EC Declaration of Conformity GFG-8210
Contents
1. 1 1 2 22 2 5 3 6 6 4 FUNCTION 2 2 4 1 5 USAGE 14 6 APPLICATION 20 7 30 FUNCTION GENERATOR USER MANUAL 1 SAFETY TERMS AND SYMBOLS Please take a moment to review these safety terms and symbols which may appear in this manual or on Equipment to prevent damage to the Function Generators WARNING Warning statements identify condition practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property FUNCTION GENERATOR USER MANUAL DANGER High Voltage ATTENTION refer to Manual Protective Conductor Terminal IF e ground Earth Terminal Frame or Chassis Terminal FUNCTION GENERATOR USER MANUAL FOR UNITED KINGDOM ONLY NOTE This lead appliance must only be wired by competent persons WARNING THIS APPLIANCE MUST BE EARTHED MPORTANT The wires in this lead are coloured in accordance with the following code Green Yellow Earth Blu2. p X 11 01107 ee ENS MEN 100 1k 10k FREQUENCY Hz CORRESPONDENT RESPONSE LE 20 16 ds 10 En 28 FUNCTION GENERATOR USER MANUAL FIGURE 11 FUNCTION GENERATOR 29 FUNCTION GENERATOR FUNCTION GENERATOR USER MANUAL USER MANUAL CCC SS 7 MAINTENANCE 7 2 Fuse Replacement Procedure The following instructions are used by qualified person only To avoid When you proceed calibration or maintenance of the Function electrical shock do not perform any service other than contained in the Generators if you want to replace the fuse the upper cover must be operation instructions unless you are qualified to do so removed according to the following steps 7 1 Fuse Rating and type 1 The handle must be turned downward 90 degrees first If the fuse blows the FUNCTION GENERATOR will not operate Try to determine and correct the cause of the blown fuse then replace the fuse with the correct rating and type shown below FUSE Rating and Type LISV 230 2 GFG8210 T0 25A 250 0 125 250V 2 28 WARNING For continued fire protection replace only with a 250V fuse of the specified type and rating and disconnect the power cord before proceeding fuse replacement 30 31 FUNCTION GENERATOR USER MANUAL 2 Pull apart the handle from the Function Generator Please turn the handle left
3. A Trouble shooting using signal tracing method This method is similar to signal replacing way The signal of model will be fixedly sent to input terminal Observing its signal wave on the oscilloscope from front stage to rear stage orderly until appear a signal with normal input but with abnormal output B Use as bias source and signal source circuit Utilize the Figure 4 of connecting type which can provide bias of a transistor and signal input The output waveform can be observed from oscilloscope Adjust to the best condition with output max amplitude and no distortion Adjust DC OFFSET to see the different effect of different bias condition C Amplifier over load characteristics The Sine wave input will be different from output the overload point Using Triangle wave will easily observe the display of oscilloscope It can decide the linear range of output waveform And the largest no distortion output amplitude 20 FUNCTION GENERATOR USER MANUAL D Using the Square wave test the characteristics of amplifier circuit E It can t actually explain the transient response of amplifier by using Sine wave for the frequency response curve observation but using the high order poly wave Square wave instead to display its waveform from the oscilloscope can show up many characteristics of amplifier a Using the circuit of figure 5 the 50Q connector trim the oscillation effect of Square wave b Use the ou
4. The GFG 8210 Function Generator is a stable low distortion instrument which generate signals in the frequency range up to 10MHz Typical applications include a wide range of audio response testing applications vibration testing servo system evaluation ultra sound applications and etc The instrument includes the following features logarithmic and linear sweep capabilities together with a built in frequency counter The sweep capability simplifies the task of finding resonant points of speakers filter networks and other networks structures An oscilloscope may be connected to this instrument for the response to be displayed counter can be switched to measure and display the frequency of an external signal up to 150MHz ADDITIONAL FEATURES 1 Low distortion waveforms sine triangular and square 2 Signal output in eight decade stages 0 1Hz to 1OMHz 3 Adjustable sweep time and sweep width both in linear and logarithmic modes 4 Duty cycle control with signal inversion capability 5 External Voltage controlled Frequency VCF 6 A second output for TTL or adjustable CMOS pulses 7 50 ohm main signal output with DC offset adjustment and 20dB attenuation capability 8 Supplied with two BNC test leads and AC power cord set FUNCTION GENERATOR USER MANUAL CONECTA EG NC RC NN NK Sa 3 SPECIFICATION 20 requency Range Amplitude Impedance Attenuator DC Offset 5V 5V into 500 load Duty
