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1. EXT INPUT X20 1M9 CATIE 1 Push the power switch and make sure that the LEDs of the 5 digits lit 2 Connect OUTPUT BNC 4 of SWF 8030 to the CH1 input BNC of the oscilloscope and the SYNC OUTPUT BNC 5 to CH2 and set the trigger source of the oscil loscope at CH2 3 Turn the FREQUENCY knob 6 from 0 05 to 3 0 The LED display and the oscil loscope waveform will change slightly on each step 4 Turn the RANGE knob 7 from 10 to 1M The LED display will change 10 times on each step and the oscilloscope frequency will vary correspondingly 5 Turn the FUNCTION knob 8 to select the waveform output to CH1 of the oscil loscope CH2 will always be a TTL square wave 6 Turn the AMPL knob 9 to adjust the amplitude of the signal output to CH1 Pull out the knob the amplitude of CH1 will be reduced 10 times 20dB but CH2 Sync output signal will remain unchanged 7 the OFFSET knob 10 the display on the oscilloscope will be unchanged Pull out the knob The display of CH1 on the oscilloscope will now be affected by the DC offset voltage as controlled from 10V to 10V by turning the knob The CH2 display will be unaffected 10 OPERATING INSTRUCTIONS B SWEEP GENERATOR CIRCUIT TEST RANGE 12 N OFFSET AMPL MZ AMA Hz d YA i yt FCR Jhb NJ PULL ADJ PULL 20dB COUPLING SYNC EXT INPUT
2. 8 MAIN OUTPUT Output Impedance 50Q lt 2 Accuracy Max Output 20Vp p No load 1Vp p 10Vp p 500 load 0 5Vp p Min output 0 1Vp p No load or 0 05Vp p 500 load Attenuator One 20dB lt 2 Accuracy 9 SYNCHRONOUS OUTPUT Output Impedance 50Q lt 2 Accuracy Output Level TTL level gt 3Vp p fixed amplitude Fan out gt 20 Rise Time lt 30ns 10 VCF INPUT Input Voltage 0 10V Input Frequency DC 1 KHz Input Frequency 1 1 to 1 1000 Variance SPECIFICATIONS 11 SWEEP SYNCHRONOUS OUTPUT Output Impedance Output Waveform Output Amplitude Output Frequency 1 KHz lt 2 Linear or Log Sweep Ramp Wave 10Vp p No load or 5Vp p 1KQ load 0 2Hz 100Hz continuous adjustment 12 SWEEP GENERATOR Sweep Form Sweep Speed Sweep Width 13 COUNTER Display Max Resolution Display unit Time base Temperature coefficient Accuracy Power Supply INTERNAL COUNTER Range Display Gate time Min display digits EXTERNAL COUNTER Max Input Voltage Input Impedance Input Frequency Coupling Min display digits Gate Time Sensitivity Linear or Log switchable 5sec 10ms continuous adjustment 1 1 1 100 5 digits 0 36 red LED display 0 001Hz Hz KHz Auto range 20MHz lt 10ppm C lt 0 002 5V 160mA Auto range with 4 resolutions 0 001Hz 0 01Hz 0 001 KHz 0 01KHz auto controlled by CPU 0 500Hz 3000 0 KHz auto select by CPU
3. TRIGGER pc coni OUTPUT OUTPUT NN y 1 2 1 S 250Vrms PULL pe EXT INPUT X20 1 0 CATIE TER 9 1 i 1 Switch on the SWF 8030 and the 5 digit LED display lights up 2 Connect the main OUTPUT BNC 4 to the CH1 input BNC of the oscilloscope the SWEEP OUTPUT BNC 5 to CH2 input BNC of the oscilloscope and set the trigger source of the oscilloscope at CH2 3 Turn the SWEEP RATE 6 CH2 of the oscilloscope will display linear saw tooth wave frequency can be varied from 5sec to 10mS CH1 will display the wave ing to the FUNCTION switch position PULL out the knob to set SWEEP ON The waveform of CH2 will remain unchanged but the displayed frequency can be varied by turning the frequency knobs The display of CH1 will be a sweep wave and the sweep speed will depend on the sweep rate NOTE After PULL SWEEP ON the trigger source of the oscilloscope must be changed from CH2 to CH1 4 Turn the SWEEP WIDTH 7 to adjust the sweep width according to the display of CH1 Set the FREQUENCY knob at 0 05 to have the maximum sweep width gt 100 times It is most commonly used when doing audio or circuit bandwidth testing PULL out knob the sweep mode will change from linear sweep to Log sweep The waveform displayed on 1 will be log form 5 The AMPL 8 and FUNCTION 10 knobs will operate normally 6 Before activating sweep mode the frequency displayed on the 5 LED
