ESHS10 EMI Receiver
Contents
1. tercept point typ 20 dBm without preamplifier Measurement of voltage field strength current and pulse spectral density with full indication of units Automatic consideration of fre quency dependent transducer fac tors Indication of level on analog meter and digital display with O 1 dB re solution 60 dB operating range also for quasi peak and average indication e Output of results as lists and dia grams on printer or plotter inclu ding limit lines and user definable labelling e Nonvolatile storage of 9 complete instrument settings and 22 different transducer factors and limit lines e Manual operation or automatic test with report on printer or plotter Additional features of ESHS30 e F analysis for visual check of inter ference spectrum in manual measu rement mode IF analysis module with resolution bandwidth of 1 3 and 10 kHz IF analysis executed automatically during level measu rement Optimal result display for every application e Display of interference spectra RF ANALYSIS including limit lines on low emission screen e Full storage and listing of results e Manual operation or automatic test with spectrum display on screen e Built in 3 2 disk drive for storing test results and instrument settings e Built in tracking generator for at tenuation and gain measurements Manual operation For solving complex EMC problems manual measurement often is the most efficient way since2. tion of the meter response for A faulty module can easily be found by connecting a discontinuous inter the builtin selftest and replaced with a ference analyzer minimum of effort and without affecting the other modules vines Shs keveoaRo Pm 74 m Gace a Ghee PRINTER INTERFACE a ee SUPPLY OK Interference rejection non linearities Image frequency rejection Specifications IHF gt 90 yp 100 dB Frequency range 9 kHz to 30 MHz 2nd IF gt 75 dB Sape chine 1 with tuning knob in 10 Hz 10 kHz IF rejection gt 90 typ 100 dB i steps or any step size switch selected Intercept point d3 with f1 f21 2100 kHz and O dB RF attenuation 2 numerical keyboard entry Preamplifier 3 in steps of any selectable size off on A automatic scanning RF analysis Level f f2 at receiver input 10 dBm 20 dBm Display 7 digit LCD fn lt 2 MHz typ 15 dBm typ O dBm Resolution ie fa 22 MHz gt 15 dBm gt 0 dBm Setting error lt 3 x 10 30 Hz typ 20 dBm typ 5 dBm RF input Zin 50 Q N connector female Intercept point k2 gt 40 dBm gt 20 dBm VSWR lt 1 2 with gt 10 dB RF attenuation Oscillator reradiation at RF input O dB RF attenuation without preamplifier with preamplifier Preamplifier Gain Preselector Maximum input level with and without preamplifier RF attenuation O dB DC voltage Sinewave AC voltage Pulse spectral density RF attenuation gt 10 dB DC coupled DC voltage Sinewave AC
3. 2150 kHz typ 13 dBuv BW 10kHz typ 34 dBuV MHz PK MHz typ 38 dBpV typ 19 dBpV typ 28 dBuV MHz Voltage measurement range fin gt 50 kHz Lower limit additional error caused by inherent noise lt 1 dB off Preamplifier on Average indication AV BW 200 Hz BW 10 kHz Peak indication PK BW 200Hz typ 8 dBuV BW 10 kHz typ 10 dBuV Quasi peak indication QP CISPR band A pulse freq 25 Hz typ 30 dBuV CISPR band B pulse freq 100 Hz typ 11 dBuV Upper limit AV PK QP Inherent spurious response Level display digital in dBuV dBuA dBm dBuV m dBuA m dBpW analog Operating ranges Screen RF analysis ESHS30 only Resolution Display range X axis frequency Y axis level Display modes Averaging hold and measuring times Measuring error AV for S N gt 16 dB Level calibration Demodulation modes IF analysis ESHS 30 only Display range Resolution Nominal bandwidth 10 kHz 3 kHz 1 kHz Sweep time Level display range Input attenuation Date time of day 6 EMI Test Receivers ESHS lt 26 dBuY typ 31 dBuV lt 32 dBuV typ 37 dBpV lt 10 dBuY typ 13 dBuV lt 16 dBuV typ 20 dBpV typ 14 dBuv typ 4 dBuV typ 36 dBu V typ 17 dBpV 137 dBuV RF attenuation gt 10 dB lt 10 dBuY equiv input voltage 3 2 digits resolution 0 1 dB on moving coil meter in operating ran ge of IF detector with additional digital display of lo