5. current frequency value Indicate the current Gate time external counter mode use only To select the required frequency range by pressing the relevant push button on the panel as shown in Table 1 1Hz 10Hz 100Hz IkHz 10kHz 100 2 10Hz 100Hz IkHz 10kHz 100kHz l MHz 10M 11 FUNCTION GENERATOR USER MANUAL 10 11 12 12a 13 Function Selector Press one of the three push buttons to select the desire output waveform Pull out and rotate the knob to adjust the duty cycle of the waveform Square wave only Duty Function TTL CMOS Selector When push in the knob the BNC terminal of 17 win output a TTL compatible waveform If pull out and rotate the knob can adjust the CMOS compatible output 5 15Vpp from the output of BNC DC Offset Control Pull out the knob to select any DC level of the waveform between 10V turn clockwise to set a positive DC level waveform and invert for a negative DC level waveform Output Amplitude Turn clockwise for MAX output and invert for a 20dB Control with output Pull the knob out for an additional 20dB output Attenuation attenuation Operation 20dB Attenuation Press the knob to adjust a 20dB output SWEEP ON Selector Press and turn clockwise the knob for MAX frequency and Frequency and invert for MIN frequency outer knob is for coarse Adjustment adjustment and internal knob is for fine adjustment Sweep On Off Pull out the knob
6. network It also can get the resonant frequency of network a Connect the device under test as in Figure 8 can use oscilloscope in stead of voltmeter b When use voltmeter adjust the frequency of instrument record down voltage relative to frequency c When testing speaker if there is a peak volt value when in low freq this must be the resonant freq of this speaker see Figure 10 Whether installation may cause any effect to this frequency or not The proper design of caseinstallation will cause two small ramps on both sides of this sharp ramp d In testing other impedance network the resonant may not occur 22 FUNCTION GENERATOR USER MANUAL in low frequency But in approaching the resonant frequency there are still increasing in voltage then the impedance can be tested as following 1 Series connect a R1 to the network under test as in Figure 9 2 Get voltage read out in El E2 adjust R1 until E2 is equal to one half of E1 3 Under this frequency the impedance network is the same as the G Act as automatic test of speaker Because there provide the auto feature in this equipment the output can drive to amplifier for testing the frequency response of speaker a Set Auto Manual to Auto position b Set function to Sine wave c Set Range to 20kHz d Sweep mode LIN LOG sweep width sweep time can be set in any value e The line connected is showed in Figure 11 23 FUNCTI
7. to start the auto sweep operation the upper frequency limit is determined by the knob position 12 FUNCTION GENERATOR USER MANUAL 14 15 16 17 18 19 20 Sweep Time 1 Rotate the outer knob clockwise to adjust sweep time Control and for MAX or invert for MIN LIN LOG 2 Rotate the outer knob clockwise to adjust sweep width Selector can control 0 to 100 times 3 To proceed Linear sweep mode by pushing in the knob or select LOG sweep mode by pulling out the knob INT EXT Counter Select internal counter mode count the frequency of Selector model or select EXT counter mode for an independent counter input signal from BNC EXT Counter Input Terminal Accepts external signals for measurement TTL CMOS Output Terminal TTL CMOS compatible signal output VCF IN Sweep 1 to connect the input voltage required to perform Out Terminal the voltage control frequency operation or the EXT modulation operation 2 In Sweep mode this terminal will output sweep signal Main Output Terminal Main signal output Power Switch 115V and 230 selectable 13 FUNCTION GENERATOR USER MANUAL a 5 USAGE DESCRIPTION These function generator can provide versatile waveforms of high efficiency and convenient operation Familiarize yourselves with the function thoroughly through Operation Manual and practice with all accurate operation procedures can lead you to easily master the perfor