4. Never place heavy objects on the instrument Never place a hot soldering iron on or near the instrument Never insert wires pins or other metal objects into the ventilation fan Do not obstruct the ventilation holes in the rear panel as this will increase the internal temperature Never move or pull the instrument with the power cord or a probe cord Never move instrument when the power cord or a signal probe is connected to a circuit Remove any dirt dust and grime whenever they become noticeable Dirt on the outside covers can be removed with a soft cloth moistened with a mild cleaning solution FUSE REPLACEMENT If the fuse blows the LED will not light and the instrument will not operate Replace only with the correct value fuse The fuse is located on the rear panel adjacent to the power cord receptacle Remove the fuse holder assembly as follows 1 Unplug the AC power cord from rear of instrument 2 Insert a small screwdriver in fuse holder slot located between fuse holder and receptacle and pry the fuse holder away from receptacle 3 When re installing the fuse holder make sure the fuse is installed so that the correct line voltage is selected LIMITED WARRANTY Circuit Test Electronics warrants to the original purchaser that this product be free of defect in material or workmanship for a period of 2 years from the date of purchase Any product which has been subjected to misuse or accidental damage is excluded from
5. the warranty Except as stated above Circuit Test Electronics makes no promises or warranties either expressed or implied including warranties of merchantability or the fitness for any particular purpose M SWF 8030 03914 14
6. to adjust the DC offset voltage 8 SWEEP RATE Turnthis knob to adjustthe sweep rate from 5sec to 25ms the sweep output is BNC 4 If this knob is pulled out then the main output 5 and sweep output 4 are synchronous 9 SWEEP WIDTH Turn this knob to adjust the sweep width Push in for a linear sweep pull out for a log sweep Knob 8 must be pulled out or this control is disabled 10 FUNCTION WAVE SELECTOR Turn this to select the output waveform 11 FREQUENCY RANGE Main adjustment of the frequency The output frequency will be 10 times on each step changed The frequency of the output signal is the product of the scale indicated by 2 and 11 12 Hz Lit LED means the display units Hz 13 KHz Lit LED means the display units are KHz 8 FRONT PANEL DESCRIPTION 14 LED DIGITS 5 digits to indicate frequency generated or EXT input The units will be indicated by 12 or 13 selected by the CPU automatically 15 EXT TRIG The green LED indicates trigger condition LED Lit Trigger level too high LED Dark Trigger level too low LED Flashing Triggering state 16 COUPLING Indicates the source of the frequency display by 14 INT Displays the frequency of the signal generated EXT AC HF Displays the external input high frequency signal Set at this posi tion to strain out DC signal and low frequency harmonic signals Input will be only the expected high frequency signal EXT DC