4. safety class to VDE 0411 IEC 348 12 V 10 Ah operating time approx 4h 11 to 33 V 1 2 Aat24V 2 3Aat12V 2 1 Aat 24V 3 9Aatl2V Dimensions incl controls W x H x D ESHS 10 ESHS30 Weight ESHS 10 ESHS30 Ordering information Order designation EMI Test Receiver ESHS 10 EMI Test Receiver ESHS 30 Accessories supplied ESHS 30 in addition Recommended extras For interference measurements RF Current Probe 9 kHz to 30 MHz ESHS 30 Current Probe 20 Hz to 100 MHz Active Probe 9 kHz to 30 MHz high impedance Passive Probe 9 kHz to 30 MHz VDE 0876 Four line Artificial Mains Network 9 kHz to 150 kHz 30 MHz VDE 0876 Four line Artificial Mains Network 150 kHz to 30 MHz 200 A Double Two Wire ISN to CISPR22 for unshielded telecommunication ports Four Wire ISN to CISPR22 for unshielded telecommunication ports Antenna Impedance Converter Two line V Network V Network 5 uH 50 Q Attenuator 20 dB 10 W Rod Antenna Rod Antenna MIL Loop Antenna 9 kHz to 30 MHz Loop Antennna 9 kHz to 1 MHz Inductive Probe Tripod Wooden Tripod for HFH2 Z6 Pulse Limiter 9 kHz to 30 MHz Highpass filter 150 kHz Option 3 additional RJ45 adapter sets for ENY41 435 mm x 236 mm x 363 mm 435 mm x 236 mm x 463 mm 21 kg 18 kg with without batteries 28 6kg 1004 0401 10 1002 9001 30 power cable connector for external battery operating manual N to BNC adapter hood for screen ESH2 Z
5. 0 Hz steps sweep mode for fast frequency scans EMI TEST RECEIVER 9kHz 30 MHz ESHS 30 permanently activated peak detec tors e Logarithmic amplifier with more than 70 dB dynamic range e 12 bit A D converter with short conversion time e IF filters with low delay distortion e Flash EPROMs allowing convenient and fast firmware updating e Digital level indication on LC dis play and analog level indication on moving coil meter taking into account transducer factors and their units 1002 9001 30 sex s4n1907008 FREQUENCY matic measure ment of RFI volta ges For this measurement the test receivers control the artificial mains network de tect the line with the highest RFI level compare the results with the permissi ble limits and furnish a comprehensive test report with all the necessary infor mation Both receiver models combine three classes of instruments in one a compact manually tunable and battery operated test receiver an automatic test receiver which automatically performs measure ments and reports the results a system compatible test receiver 2 EMI Test Receivers ESHS e High level input mixer ensuring high isolation of 1st LO e Field strength measurements using test antennas e Highly linear envelope detector with more than 70 dB dynamic range e Peak average and quasi peak de tectors operating in parallel e Peak indication with automatic consideration of IF
6. 1 0338 3516 52 EZ 17 0816 2063 02 ESH2 Z2 0299 7210 52 ESH2 Z3 0299 7810 52 ESH2 Z5 0338 5219 52 ENV 4200 1107 2387 02 ENY22 1109 9508 02 ENY41 1110 0175 02 EZ 12 1026 4800 02 ESH3 Z5 0831 5518 52 ESH3 Z6 0836 5016 52 ESH2 Z1 1 0349 7518 52 HFH2 Z1 0335 3215 52 HFH2 Z6 0837 1866 54 HFH2 Z2 0335 4711 52 HFH2 Z3 0335 6214 52 HFH2 Z4 0338 3016 52 HFU Z 0100 1114 02 HZ 1 0837 2310 02 ESH3 Z2 0357 8810 52 EZ 25 1026 7796 02 ENY4 B1 1109 9950 02 Other accessories 6 V Lead Acid Storage Battery maintenance free 10 Ah 2 required for ESHS 10 Keyboard English Keyboard German Headphones Service Manual ESHS 10 Service Manual ESHS30 Service Kit 19 Rack Adapter with front handles without front handles Set of Front Handles Cables RF Connecting Cable BNC ESHS30 IEC bus Connecting Cable lm 2m Printer Cable Control Cables for artificial mains networks from ESHS to ESH3 Z5 2m from ESHS to ESH2 Z5 2m from ESHS to ENV4200 3m Control Cables for artificial mains networks in shielded cabins both cables required from ESHS to ESH3 Z5 2m 10m from ESHS to ESH2 Z5 2m 10m from ESHS to ENV4200 3m 10m Feeder Cables for active antennas in shielded cabins two required 3m 10m Certified Quality System ISO 9001 DQS REG NO 1954 02 PSA Z1 PSA Z1 EZ 8 ZZA 95 ZZA 95 1 ZZG 95 PCK PCK EZ 11 EZ 14 EZ 13 EZ 21 EZ 14 EZ 6 EZ 14 EZ 5 EZ 21 EZ 21 HZ 3 HZ 4 0338 4012 00 1009 500