8. 251 W x91 H x291 D m m FUNCTION GENERATOR USER MANUAL Bl WARNING To avoid electrical shock the power cord protective grounding conductor must be connected to ground CAUTION To avoid damaging the instrument do not use itin a place where ambient temperature exceeds 40 C CAUTION To avoid damaging the instrument do not input more than DC15V to V C F V C G CAUTION To avoid damaging the instrument do not input more than AC150V to Frequency Counteis FUNCTION GENERATOR USER MANUAL Fig 4 1 FRONT PANEL FUNCTION GENERATOR USER MANUAL Fig 4 2 REAR PANEL 10 FUNCTION GENERATOR USER MANUAL 4 FUNCTION DESCRIPTION 2a Power Switch Gate Time Indicator Gate Time Selector Over Indicator Counter Display Frequency Indicator Gate Time Indicator Frequency Range Selector 13Hz 1Hz Connect the AC power then press power switch Press the power switch Gate time indicator will start to flash the gate time of internal counter is 0 01 second Press this key to change gate time when use external counter mode The change order is according to 0 01s 0 1s 1s 10s cycle by pressing these keys In the external counter mode the indicator is illuminated when the output frequency is greater than the range selected Shows the external frequency by 6x0 3 green display and shows the internal frequency by 5x0 3 green display Indicate the
9. 5 3 Pulse wave generation 1 First press the key dL of Function then select Range and rotate FREQ e3 to set required frequency range 2 Connect output terminal 19 to oscilloscope for observing output signal 3 Pull out and rotate Duty to adjust the width of pulse waveform 4 Adjust AMPL 3 knob to control pulse amplitude 5 Pull out AMPL knob to get 20dB attenuation of output 5 4 Ramp wave generation 1 First press the key of Function then select Range rotate FEEQ 3 switch to set required frequency ran ge 2 Connect output terminal 19 to oscilloscope for observing output signal 3 Pull out and rotate DUTY to adjust the slope of ramp waveform 4 Adjust AMPL 3 knob to control output amplitude of ramp waveform 5 Pull out AMPL knob to obtain 204 attenuation of output 5 5 TTL CMOS signal output 1 First select Range 2 rotate FREQ 3 to set required frequency range 2 Connect BNC connector of TTL CMOS 7 to oscilloscope or to other experiment circuit for observing output signal 3 At this moment output is square waveform fixing to TTL level Suits for general TTL integrated circuit 4 If square waveform of CMOS level is required can pull out CMOS 16 FUNCTION GENERATOR USER MANUAL knob to adjust voltage level 5 6 Variation of external voltage controlled frequency This mode of operation allows the user to adjust the frequency of the function generator with a
10. Control 15 85 15 to MHz Continued variable square wave only Display 6 digits LED display 2 Sine Wave Distortion 10 typical 396 max at 1kHz Flatness 30 45dB 45 Triangle Wave inear gt 98 to 100kHz Square Wave ymmetry 1Hz 100kHz z3 Rise time CMOS Outpu ax Frequency evel lt 4Vpp 14 5Vpp30 5Vpp adjustable Rise or Fall Time S 120ns TTL Output evel 3Vpp Rise or Fall Time S 20ns Input voltage OV 10V 100 1 Input Impedance 10kQ 0 FUNCTION GENERATOR USER MANUAL GFC 8210 Sweep Operation Sweep Manual Switch selector weep Rate 100 1 ratio max and adjustable Sweep Time 0 5Sec 30Sec adjustable Sweep Mode Lin Log switch selector Sweep Out 0 104 Frequency Counter Int Ext Switch selector Range 0 1Hz 10MHz 5Hz 150MHz EXT Accuracy Time base accuracy count Time Base 320ppm 23 C45 C after 30 minutes warm up The maximum resolution is 100nHz for 1Hz and 1Hz for 100MHz Input Impedance 1MQ 150nF lt 35mVrms 5Hz 100MHz 45mVrms 100MHz 150MHz Resolution Sensitivity 0 General 115 230V38 5 50 60Hz Indoor use altitude up to 2000m Ambient Temperature 0 C to 40 Relative Humidity 80 Maximum Installation category 1I Pollution Degree 2 Storage temperature 10 C to 70 C amp Humidity 70 Maximum A GTL 101 2 ccessories Instruction manual 1
