index Index A L ACCESSOTHES Uday babas 11 A nd m 12 A A 17 Loading An 39 B M Bandwidth 6 35 Maintenance 44 c Micro button 6 MiGO BUON sees 18 Ss EN 45 N 16 010 EE 31 CMDS mann sular n 12 N USB adapter 13 CMRR 29 39 o Common mode input voltage 28 COMMON mode range 30 Offset compensation check 50 Common Mode Rejection Ratio 29 39 Operating voltage Window 30 Connecting to DUT 23 Connecting to R amp S RTO 16 4 Connection inductance 36 Pins D Inserting and removing 23 Probe DC accuracy Check
66. ta 2000 m sobre el nivel del mar transporte hasta 4500 m sobre el nivel del mar Se aplicara una tolerancia de 10 sobre el voltaje nominal y de 5 sobre la frecuencia nominal Categoria de sobrecarga electrica 2 indice de suciedad 2 2 No sit e el producto encima de superficies vehiculos estantes o mesas que por sus caracteristicas de peso o de estabilidad no sean aptos para l Siga siempre las instrucciones de instalaci n del fabricante cuando instale y asegure el producto en objetos o estructuras p ej paredes y estantes Si se realiza la instalaci n de modo distinto al indicado en la documentaci n del producto se pueden causar lesiones o en determinadas circunstancias incluso la muerte 3 No ponga el producto sobre aparatos que generen calor p ej radiadores o calefactores La temperatura ambiente no debe superar la temperatura maxima especificada en la documentaci n del producto o en la hola de datos En caso de sobrecalentamiento del producto pueden producirse choques electricos incendios y o lesiones graves con posible consecuencia de muerte Seguridad electrica SI no se siguen o se siguen de modo insuficiente las indicaciones del fabricante en cuanto a seguridad el ctrica pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte 1 Antes de la puesta en marcha del producto se deber comprobar siempre que la tensi n preseleccionada en el producto coincida co
67. te length Try to keep the wires as short as possible Finally stabilize the probe for example by using adhe Sive tape The fine wires on this adapter are best suited to make secure contact with small contact points such as SMT components or IC pins Distance range 0 mm to 15 mm 0 mil to 600 mil Ha a i cA cn r User Manual 1410 5363 02 01 23 R amp S RT ZD40 Connecting the Probe to the DUT Adapters To insert and adjust the adapters User Manual 1410 5363 02 01 The socket and browser adapters each consist of two separate parts a red one for the posi tive socket and the blue part for the negative socket The sockets socket adapter or pins browser adapter are mounted off center and the outside is designed like a cogwheel thus the distance between the pins can be adjus ted First insert one part on the appropriate socket Then insert the second part to the other socket and make sure that the levers are symmetrical and the cogs are meshing To adjust the distance between the sockets pins turn the levers A built in stop prevents unwanted turning of the signal pins when prob ing The socket adapter is designed to plug the probe onto pin strips or for the connection of standard accessories Distance range 2 mm to 5 08 mm 80 mil to 200 mil The sockets are compatible with 0 64 mm 25 mil square pins and 0 6 mm to 0 8 mm 24 mil to 35 mil round pins 24 R amp S RT Z
68. tes e g lithium cells must be handled in accordance with the EN 62133 standard 1 2 Cells must not be taken apart or crushed Cells or batteries must not be exposed to heat or fire Storage in direct sunlight must be avoided Keep cells and batteries clean and dry Clean soiled connectors using a dry clean cloth Cells or batteries must not be short circuited Cells or batteries must not be stored in a box or in a drawer where they can short circuit each other or where they can be short circuited by other conductive materials Cells and batteries must not be removed from their original packaging until they are ready to be used Cells and batteries must not be exposed to any mechanical shocks that are stronger than permitted If a cell develops a leak the fluid must not be allowed to come into contact with the skin or eyes If contact occurs wash the affected area with plenty of water and seek medical aid Improperly replacing or charging cells or batteries that contain alkaline electrolytes e g lithium cells can cause explosions Replace cells or batteries only with the matching Rohde amp Schwarz type see parts list in order to ensure the safety of the product Cells and batteries must be recycled and kept separate from residual waste Rechargeable batteries and normal batteries that contain lead mercury or cadmium are hazardous waste Observe the national regulations regarding waste disposal and rec