7. 030 and the 5 digit LED display lights up 2 Connect the main OUTPUT BNC 3 to the CH1 input BNC of the Oscilloscope 3 Connect the SYNC output 4 to CH2 and set the trigger source of the Oscilloscope on CH2 4 Set the FUNCTION knob 5 on a positive pulse position 5 Set the FREQUENCY 7 and RANGE 6 to the desired frequency displayed on the LED 2 6 Pulse width the pulse width equals 1596 of the total period of the output signal If the frequency is in Hz then the pulse width will be in sec If the frequency is in KHz then pulse width will be in mS etc EXAMPLE If the frequency displayed is 1 KHz then the pulse width 2 1 1 KHz 15 0 15mS 7 Setthe FUNCTION knob on negative pulse position and similarly test the negative pulse 8 Turn the AMPL 9 to adjust the amplitude of the signal output from the main output BNC 3 This signal will be 20dB when the knob 9 is pulled out The signal output from SYNC output BNC 4 will not be affected by this knob and will always be a TTL level 9 Set the DC offset voltage by pulling out the OFFSET knob 10 and turning it to adjust the DC offset voltage from 10V to 10V as desired 12 OPERATING INSTRUCTIONS D FREQUENCY COUNTER CIRCUIT TEST RANGE FUNCTION SWF 8030 1K 10m EXT ike lt TRIG D FREQUENCY COUPLING EXT INPUT VCF RATE OFFSET AMPL O Q PULL ADJ PULL 20dB W
8. IDTH SWEEP jINT TRIGGER INPUT OUTPUT OUTPUT OUTPUT DC 60MHz 1 N 25 EXT 2 1 Sale AC 2 E M EE Dr 3 0 LEU Jext PULL 0 10V 500 POWER 05 a EXT INPUT X20 1M CATIE D Switch on the SWF 8030 and the 5 digit LED display lights up COUPLING 3 The frequency counter has 3 coupling options a INT To be used with the internal function generator 0 5Hz to 3MHz b EXT AC HF To be used with an external high frequency 100 KHz to 60 2 signal c EXT DC LF To be used with an external low frequency 0 2Hz to 100 KHz signal Connect the EXT INPUT BNC 4 to the external signal source Setthe TRIG level 5 to meet the input signal If the input signal is very large pull out the knob PULL INPUT x20 to have stable counting Max input is 20Vp p or 600Vp p with x20 engaged EXT TRIG D 6 The green LED will indicate the operating condition of the SWF 8030 LED LIT the trigger level is higher than the input signal LED DARK the trigger level is lower than the input signal LED FLASH normal triggering Display unit 7 The SWF 8030 will be on Hz or KHz automatically controlled by the CPU 13 MAINTENANCE GENERAL MAINTENANCE Clean and recalibrate the instrument on a regular basis to keep the instrument working well
9. LF 100KHz Filter Displays the external input low frequency signal Set at this position to strain out signals higher than 100 KHz and make the low frequency signal more stable 17 TRIGGER INPUT Trigger level adjustment from 2V to 2V When this knob is pulled out the input signal will be attenuated 20 times thus the input voltage can be 250Vp p Max 18 EXT INPUT External signal input BNC Input frequency 0 2Hz to 60MHz and Max input voltage is 250Vp p when 17 is at PULL position 19 VCF INPUT External input DC signal used to control the frequency generated External input AC sweep signal to use it as an External sweep External input AC sine wave to use it as frequency modulation Input signal 0 10V 1 KHz Input impedance 1KQ OPERATING INSTRUCTIONS A WARNING Before applying power to SWF 8030 make sure correct input voltage has been selected CAUTION All the knobs on the SWF 8030 are set at push position unless specially marked pull A FUNCTION GENERATOR CIRCUIT TEST RANGE FUNCTION SWF 8030 1 1K N U H D EXT L J TRIG D FREQUENCY OFFSET AMPL LN Vo 2 PULL ADJ PULL 20dB o PULL PULL LOG SWEEP SWEEP ON SYNC OUTPUT OUTPUT COUPLING INPUT INT TRIGGER Decent EXT ff CON ac Ld VJ PULL ZXS 250Vrms
