Model 4013DDS User Manual
Contents
1. WEIGHIE s sione aa aa tes Aprox 2 kg REGULATORY STANDARDS i IEC 1010 1 Insulation category II Pollution Degree 2 EMG eein n iso NES nidi EN50081 1 and EN50082 1 CE Labeled NOTES rta ona desi Specifications apply at 25 5 C ambient temperature and after 30 minutes warm up Specifications are subject to change without notice For the most current product information please visit www bkprecision com 1 4 TECHNICAL SUPPORT If this product fails to operate upon arrival contact your B amp K PRECISION dealer or the factory to arrange for service or exchange To arrange technical assistance or for service contact the factory at B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 714 921 9095 www bkprecision com 2 1 2 2 2 3 2 4 2 5 Section 2 Installation INTRODUCTION This section contains installation information power requirements and an acceptance check for the Model 4013DDS Function Generator MECHANICAL INSPECTION This instrument was carefully inspected before shipment Upon receipt inspect the instrument for damage that might have occurred in transit If there is damage due to shipping file a claim with the carrier who transported the unit The shipping container and packing material should be saved in case reshipment is required If the original container is not be used then use a heavy carton box Wrap the unit with plastic and place cardboard strips across t2. BK ENCIMA JO FM tole Std G Model 4013DDS 12 MHz Sweep Function Generator Model 4013DDS Instruction Manual Limited Three Year Warranty B amp K Precision warrants to the original purchaser that its products and the component parts thereof will be free from defects in workmanship and materials for a period of three years from date of purchase from an authorized B amp K Precision distributor B amp K Precision will without charge repair or replace at its option defective product or component parts Returned product must be accompanied by proof of the purchase date in the form of a sales receipt To obtain warranty coverage in the U S A this product must be registered by completing the warranty registration form on www bkprecision com within fifteen 15 days of purchase Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs The warranty is void if the serial number is altered defaced or removed B amp K Precision shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitations of incidental or consequential damages So the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state Service Information Warranty Service Please return the product in the or
3. ON button and rotating the DUTY CYCLE knob A change of symmetry from 15 to 85 can be obtained 3 5 3 Output Attenuation The pushbutton attenuator of 20 dB attenuates the waveform by a factor of 10 In order to achieve low noise waveforms at low levels use proper attenuation and keep the amplitude control far from its maximum CCW position 3 5 4 Offset Output DC voltage appears at the main output by pushing the OFFSET ON button By rotating the OFFSET control knob from CCW to CW the output level and polarity are changed from negative to positive This level is also controlled by the output attenuator DC offset is achieved by adding the above DC output to any of the output waveforms selected by pressing the function buttons A maximum open circuit offset voltage of 10V can be obtained It should be noted that the peak voltage of the signal including DC and AC cannot exceed 10V into open circuit and 5V into 500 The maximum current which can be taken from the output in DC or AC modes is limited to 100 mA maximum 3 5 5 Sweep Operation The internal sweep mode allows an overview of the frequency sensitive characteristics of a device under test In the mode the frequency of the selected waveform is swept from the selected start to selected stop frequency When the stop frequency is reached the instrument resets to the start frequency and repeats 1 Pressthe Sweep ON button to set either Lin linear or Log logarithmic operation Press
4. UTY CYCLE OFF OFFSET cunas OFF ATTENUATOR OFF AMPLITUDE CENTERED Connect a 500 coaxial cable terminated into a 500 feedthrough to the vertical input of an oscilloscope set vertical to 2V Div and horizontal to 1 ms Div The oscilloscope should display a triangle waveform 1 Alternately press the sine square and triangle pushbuttons and observe the different wave shapes Return to the sine function 2 Rotate the frequency knob and press up and down range switches while observing the change in frequency of the displayed waveform 3 Push the DUTY CYCLE ON button Select the SQUARE wave Rotate the control while observing the change in the duty cycle of the waveform 4 Alternately press the 20 dB attenuator button and rotate the AMPLITUDE control to verify that the waveform amplitude changes Return these controls to the preset condition 5 Push the OFFSET ON button and rotate the OFFSET control Notice the change in DC level of the displayed waveform Return these controls to the preset condition 3 5 DETAILED OPERATING INSTRUCTIONS 3 5 1 Frequency Setting The frequency of the generator is changed by turning the FREQUENCY control The frequency range is selected by pressing the up or down range pushbuttons The waveform output frequency is shown on the LCD display 3 5 2 Variable Symmetry The symmetry of the Square waveform can be changed by pushing the DUTY CYCLE