11. FUNCTION GENERATOR USER MANUAL SE M LLL ELLLLLLML J EC Declaration of Conformity We GOOD WILL INSTRUMENT CO LTD 1 No 95 11 Pao Chung Rd Hsin Tien City Taipei Hsien Taiwan 2 Plot 522 Lorong Perusahaan Baru 3 Prai Industrial Estate 13600 Prai Penang Malaysia declares that the below mentioned product GFG 8210 is herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States relating to Electromagnetic Compatibility 89 366 EEC 92 31 EEC 93 68 EEC and Low Voltage Equipment Directive 73 23 EEC For the evaluation regarding the Electromagnetic Compatibility and Low Voltage Equipment Directive the following standards were applied EMC Directive 89 366 EEC amended by 92 31 EEC 93 68 EEC N 50081 2 1992 EN 50082 2 1992 lectromagnetic Compatibility Generic Electromagnetic Compatibility Generic mission Standard Immunity Standard art 2 Industrial environment Part 2 Industrial environment i issi Electrostatic Discharge 61000 3 2 1995 EN 61000 4 3 1996 1 Electrical Fast Transients N 61000 3 3 1995 61000 4 4 1995 61000 4 5 1995 Voltage Dips Interrupts Low Voltage Equipment Directive 73 23 EEC amp amended by 93 68 EEC Safety Requirements 61010 1 1990 1 1992 2 1995 EN 61010 1 1993 2 1995 FUNCTION GENERATOR USER MANUAL 84 TABLE CONTENTS PAGE 1 5
12. ON GENERATOR USER MANUAL FIGURE4 210122 Vs N E ok 24 INPUT WAVEFORM OUTPUT WAVEFORM FUNCTION GENERATOR USER MANUAL 42 2 FIGURE5 I 000000 FUNCTION GENERATOR AMPLIFIER 25 FUNCTION GENERATOR USER MANUAL FIGURE6 high frequency loss Low frequency High frequency loss No phase shift phase shift and phase shift trace thickened by hum voltage of low frequency No phase shift Low frequency Low frequency loss High frequency loss Damped oscillation Standard phase shift and low frequency and low frequency phase shift phase shift square wave 26 FUNCTION GENERATOR USER MANUAL FIGURE7 5 Wave Clock Pulse FUNCTION GENERATOR Digital Circuit Under Test FIGURES e FUNCTION GENERATOR SPEAKER CASE OR NETWORK VTVM OR OSCILLOSCOPE 27 FUNCTION GENERATOR USER MANUAL FIGURE9 E popu 4 i IMPEDANCE PL OF SPEAKER Q6 2 SYSTEM 4 0 When E2 1 2E 1 Z R1 FIGURE 10 PEAK OF AUDIO DRIVE RESPONSE m n
13. and right side slightly that will make easier to pull off the handle FUNCTION GENERATOR USER MANUAL CONDI 4 Please use a screwdriver to open the screw located at upper side of rear panel Therefore the upper cover can pull toward the backside In the meantime the upper cover is moved 3 There are two washers inside of two holes the joints of handle and case respectively Please use a screwdriver to pry open these washers lt 32 Note If you want to install the upper cover please reverse above steps 7 3 Cleaning To keep the instrument clean wipe the case with a damp cloth and detergent Do not use abrasives or solvents 33
14. dicated that signal source impedance is 50Q Connect to any of impedance circuit but output voltage and terminal impedance will be rated To avoid oscillation terminal shall be connected to 500 When using frequency and square output and its connecting line shall be as short as possible 3 When adjust Duty knob to leftward position the ratio of positive state to negative state expand to not less than 80 20 It can expand Square wave to Pulse wave expand Triangle wave to Ramp wave and Sine wave to unsymmetrical Sine wave As shown in Figure 3 is for adjustment of Duty control to obtain required waveform 18 FUNCTION GENERATOR USER MANUAL Figure 2 A Zero DC Offset with Maximum signal POSITIVE NEGATIVE B Offset Limit without Clipping POSITIVE NEGATIVE DC OFFSET DC OFFSET C Excessive Offset All examples Output terminated is 50 ohm POSITIVE NEGATIVE DC OFFSET DC OFFSET Figure 3 VARY THE DUTY OF SHORTER TIME SECTION BY ADJUSTING THE FREQUENCY ADJUSTMENT DIAL TRA PULSE SQUARE WAVE TRIANGLE WAVE UNSYMMETRICA L SINE WAVE TTL CMOS VARY THE DUTY OF LONGER TIME SECTION BY ADJUSTING THE DUTY CONTROLLER 19 FUNCTION GENERATOR USER MANUAL 6 APPLICATION NOTE This section describes the application of the Funct ion Generators in details as well as a brief description relating to the block diagram Only for the essential application method
15. e Neutral Brown Live Phase As the colours of the wires in main leads may not correspond with the colours marking identified in your plug appliance proceed as follows The wire which is coloured Green amp Yellow must be connected to the Earth terminal marked with the letter E or by the earth symbol or coloured Green or Green amp Yellow FUNCTION GENERATOR USER MANUAL nn The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment and or user instructions for details As a guide cable of 0 75mm should be protected by or 5A fuse Larger conductors would normally require 13A types depending on the connection method used Any moulded mains connector that requires removal replacement must be destroyed by removal of any fuse amp fuse carrier and disposed of immediately as a plug with bared wires is hazardous if a engaged in live socket Any re wiring must be carried out in accordance with the information detailed on this label FUNCTION GENERATOR USER MANUAL eee 2 INTRODUCTION