7. 1 32 1009 5001 31 0110 2959 00 1004 0553 24 1003 0272 24 0816 1067 02 0396 4911 00 0396 9488 00 0396 5176 00 0292 2013 10 0292 2013 20 0816 1767 02 1026 5341 02 1026 5293 02 1107 2087 03 1026 5341 02 0816 0683 02 1026 5341 02 0816 0625 02 1107 2087 03 1107 2087 10 0837 3469 02 0816 0519 02 EMI Test Receivers ESHS 7 Fax Reply EMI Test Receivers ESHS E Please send me an offer E I would like a demo E Please call me E would like to receive your free of charge CD ROM catalog Others Name Company Department Position Address Country Telephone Fax E mail ROHDE amp SCHWARZ ROHDE amp SCHWARZ GmbH amp Co KG MihldorfstraBe 15 D 81671 M nchen P O B 801469 D 81614 M nchen Telephone 4989 4129 0 Internet http www rsd de CustomerSupport Tel 49 1805124242 Fax 4989 4129 3777 E mail CustomerSupport rsd rsd de 999 U we Printed in Germany PD 756 3260 23 Trade names are trademarks of the owners Subject to change Data without tolerances typical values
8. 1 dB Interfaces For further signal evaluation and for dri ving or feeding add on units ESHS 10 and 30 have the following interfaces IEC IEEE bus interface Coding and supply socket ANTENNA CODE for active an tennas and other accessories e IF output 80 kHz 80 kHz OUTPUT for evaluating the IF signal eg with an oscillos cope Envelope detector output VIDEO OUTPUT for evaluating the detected IF signal eg with an oscilloscope Connector for an MF2 compatible keyboard for text entry Input for an external reference fre quency 5 or 10 MHz automatic detection DATA INPUT ANALYSIS e USER INTERFACE with 6 TTL ports for driving external RS 232 interface for reprogram ming the built in flash EPROMs when updating the firmware via Design devices eg for phase selection of the Artificial Mains Networks ESH2 Z5 and ESH3 Z5 input for external triggering of The service friendly modular design of the ESHS 10 and 30 in conjunction with aconsequent design to EMC rules inclu an AT compatible computer Parallel interface PRINTER INTERFACE for connec ting a printer ding the low emission screen ensures measurements excellent results regarding RFI emission outputs for the analog display IF output 74 7 MHz for connecting and immunity voltage with and without simula a panoramic display ESHS 10 only Connector 11 to 33 V for battery powered operation eg in a vehicle
9. apm EMI Test Receivers ESHS 9 kHz to 30 MHz e Comply with CISPR 16 1 e Level measurement range e Five preselection filters VDE 0876 and ANSI C63 2 36 to 137 dBuV e Battery or AC supply e For measurements to European e Frequency resolution 10 Hz e Parallel detectors for average Standards 55011 to 55022 e Wide dynamic range peak and quasi peak indication ETS FCC VCCI and VDE 0871 e High measuring accuracy e Macros for automatic test runs to 0879 ROHDE amp SCHWARZ Functions The EMI Test Receivers ESHS 10 and 30 are double conversion heterodyne re ceivers covering the frequency range from 9 kHz to 30 MHz They can be ma nually operated featuring high fre quency resolution and accurate level in dication both average and quasi peak Thanks to the builtin intelligence of the test receivers the time required for measurements is reduced considerab ly Being specia lists for EMI mea surements to CISPR CENELEC ETSI FCC VCCl and VDE standards these test recei vers furnish resul ts ata speed and accuracy not possible pre viously Their real strength howe ver is the auto Features e Frequency range 9 kHz to 30 MHz e RF attenuator switchable in 10 dB steps in range O to 120 dB high pulse loading capacity of input attenuator 100 mWs e Preamplifier with wide dynamic range can be switched between preselection filter and 1st mixer e Crystalcontrolled synthesizer as Ist LO variable in 1