5. arge bright LCD ranging units MHz KHz Hz and mHz and decimal point Waveform accuracy is 0 01 0 186 Hz Up to 10V p p into 500 20V p p into open circuit gt 20 dB continuously variable 20 dB dea 1 dB to 12 MHz Model 4013DDS Instruction Manual OFFSET RANGE iia ai Variable up to 10V 5V into 500 Absolute peak amplitude plus offset limited to 10V 5V into 500 OUTPUT IMPEDANCE curia ltd 500 OUTPUT PROTECTION The generator main output is non destructively protected against short circuit to ground or to any voltage practically available in electronic laboratories 1 3 5 Waveform Characteristics HARMONIC DISTORTION ne lt 55dBc 0 20 KHz lt 0 25 lt 50 dBc 20 KHz 100 KHz lt 45 dBc 100 KHz 1 MHz lt 35 dBc 1 MHz 12 MHz SPURIOUS suomi nee al lt 55 dBc 0 1 MHz TRIANGLE LINEARITY gt 99 to 100 KHz SQUARE TRANSITION TIMES i lt 20 ns 10 to 90 at full output amplitude terminated into 500 1 3 6 Inputs and Outputs SYNG OUT mundi tado pa TTL level square wave at generator frequency in phase with main output and 500 impedance Can drive gt 20 TTL loads 1 3 7 General OPERATING TEMPERATURE 0 C to 50 C POWER REQUIREMENTS i 100V 240V 10 48 66 Hz single phase lt 25 VA DIMENSIONS rinato aaa 8 4 inch 213 mm wide 8 3 inch 210 mm deep 3 5 inch 88 mm high without bumpers
6. ffset control 6 OFFSET Sets the DC offset level of the output waveform The maximum peak plus DC level is limited to 10V non terminated or clipping of the waveform will occur vi OUTPUT LEVEL Varies the amplitude of the selected waveform The range is over 20dB 8 20dB Attenuates the amplitude of the selected output waveform by 20 dB 9 DUTY CYCLE ON OFF Enables operation of the variable duty cycle function 10 DUTY CYCLE Adjusts after pressing the pushbutton the duty cycle of the Square waveform when selected 11 OUTPUT BNC connector for output of selected waveform 20V peak to peak into open circuit or 10V peak to peak into 50 ohms 12 SYNC OUT A square wave with TTL levels in phase with the main output Useful for synchronization of external devices 13 SWEEP The ON button turns on and off the sweep function as well as selecting the Linear Sweep or Logarithmic Sweep The SET selects the START and STOP frequencies of the sweep and the RATE repetition of the sweep selected Front Panel View BK PRECISION Model 4013DDS 12 Hz DDS SWEEP FUNCTION GENERATOR SWEEP av A ro on v ser SINE RAMP SQUARE RANGE DUTY CYCLE n OFFSET 2068 OUTPUT LEVEL or AER z aie SYNC OUT OUTPUT Re POWER m ma Model 4013DDS Instruction Manual 10 3 2 3 3 3 4 INSTRUMENT INPUTS AND OUTPUTS The Model 4013 main output impedance is 500 The output can deliver up to 10V peak to peak waveforms into a 500
7. he face for protection Use packing material around all sides of the container and seal it with tape bands Mark the box with FRAGILE INSTRUMENT MOUNTING The Model 4007DDS is intended for bench use The unit can be installed in a closed rack or test stand if proper airflow is assured for removing about 15W of power dissipation The instrument does not require special cooling when operated within conventional temperature limits The instrument includes a front feet tilt mechanism for optimum panel viewing angle POWER REQUIREMENTS The Model 4013DDS can operate from 115 230 Vac 50 60Hz The maximum power consumption is less than 25VA CAUTION Before connecting the line cord to the AC mains check the rear panel AC line voltage indicator Applying a line voltage other than the indicated voltage can destroy the AC line fuses For continued fire protection replace fuses only with those of the specified voltage and current ratings Use only fuses of 0 5A SLO BLO or IEC127 T type rated for 250V The ac line fuse is located in the Fuse Holder Assembly To access the fuse first disconnect the power cord and then remove the fuse cartridge GROUNDING REQUIREMENTS To minimize shock hazard the instrument chassis and cabinet must be connected to an electrical ground This instrument is grounded through the ground conductor of the supplied three conductor ac power cable The power cable must be plugged into an approved three conductor electr
8. ical outlet WARNING Do not alter the ground connection Without the protective ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mating plug of the power cable meet IEC safety standards Model 4013DDS Instruction Manual 2 6 SIGNAL CONNECTIONS Use RG 58 coaxial cables for all input and output signals to and from the unit 2 7 ACCEPTANCE CHECK This acceptance check is a general verification of generator operation Set the power on and allow a 15 minute warm up period Should a malfunction be found refer to the Technical Service information on page 6 of this manual 2 7 1 OutputLevel Connect an oscilloscope to the instrument output Set the Model 4007 controls as follows WAVEFORM SINE FREQUENCY 1 KHz OFFSET 00 aorta OFF ATTENUATOR OUT AMPLITUDE FULL CW DUTY CYCLE rinie OFF Observe a 20V peak to peak sine wave on the scope display Connect a 50 ohms feed through between the unit and an oscilloscope and verify a 10V peak to peak waveform on display Change the amplitude control position to decrease the output voltage Push the attenuator pushbutton and measure an attenuation factor of 10 for the 20 dB step Repeat paragraph 2 7 1 for triangle and square wave output 2 7 2 Offset Control With the set up of 2 7 1 push the offset control Rotate the offset knob fr