10. USER S MANUAL Sweep Function Generator with Counter SWF 8030 CIRCUIT TEST ELECTRONICS www circuittest com TABLE OF CONTENTS INTRODUC FION 4 SPECIFICA TIONS 5 FRONT PANEL DESCRIP 8 OPERATING INSTRUCTIONS 10 DU Mena UM UN ME 14 SAFETY INFORMATION Caution and proper guidelines must be followed for personal and product safety Read this instruction manual carefully before using the instrument CAUTION This instrumentcan operate on 115VAC or 230VAC Before connecting the AC power plug to an AC line outlet be sure to check that the voltage selector plug is set in the correct position corresponding to the line voltage The instrument may not operate properly or may get damaged if it is connected to incorrect AC line voltage Whenever line voltage is changed fuse must be replaced with appropriate correct value SELECTOR LINE VOLTAGE FUSE 115V 100 125V 50 60Hz 600mA 230V 220 240V 50 60Hz 300mA This instrument has been designed for indoor use only Operating temperature of this instrument is 10 C to 40 C 50 F to 104 F Operation outside of this temperature range may cause damage to the circuits Do not use this instrument in a place where strong magne
11. Variable 0 25sec 2sec auto setting 4 digits 250Vrms 1MQ 2 0 2Hz 60MHz AC HF For 2100 KHz frequency DC LF With 100 KHz filter for frequency 100 KHz 4 digits 0 25sec 10sec auto setting depends on the input frequency lt 30mVrms 1MHz et FRONT PANEL DESCRIPTION 194302 CIRCUIT TEST pui N SUA PULL ADJ PULL 20dB EM COUPLING EXT INPUT WB Y INT TRIGGER DC 60MHz 10 ean EXT 7 f gt A ac dl m ol Jext 250Vrms PULL EXT INPUT X20 1MQ CATI 1 POWER SWITCH Push the switch ON and the LED digits 14 will light to indicate power ON 2 FREQUENCY Turn this knob to set the desired frequency generated This knob is for fine adjustment 3 SYNC OUTPUT Synchronous Output A TTL level Square wave output with same frequency as the Main output BNC 4 SWEEP OUTPUT Sweep signal output BNC It will operate individually whether the instrument was under sweep mode operation or not 5 MAIN OUTPUT Function wave output BNC Output impedance is 500 maximum amplitude is 20Vp p for no load and 10Vp p for 500 load 6 AMPLITUDE Turn the knob to adjust the output signal amplitude Pull out the knob to attenuate the output 10 times This affects the Main output 5 signal only 7 DC OFFSET The knob controls the bias circuit it is set at OFF position in normal use Pull ON and turn
12. digits is the generator s and this will be the start frequency After PULL SWEEP ON the sweep condition including frequency waveform and sweep mode etc will be observed on the CRT of the oscilloscope The LED display on the SWF 8030 will vary continu ously 7 VCF INPUT 11 Set the sweep rate switch at PUSH position to set SWF 8030 to normal generator mode Connect the sweep output BNC to VCF INPUT BNC and check the waveform displayed on the scope CH1 The waveform displayed will be the sweep wave When the VCF input is a sine wave from another generator the SWF 8030 output will be frequency modulated Be sure the frequency of the basic wave SWF 8030 output is higher than the external input signal 11 OPERATING INSTRUCTIONS C PULSE GENERATOR T 1 CIRCUIT TEST RANGE FUNCTION SWF 8030 100 Ae v Ve L WIDTH RATE OFFSET AMPL NA ANM N SON N m Cow M C f IY PULL PULL PULL ADJ PULL 20dB 106 SWEEP SWEEP ON EXT X TRIG D gt a 2 KMz FREQUENCY EXT INPUT VCF SWEEP SYNC ING INT TRIGGER 1 5 Y DC 60MHz INPUT OUTPUT OUTPUT OUTPUT 1 gt PN US OY O O 5 2 lt ac A 7 3 0 LF PULL 250Vrms 0 10V T so POWER 0 1 0 0 EXT INPUT X20 1 0 CATIE 1 Switch on the SWF 8