69. uctos sin interruptor en bastidores o instalaciones se debera colocar el interruptor en el nivel de la instalaci n No utilice nunca el producto si esta danado el cable de conexion a red Compruebe regularmente el correcto estado de los cables de conexion a red Asegurese mediante las medidas de protecci n y de instalaci n adecuadas de que el cable de conexion a red no pueda ser danado o de que nadie pueda ser da ado por l p ej al tropezar o por un choque el ctrico Solamente est permitido el funcionamiento en redes de alimentaci n TN TT aseguradas con fusibles de 16 A como m ximo utilizaci n de fusibles de mayor amperaje solo previa consulta con el grupo de empresas Rohde amp Schwarz Nunca conecte el enchufe en tomas de corriente sucias o llenas de polvo Introduzca el enchufe por completo y fuertemente en la toma de corriente La no observaci n de estas medidas puede provocar chispas fuego y o lesiones No sobrecargue las tomas de corriente los cables alargadores o las regletas de enchufe ya que esto podr a causar fuego o choques el ctricos En las mediciones en circuitos de corriente con una tensi n Uer gt 30 V se deber n tomar las medidas apropiadas para impedir cualquier peligro p ej medios de medici n adecuados seguros limitaci n de tensi n corte protector aislamiento etc 1171 0000 52 07 Page 14 nstrucciones de seguridad elementales 10 Para la conexi n con dispositivos informaticos c
70. und connection e Conductive floor mat and heel strap combination 2 1 Installation This section provides a quick introduction to the use of the R amp S RT ZD40 differ ential probe R amp S RT ZD40 Putting into Operation Installation All settings of the base unit described in this section refer to the R amp S RTO oscilloscope If any other oscilloscope is used differences in settings and menu navigation may be possible 2 1 1 Connecting the Probe to the R amp S RTO Oscilloscope The R amp S RT ZD40 differential probe has been designed for use with R amp S RTO oscilloscopes Connect the probe box 1 to the Rohde amp Schwarz probe interface of the base unit 2 The probe will snap in when connected properly to the port To disconnect press the release button 3 and pull the probe box away from the front panel of the base unit Fig 2 1 Connecting the probe to the R amp S RTO oscilloscope 2 1 2 Identification of the Probe When the probe is connected to the oscilloscope the oscilloscope recognizes the probe and reads out the probe specific parameters The oscilloscope settings for attenuation and offset are automatically adjusted A a FE SE User Manual 1410 5363 02 01 16 R amp S RT ZD40 Putting into Operation Installation As soon as the probe is connected to the oscilloscope and the settings are adjus ted the waveform is shown for the channel to which the probe is connected To displa
71. urement Principles R amp S RT ZD40 Probing Philosophy This has resulted in a difference of opinion as to which of the following two sig nals should be output by the probe The initial signal that is not loaded by the probe Vs and that corresponds to 1 the signal at the test point without the probe being connected The input signal that is additionally loaded with the input impedance of the probe Vn and that is actually present between the probe tips Both approaches are physically correct and have their individual advantages and disadvantages In theory it is even possible to mathematically convert the two measurement results into each other but only by performing a complex transfor mation to and from the frequency domain Probe manufacturers will use one or the other of these two approaches Rohde amp Schwarz has decided in favor of the user friendly approach In our opin ion most users want to know the signal present in the DUT before it was altered by the influence caused by the probe After all users want to characterize their own DUTs not the Rohde amp Schwarz probe As long as measurements are carried out in a 100 or a comparable environ ment the signal displayed on the oscilloscope screen is always a direct represen tation of the unloaded signal VS as can be seen in figure 5 8 Vs 30 A o P L 2 Vout OX e A 2 230 5 of RR regs a au o
72. ut voltage and A em IS the amplification of the common mode input voltage An ideal differential probe is expressed as um 7 and A em 0 In this case the displayed voltage exactly equals to the differential input voltage Vi between the two signal sockets and the common mode input voltage is totally supressed 4 1 Common Mode Rejection Ratio CMRR An ideal differential probe outputs a voltage that depends only on the differential input voltage Vi between positive and negative input and suppresses the com mon mode voltages This is equivalent to an infinite common mode rejection ratio CMRR In contrast real probes have a finite CMRR resulting in a small part of the com mon mode voltage visible in the output signal The CMRR is defined as the ratio of the amplifications of differential and common mode input signals CMRR Adm A vem Example If a differential input voltage of 1 V yields an output voltage of 100 mV Ayan 0 1 and a common mode input voltage of 1 V an output voltage of 1 mV A em 0 001 the CMRR is 100 or 40 dB A high CMRR is important if significant common mode signals are encountered at the probe input for example DC voltages for setting the operating points of active DUTs e Different ground levels of probe and DUT e g floating DUTs e An interference that couples equally to both conductors of a differential trans mission line Ge