9. iginal packaging with proof of purchase to the address below Clearly state in writing the performance problem and return any leads probes connectors and accessories that you are using with the device Non Warranty Service Return the product in the original packaging to the address below Clearly state in writing the performance problem and return any leads probes connectors and accessories that you are using with the device Customers not on open account must include payment in the form of a money order or credit card For the most current repair charges please visit www bkprecision com and click on service repair Return all merchandise to B amp K Precision with pre paid shipping The flat rate repair charge for Non Warranty Service does not include return shipping Return shipping to locations in North American is included for Warranty Service only For overnight shipments and non North American shipping fees please contact B amp K Precision B amp K Precision 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 Include with the returned instrument your complete return shipping address contact name phone number and description of problem Contents Section 1 Introduction 12 A che Ade ee Git i te 5 1 3 SPECIFICATIONS o edo e e 5 dd TECNICA SUPPOR telaio 6 Section 2 Installation 2 1 NR Nene 7 2 3 INSTRUMENT CN 7 2 4 POWER REQUIREMENTS cccssssssssssssssessssseccsssessssssesssecessuecesnseces
10. ing the ON button a third time will turn the sweep function off 2 Press the Sweep SET Button to set the sweep start frequency 3 Use the RANGE Button amp the Main Frequency Control Knob to set the desired sweep start frequency 4 Press the Sweep SET Button to set the sweep stop frequency 5 Use the RANGE Button amp the Main Frequency Control Knob to set the desired sweep stop frequency 6 Press the Sweep SET Button to set the sweep rate 7 Use the RANGE Button amp the Main Frequency Control Knob to set the desired sweep rate 11 Model 4013DDS Instruction Manual V092612 12
11. ity It provides sine amp square wave outputs over the frequency range from 0 1 Hz to 12 MHz in one extended range triangle ramped wave outputs to I MHz An auxiliary TTL output at the generator frequency is available to synchronize external devices The output voltage can be varied from OV to 10V peak to peak into 50 ohms or to 20V into open circuit A front panel pushbutton can attenuate the output by 20 dB The DC level of the output can be adjusted using the offset control 1 3 SPECIFICATIONS 1 3 1 Waveforms Sine square and triangle waveforms 1 3 2 Operating Modes CONTINUOUS i 1 3 3 Frequency Characteristics RANGE rap lata ei sisi GONTFROL La diet as ile An DISPLAY ir da Bs Res 1 3 4 Output Characteristics AMPLITUDE RANGE eee teeters AMPLITUDE CONTROL ee eee AMPLITUDE ATTENUATOR eee AMPLITUDE FLATNESS 0 00 eee Output continuous at selected frequency Square symmetry is continuously adjustable from 15 to 85 The output waveform can be linear or logarithmic internally swept up or down over the full unit range The sweep start and stop frequencies can be independently adjusted and the sweep rate can be set from 100ms to 30s 0 2 Hz to 12 MHz for Sine and Square waveforms To 1 MHz for Triangle waveforms The frequency is selected with front panel up or down keys and modified with a rotary digital control Up to 4 digits with l
12. ive ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mating plug of the power cable meet IEC safety standards DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard KEEP AWAY FROM LIVE CIRCUITS Instrument covers must not be removed by operating personnel Component replacement and internal adjustments must be made by qualified maintenance personnel Disconnect the power cord before removing the instrument covers and replacing components Under certain conditions even with the power cable removed dangerous voltages may exist To avoid injuries always disconnect power and discharge circuits before touching them DO NOT SERVICE OR ADJUST ALONE Do not attempt any internal service or adjustment unless another person capable of rendering first aid and resuscitation is present Do not install substitute parts or perform any unauthorized modifications to this instrument Return the instrument to vendor for service and repair to ensure that safety features are maintained WARNINGS AND CAUTIONS WARNING and CAUTION statements such as the following examples denote a hazard and appear throughout this manual Follow all instructions contained in these statements A WARNING statement calls attention to an ope