10. bandwidth correction factors for measuring broadband interference PK MHz e Automatic overload detection in mixer stages and in test channel by looo one e High measuring accuracy error lt 1 dB typ lt 0 5 dB e Detection of faulty modules by built in selftest facilities ROHDE amp SCHWARZ AFI VOLTAGE TEST l4 Frequencies Receiver Settings tos ector M Tine Atten Preamp OpAge OFF coda 7 30M 5x tox PKeav isa auTO LO Finel Nessurenen t w OP av Result of complete auto matic RFI voltage measu rement to CISPR 22 class B Curves fast prescan measurement using peak blue and average detector green simulta neously result of final mea surement with long measuring time 1 s at frequencies with highest levels of prescan measu rement quasi peak value average value List of final measurement resul ts is plotted separately Time required for com plete measurement inclu ding documentation approx 4 min Automatic calibration at a keystro ke with the aid of a high precision built in 100 kHz harmonics genera tor Demodulator circuits for AM and AO headphones connector and builtin loudspeaker Automatic monitoring of all synthe sizer loops and supply voltages du ring operation Wide dynamic range noise figure typ 5 dB with preamplifier 10 dB without preamplifier third order in
11. orage temperature range ESHS 30 temperature range for floppy disk drive Mechanical stress EMC Power supply AC supply Battery Internal ESHS 10 only External ESHS 10 ESHS30 3 2 1 44 Mbyte formatted MS DOS compatible HP GL or binary to IEC 625 2 IEEE 488 2 24 contact Amphenol connector via IEC IEEE bus interface 12 contact Tuchel connector Zoy 10 Q jack JK34 adjustable up to 2 V N connector female 50 Q 96 dBuV 1 dB Zoyy 50 Q BNC connector female 10 dB without preamplifier 20 dB with preamplifier gt 2 MHz or bandwidth of preselector Zoy 50 Q BNC connector female 1 to 30 mV ImV to 1 V BNC connector female Ato 126 mV AmVto4V 25 contact Cannon connector includes 6 control lines for an external device eg artificial mains network display voltage analog with and wit hout simulation of meter response in put for external triggering RS 232 C in terface for firmware updating parallel interface 15 contact Cannon connector DIN connector 5 contact for MF 2 key board BNC connector female EMF 21 V from 50 Q 5 10 MHz 3 contact connector 11 to 33 V 10 to 55 C no condensation allowed 25 to 70 C 5 to 50 C shock tested to MIL STD 8 10D shock spectrum 40 g vibration tested to MIL T 28800D class 5 complies wi th IEC Publ 68 2 6 to EMC directive of EU 89 336 EEC and German EMC law 100 120 240 V 10 230 V 6 10 47 to 420 Hz 80 VA
12. the operator can make full use of his experience in iden tifying interference sources ESHS 10 and 30 feature conventional test recei ver operation with tuning knob indica tion of results on a meter and built in loudspeaker ESHS 30 provides IF ana lysis in addition The clear arrangement of the controls all keys being assigned one function only and the LC display of the selected parameters such as attenuation band width and detector ensure great ease of operation The display is easy to read in any ambient light Automatic operation The input keys for automatic measure ments are arranged on the lett of the front panel A row of menu keys are provided below the screen to enter fre quency scans limits transducer fac tors configuration data and macros for test routines In a frequency scan lin or log up to five subscans are covered each subs can can be assigned a specific test re ceiver setting Nonvolatile storage of 22 limit lines and transducer factors with up to 50 values is possible By combining the transducer factors all configurations occurring in practice can be covered EMI Test Receivers ESHS 3 The results of a frequency scan are usually first displayed in graphical form on the screen and then output on a prin ter as a list and or on a plotter as a graph Time can be saved by simulta neous printing of the lists and plotting of the graphs Plotting is also possible du ring the freq