16. mance of the Function Generator It is one of the best ways to observe waveforms by connecting the instrument to Oscilloscope Watch the effect in different control of waveforms through Oscilloscope carefully when proceeding the following steps 5 1 First step check 1 Ensure that the voltage of the main supply is compatible with this instrument The label on the rear panel states the required AC voltage 2 Connect the instrument to the main supply using the power cord supplied 3 Press PWR switch Q and ensure all the rotary controls are pushed in then rotate AMPL 3 knob to make the indication point up forward 4 Rotate the FREQ control fully anticlockwise 5 2 Triangle square and sine wave 1 First select Function and select Range D rotate FREQ 59 to set the required frequency read from display window 2 At this moment connect Output 09 to oscilloscope for observing output signal or connect to other experiment circuit 14 FUNCTION GENERATOR USER MANUAL 3 Rotate AMPL again to control waveform amplitude 4 If attenuation output signal is required pull out AMPL knob to obtain 20dB attenuation or press 128 knob for additional 20dB attenuation 5 phase relation of Output Waveform shown in Figure 1 as below Figure 1 TTL PULSE OV TRIANGLE ov ANANA SINE OV AS N a EAAS SQUARE fe 15 FUNCTION GENERATOR USER MANUAL
17. n external DC control Voltage It also provides an easy way for your adjustment 1 Select Function first then select Range rotate FREQ 3 to set requiredfrequency range 2 Connect external control voltage 0 10V to the VCF 18 connector via a suitable lead and generate signal from Output 09 3 Other adjustments such as AMPL 3 switch can change amplitude of signal or get attenuation adjust Offset for DC level rotate Duty switch can change output signal of pulse or ramp waveform etc 5 7 Auto Sweep 1 First select the required waveform by pressing Function button then select required frequency range by pressing range Q push button 2 Connect output terminal 19 to oscilloscope for observing output signal 3 Rotate frequency 3 to determine the upper limit frequency 4 Pull out frequency 3 to perform auto sweep operation 5 Rotate SWEEP TIME 13 and SWEEP RATE 1 to adjust sweep time and rate 6 Pull out press LIN LOG 2 to obtain LOG LIN sweep mode Note The sweep width can only be adjusted during the sweep cycle 17 FUNCTION GENERATOR USER MANUAL 2 5 and it can not be stopped 5 8 Precaution item 1 Adjust DC OFFSET will provide to change voltage of HOV no load or 35V 50Q load However signal added DC level is still limited to 320V no load 10V 500 load In case of over voltage clip will appear as shown in Figure 2 2 Output connector label 500 in
18. tput of Triangle wave adjust the amplitude until there are no clipping happened in the applied frequency c Select Square wave adjust frequency choose to watch the wave form of middle of amplifier pass band like 20Hz 1kHz 10kHz and etc d The output waveform of c must get something with frequency Figure 6 shows some possible conditions CAUTION The composed poly wave frequency of Square wave is quite large so it s not suitable for the narrow band amplifier testing Test of logic circuit This equipment is suitable for logic circuit testing Using Square or Pulse wave can analyze or watch the frequency waveform of a designed testing circuit Also the DC Offset effect drive the plugin model board or logic circuit trouble shooting and etc Used 21 FUNCTION GENERATOR USER MANUAL as signal tracing and signal replacing operation a Connect the lines as Figure 7 b According to the operation guide in this manual set Square wave or Pulse wave output c Use the label TTL CMOS output terminal testing TTL logic circuit d To test CMOS circuit by pulling up the switch of TTL CMOS and adjust CMOS level by rotating the switch to set the proper level e Use dual trace scope to show the input output timing relation judged by the two waves shown in Figure 4 F Testing of speaking and impedance network This equipment can be used to test the frequency characteristics of speaker any impedance
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