13. load Proper signal loading and connection is necessary for the generator main output to meet its specifications An RG 58 coaxial cable equipped with BNC connectors and terminated with a 500 feed through termination is recommended Using the 500 terminator minimizes signal reflection and power losses on the line due to the impedance mismatch At higher frequencies an un terminated or improperly terminated output will cause aberrations on the output waveform Impedance Matching If the waveform generator is driving a high impedance such as the 1 MQ input impedance of an oscilloscope vertical input connect the transmission line to a 50 ohms attenuator or a 50 ohms termination and to the oscilloscope input The attenuator isolates the input capacitance of the device and terminates the waveform generator properly SYNC OUTPUT A square wave output signal at the main output frequency is available at this output producing TTL levels with a 500 source impedance This output is protected from short circuit and can drive a minimum of 20 TTL loads Leads connected to the SYNC OUT should be as short as possible to prevent rounding of the TTL pulse The SYNC output signal symmetry is changed by using the DUTY CYCLE control for all selected waveforms FIRST TIME OPERATION The following exercise will familiarize the operator with most functions of the Model 4013 function generator Preset the controls as follows WAVEFORM _ SINE D
14. om full CCW to full CW and observe a waveform change from negative to positive level The maximum DC plus peak is limit to 10V un terminated or 5V 50 ohms terminated 2 7 3 Frequency Connect a counter to the instrument output Set the instrument controls as follows WAVEFORM _ SINE OFFESE Poia ni OFF ATTENUATOR OUT AMPLITUDE MIDRANGE DUTY CYCLE OFF Change the frequency and range and read the counter indications The reading should fall between instrument specifications 2 7 4 Sync Output Connect the scope to the SYNC output Use the set up of paragraph 2 7 1 Observe a square wave of no less than 2V amplitude and with 50 symmetry 2 7 5 Symmetry With the set up of paragraph 2 7 1 select Square waveform and push the DUTY CYCLE ON control Rotate the DUTY CYCLE knob from full CCW to CW and observe a waveform symmetry change Section 3 Operating Instructions 3 1 CONTROLS AND CONNECTORS Front panel controls and connectors are shown in the front view illustration of the Model 4013 Each operating control is described as follows 1 POWER ON OFF Applies or removes AC power to the unit 2 FREQUENCY Selects the frequency of the output waveform 3 RANGE SWITCHES Multiply or divide by 10 the selected frequency for faster setting 4 WAVEFORM Select Sine Triangle and Square output di OFFSET ON OFF Enables operation of the o
15. rating procedure practice or condition which if not followed correctly could result in injury or death to personnel A CAUTION statement calls attention to an operating procedure practice or condition which if not followed correctly could result in damage to or destruction of part or all of the product WARNING Do not alter the ground connection Without the protective ground connection all accessible conductive parts including control knobs can render an electric shock The power jack and mating plug of the power cable meet IEC safety standards WARNING To avoid electrical shock hazard disconnect power cord before removing covers Refer servicing to qualified personnel CAUTION Before connecting the line cord to the AC mains check the rear panel AC line voltage indicator Applying a line voltage other than the indicated voltage can destroy the AC line fuses For continued fire protection replace fuses only with those of the specified voltage and current ratings 1 1 SCOPE Section 1 Introduction This manual contains installation instructions test procedures operation procedures and troubleshooting information required to operate test and maintain the Model 4013DDS Function Generator 1 2 DESCRIPTION The Model 4013DDS is a versatile high performance function generator Implemented using advance digital technologies based on DDS topology the unit generate superb quality waveforms with high precision and stabil
16. sscessssccesseceesseees 7 2 5 GROUNDING REQUIREMENTS ciiiiieeiiiine 7 2 6 SIGNAL CONNECTIONS do 8 27 ACCEPTANCE CHECK ione ala 8 Section 3 Operating Instructions 3 1 CONTROLS AND CONNECTORS e tats 9 3 2 INSTRUMENT INPUTS AND OUTPUTS iiine 10 3 4 FIRST TIME PRAT a la ea 10 3 5 DETAILED OPERATING INSTRUCTIONS ccii 11 Model 4013DDS Instruction Manual Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of operation service and repair of this instrument Before applying power follow the installation instructions and become familiar with the operating instructions for this instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the instrument B amp K assumes no liability for a customers failure to comply with these requirements This is a Safety Class I instrument GROUND THE INSTRUMENT To minimize shock hazard the instrument chassis and cabinet must be connected to an electrical ground This instrument is grounded through the ground conductor of the supplied three conductor ac power cable The power cable must be plugged into an approved three conductor electrical outlet Do not alter the ground connection Without the protect
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