73. very effort to keep the safety standards of our products up to date and to offer our customers the highest possible degree of safety Our products and the auxiliary equipment they require are designed built and tested in accordance with the safety standards that apply in each case Compliance with these standards is continuously monitored by our quality assurance system The product described here has been designed built and tested in accordance with the EC Certificate of Conformity and has left the manufacturer s plant in a condition fully complying with safety standards To maintain this condition and to ensure safe operation you must observe all instructions and warnings provided in this manual If you have any questions regarding these safety instructions the Rohde amp Schwarz group of companies will be happy to answer them Furthermore it is your responsibility to use the product in an appropriate manner This product is designed for use solely in industrial and laboratory environments or if expressly permitted also in the field and must not be used in any way that may cause personal injury or property damage You are responsible if the product is used for any purpose other than its designated purpose or in disregard of the manufacturer s instructions The manufacturer shall assume no responsibility for such use of the product The product is used for its designated purpose if it is used in accordance with its product documentation and
74. within its performance limits see data sheet documentation the following safety instructions Using the product requires technical skills and in some cases a basic knowledge of English It is therefore essential that only skilled and specialized staff or thoroughly trained personnel with the required skills be allowed to use the product If personal safety gear is required for using Rohde amp Schwarz products this will be indicated at the appropriate place in the product documentation Keep the basic safety instructions and the product documentation in a safe place and pass them on to the subsequent users Observing the safety instructions will help prevent personal injury or damage of any kind caused by dangerous situations Therefore carefully read through and adhere to the following safety instructions before and when using the product It is also absolutely essential to observe the additional safety instructions on personal safety for example that appear in relevant parts of the product documentation In these safety instructions the word product refers to all merchandise sold and distributed by the Rohde amp Schwarz group of companies including instruments 1171 0000 52 07 Page 1 Basic Safety Instructions systems and all accessories For product specific information see the data sheet and the product documentation Safety labels on products The following safety labels are used on products to warn against risks and da
75. y probe specific settings and information On the Vertical menu select Probe Setup and select the correct channel tab 2 1 3 AutoZero This procedure performs an automatic correction of the zero error displayed on the oscilloscope s screen The waveform is set to 0 V on the horizontal centerline of the oscilloscope To perform the AutoZero function using the micro button see also chapter 2 2 Micro Button on page 18 1 Connect the probe to the R amp S RTO oscilloscope 2 Configure the micro button function on the R amp S RTO Vertical menu gt Probe Setup gt Ch tab gt Micro button action Auto Zero 3 Short the signal pins and the ground pin together 4 Press the micro button Alternatively AutoZero can be started in the dialog box of the R amp S RTO b Vertical menu gt Probe Setup gt Ch tab gt Detect AutoZero A A a User Manual 1410 5363 02 01 17 R amp S RT ZD40 Putting into Operation Micro Button 2 2 Micro Button The micro button provides easy and quick access to important functions of the R amp S RTO After a function has been assigned pressing the micro button remotely controls this specific function on the base unit For example Continuous Run and AutoZero are commonly assigned to the micro button To assign a function to the micro button with the R amp S RTO oscilloscope b Vertical menu gt Probe Setup gt Ch tab gt Micro button action
76. ycling Transport 1 The product may be very heavy Therefore the product must be handled with care In some cases the user may require a suitable means of lifting or moving the product e g with a lift truck to avoid back or other physical injuries Handles on the products are designed exclusively to enable personnel to transport the product It is therefore not permissible to use handles to fasten the product to or on transport equipment such as cranes fork lifts wagons 1171 0000 52 07 Page 8 Basic Safety Instructions etc The user is responsible for securely fastening the products to or on the means of transport or lifting Observe the safety regulations of the manufacturer of the means of transport or lifting Noncompliance can result in personal injury or material damage If you use the product in a vehicle it is the sole responsibility of the driver to drive the vehicle safely and properly The manufacturer assumes no responsibility for accidents or collisions Never use the product in a moving vehicle if doing so could distract the driver of the vehicle Adequately secure the product in the vehicle to prevent injuries or other damage in the event of an accident Waste disposal Environmental protection la Specially marked equipment has a battery or accumulator that must not be disposed of with unsorted municipal waste but must be collected separately lt may only be disposed of at a suitable collection p

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