13. quare Triangle Ramp Positive Pulse and Negative Pulse 0 1 15minutes after power on 0 2 24hrs after power on AC 115V 410 50 60HZ FUSE 600mA AC 230V 10 50 60HZ FUSE 300mA 25W 0 C 40 C 10 80 R H 20 C 70 C 0 90 R H DC 12V 100mA Fan 275 x 90 x 300 mm 2 5Kg Net Power cord Instruction Manual 0 5Hz 2 5MHz 5 digit LED display Max resolution 0 001Hz 80 Rise wave to 20 Fall wave lt 5 1Hz 100 KHz 2 1Hz 100 KHz 3 TRIANGLE WAVE Frequency Symmetry 4 SINE WAVE Frequency Distortion Harmonic Ratio Frequency Response 0 5Hz 5 digit LED display Max resolution 0 001Hz 50 Rise wave to 50 Fall wave lt 2 1Hz 100 KHz 0 5Hz 5 digit LED display Max resolution 0 001Hz 296 1Hz 100 KHz lt 30dB 100 KHz 3MHz lt 0 1dB up to 100 KHz lt 1dB 100 KHz to 3MHz 5 SPECIFICATIONS 5 SQUARE WAVE Frequency 0 5Hz 3MHz 5 digit LED display Max resolution 0 001Hz Symmetry 50 Positive half to 50 Negative half lt 2 1Hz 100 KHz Rise Time lt 60 5 6 POSITIVE PULSE Frequency 0 5Hz 2 5MHz 5 digit LED display Width 0 4sec 100ns continuous adjustment Symmetry 20 to 80 lt 5 1Hz 100 KHz Rise Time lt 60 5 7 NEGATIVE PULSE Frequency 0 5Hz 2 5MHz 5 digit LED display Max resolution 0 001 Hz Width 0 4sec 100ns Symmetry 80 to 20 lt 5 1Hz 100 KHz Fall Time lt 60 5
14. s 6 waveforms selected by rotary switch Maximum output 20Vp p No load and Minimum output 0 1Vp p No load Pulse Generator SWF 8030 provides positive pulse and negative pulse output Maximum output 20Vp p No load Frequency is displayed by LEDs pulse width is from 0 45 to 100ns ideal for most Audio Video and other basic electronic circuit applications Sweep Generator SWF 8030 provides linear sweep or log sweep selection switch to select the sweep mode Maximum sweep width is 1 100 and sweep speed is from 5sec to 10ms The SWF 8030 also provides VCF input and synchronous output function Frequency Counter The SWF 8030 has a 5 digit micro controlled counter SWF 8030 features auto ranging auto gate time high resolution 0 001Hz high input impedance 1MQ high bandwidth 0 2Hz 60MHz SWF 8030 also provides triggering features such as an adjustable trigger 2 5V with LED indicator AC DC selector 100KHz filter and input attenuator input x20 for 300Vrms high voltage signal The unit will also display the frequency of the signal produced by the function generator SPECIFICATIONS 1 GENERAL SPECIFICATIONS Frequency Output Waveform Stability Power source Power Consumption Operating Temperature Storage Temperature Cooling Dimensions Weight Accessories 2 RAMP WAVE Frequency Symmetry Rise Wave Linearity 0 5Hz 3MHz with 5 digit LED display Max resolution 0 001Hz Sine S
15. tic or electric fields exist Such fields may adversely affect the measurements If the instrument is used in a manner not specified by the manufacturer then protection mechanisms built into the instrument may not function properly WARNING The following precautions must be observed to help prevent electric shock 1 When the instrument is used to make measurements where high voltages are pres ent there is always a certain amount of danger from electrical shock The person using the instrument in such condition should be a qualified electronics technician or otherwise trained and qualified to work in such circumstances 2 The ground wire of the 3 wire AC power plug places the chassis and housing of the instrument at earth ground Use only a 3 wire outlet and do not attempt to defeat the ground wire connection or float the instrument since doing so may pose a great safety hazard 3 Never apply external voltage to the output BNC of the instrument 4 Excessive voltage applied to the BNC may damage the instrument 5 Do not operate the instrument with the cover removed unless by a qualified service technician INTRODUCTION DESCRIPTION The SWF 8030 is a highly reliable 3 MHz sweep function generator combined with a 60MHz counter Rugged and easy to use with many convenient features make it ideal for the hobbyist educational manufacturing or R amp D laboratories FEATURES Function Generator SWF 8030 provide

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