13. uency scan so that the desi red document is already obtained du ring the measurement Any relevant in formation can be added to the test re port either by entering it via a line edi tor or more conveniently via an MF 2 keyboard that can be connected Infor CONFIG REPORT FLOPPY 4 EMI Test Receivers ESHS mation is automatically added to the parameters known to the ESHS such as date time and receiver settings Macros for automatic test runs ANALYSIS OPTIONS match the ESHS 10 and 30 to the specific configu ration device under test and measure ment specification Being thus prepa red the test receivers perform the follo wing sequences automatically e Fast prescan measurement using the peak and or average detector e Final measurement at critical fre quencies for RFI voltage measu rements on all phases of the artifi cal mains network LISN using the average and or quasi peak detector e Report of results on printer or plotter e ESHS30 storage of results on flop py disk e Determination of critical frequen cies by means of limit lines with data reduction to shorten the measuring time The minimum configuration consisting of ESHS 10 or 30 artificial mains net work LISN and plotter is already a powerful and cost effective test set Remote control The IEC IEEE bus interface complies with the latest standard IEEE 488 Part 2 The measured values are output with a resolution of 0 0
14. voltage Max pulse voltage 10 us Max pulse energy 10 us lt 2 with O dB RF attenuation lt 20 dBuV lt 10 dBuVv switchable between input filter and lst mixer 10 dB five bandpass filters 9 kHz to lt 150 kHz 150 kHz to lt 4 05 MHz 4 05 MHz to lt 12 8 MHz 12 8 MHz to lt 21 55 MHz 21 55 MHz to 30 MHz 7V 130 dBuV 96 dBuV MHz 7V 41W 137 dBuV 700 V 100 mWs RF shielding Voltage indication at a field strength of 10 V m with O dB RF attenuation f f lt 10 dBuV Additional error in quasi peak indication range lt 1 dB Intermediate frequencies Ist IF 74 7 MHz 2nd IF 80 kHz IF bandwidths Nominal 3 dB 6 dB Shape factor bandwidth 420 200 Hz 150 Hz 200 Hz BW6 a BW50 a 8 typ 20 30 Hz 10 kHz 7 kHz 9 5 kHz BWosa BWeoae 1 3 5 typ 0 5 kHz 1 Meets tolerances to CISPR 16 2 Meets tolerances to CISPR 16 min 8 kHz max 10 kHz and complies with MIL tolerance 10 kHz 10 EMI Test Receivers ESHS 5 Noise indication Average value BW 200 Hz off Preamplifier on f 9 to 50 kHz lt 24 to lt 30 dBuV lt 30 to lt 36 dBuV f gt 50 kHz lt 30 dBuV lt 36 dBuV typ 35 dBuV typ 41 dBuV Average value BW 10 kHz f gt 50 kHz lt 14 dBuv lt 20 dBuv typ 17 dBuV typ 25 dBuV Peak value increase as against ve a 11 dB average value Quasi peak Band A 9 to 50 kHz typ 24 to 30 dBuV typ 30 to 36 dBuV 50 to 150 kHz typ 32 dBuV Band B
15. wer range limit 30 60 dB 5 CRT with digital display memory 1024 x 1024 pixels freely selectable between 9 kHz and 30 MHz 10 to 200 dB adjustable average AY peak PK spectral density measurement PK MHz quasi peak QP 1 ms to 100 s 1 2 5 steps lt 1 dB digital display typ lt 2 dB analog display harmonics generator AO zero beat A3 for A3E emissions 10 kHz to 2 MHz in 1 2 5 steps 3dB Shape factor 20 BW 34g BW soap 10 kHz 1 4 3 kHz 1 6 1 kHz 1 9 50 ms to 10s adjustable in 1 2 5 steps 80 dB 0 20 dB selectable internal clock permanently operated from internal battery Floppy disk drive ESHS30 only Formatting Data format Connectors and interfaces Remote control Remote control connector Plotter Front panel outputs Supply and coding connector for antennas etc AF output EMF Generator output ESHS 30 only EMF Rear panel outputs IF 74 7 MHz ESHS 10 only Gain ref to RF input RF attenuation O dB Bandwidth 3 dB IF 80 kHz EMF in range of analog level display for unmod sinewave signal Operating range 30 dB 60 dB Bandwidth IF bandwidth Video output envelope detector EMF in range of analog level display Operating range 30 dB 60 dB User interface Printer connection Keyboard connection Rear panel inputs Ext reference frequency Required level Frequency Ext battery Required voltage General data Rated temperature range St
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