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VOLTCRAFT 632 FG, Manual

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VOLTCRAFT 632 FG Manual Download Page 12

  11  

 

4-2 Rear Panel 

Triggering:

 

(24)EXT TRIG IN Input Terminal

 

Input Terminal is used for external triggering signal by setting SOURCE switch (23) to the EXT position. 

(34)Z AXIS INPUT 

Input terminal for external intensity modulation signal. 

(35)CH1 SIGNAL OUTPUT

 

Delivers a voltage of approximately 20mV/DIV from the CH1 signal to 50

Ω

  terminal for frequency counting.

 

AC POWER Input Circuit: 

(36)AC Power input connector 

Connect the AC power cord (supplied) to this connector.

 

(37)FUSE & line voltage selector 

Fuse rating is shown in Page 7 Line voltage selector to select power sources.   

(38)Studs

 

Studs is not only used as a stand for laying the oscilloscope on its back to operate it in the upward posture, also 
used for winding up the power cord. 

 

Summary of Contents for 632 FG

Page 1: ......

Page 2: ...DING VOLTAGES OF INPUT TERMINALS 7 4 PANEL INTRODUCTION 8 4 1 FRONT PANEL 9 4 2 REAR PANEL 11 5 OPERATION METHOD 12 5 1 BASIC OPERATION SINGLE CHANNEL OPERATION 12 5 2 DUAL CHANNEL OPERATION 13 5 3 ADD OPERATION 13 5 4 TRIGGERING 13 5 5 TIME DIV CONTROL 15 5 6 SWEEP MAGNIFICATION 15 5 7 X Y OPERATION 15 5 8 CALIBRATION OF PROBE 16 5 9 DC BAL ADJUSTMENTS 16 5 10 FUNCTION GENERATOR 16 6 MAINTENANCE ...

Page 3: ...tices 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 The following symbols may appear in this manual or on the product DANGER ATTENTION Protective Frame or chassis High Voltage refer to Manual Conductor Terminal Terminal ...

Page 4: ...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...

Page 5: ...weep speeds 2 Wide bandwidth and sensitivity In addition to wide bandwidth DC 30MHz 3dB the instrument provides high sensitivity of 5mV DIV 1mV DIV at 5 MAG A 30MHz frequency is obtained with improved triggering synchronization 3 Alternate triggering Even with an observation of two different frequency waveforms each waveform can be triggered stably 4 TV sync triggering The oscilloscope has a sync ...

Page 6: ... wave Common Mode Rejection Ratio 50 1 or better at 50kHz sinusoidal wave When sensitivities of CH1 and CH2 are set equally Isolation between channels At 5mV DIV range 1000 1 at 50kHz 30 1 at 30MHz CH1 signal output At least 20 mV div into a 50Ωterminal Bandwidth is 50Hz to 5MHz at least VERTICAL AXIS CH2 INV BAL Balanced point variation 1 DIV Reference at center graticule Triggering source CH1 CH...

Page 7: ... inch rectangular type internal graticule Phosphor P31 Acceleration Voltage Approx 2kV Effective Screen Size 8 10 DIV 1 DIV 10mm 0 39in Graticule Internal CRT Trace Rotation Provided 2 FUNCTION GENERATOR Output Function Range 0 1Hz 1MHz 7 steps Output Waveform Sine Wave Square Wave Triangle Wave Frequency Variable Range 10 1 or more Output Impedance 50Ω 10 Output Voltage Over 20Vpp open circuit co...

Page 8: ...ause damage to the circuits Do not operate the instrument in a place where strong magnetic or electric field exists as it may disturb the measurement 3 4 Equipment Installation and Operation Ensure there is proper ventilation for the vent of the instrument If it is not according to the specification to operate the instrument the protection provided by the instrument may be impaired 3 5 CRT Intensi...

Page 9: ... 8 4 PANEL INTRODUCTION Fig 4 1 Front Panel Fig 4 2 Rear Panel ...

Page 10: ...le channel instrument by selecting CH2 alone DUAL Operate the oscilloscope as a dual channel instrument by selecting CH1 and CH2 ADD The oscilloscope displays the algebraic sum CH1 CH2 or subtraction CH1 CH2 of the two signals the subtraction function effects only when push in CH2 INV 16 button 12 ALT CHOP When this switch is released in the dual trace mode the CH1 and CH2 inputs are alternately d...

Page 11: ...calibrated to the preset value of the TIME DIV Counterclockwise rotate the control knob to the bottom to delay the sweep by 2 5 times or more 32 34POSITION Adjust the trace or spot in horizontal position 31 10 MAG Magnify 10 by pressing this key Function Generator 39 GENERATOR OUTPUT The main output terminal with 50Ωoutput impedance 40 WAVEFORM SELECTOR The waveform change following after each but...

Page 12: ... a voltage of approximately 20mV DIV from the CH1 signal to 50Ω terminal for frequency counting AC POWER Input Circuit 36 AC Power input connector Connect the AC power cord supplied to this connector 37 FUSE line voltage selector Fuse rating is shown in Page 7 Line voltage selector to select power sources 38 Studs Studs is not only used as a stand for laying the oscilloscope on its back to operate...

Page 13: ...ed on In about 20 seconds a trace will appear on the CRT screen If no trace appears in about 60 seconds counter check the switch and control setting 2 Adjust the trace to an appropriate brightness and image with INTEN and FOCUS control knob respectively 3 Align the trace with the horizontal central line of the graticule by adjusting the CH1 POSITION control knob and TRACE ROTATION control knob adj...

Page 14: ...l position to the advantage of the linearity of the vertical amplifiers it s better to set 56POSITION knob of both channels in middle position 5 4 Triggering Proper triggering is essential for an efficient operation of the instrument Users must make themselves familiar with the triggering functions and procedures thoroughly 1 Functions of MODE switch AUTO Select automatic sweep operation by settin...

Page 15: ...ts of low level AC noise of audio equipment thyristor circuits etc EXT The sweep is triggered by an external signal applied to the external trigger input terminal An external signal which has a periodic relationship with the measured signal is used Because the measured signal is not used as the triggering signal the waveforms can be displayed more independent than the measured signal 3 Functions o...

Page 16: ...yed waveform from the right to the left in the center of screen The sweep time with the magnification operation is as follows Value indicated by TIME DIV switch x 1 10 Thus the unmagnified maximum sweep speed 1nSec DIV can be increased with the magnification as follows 1 µSec DIV x 1 10 100nSec DIV 5 7 X Y Operation Set the TIME DIV switch to X Y position to operate the instrument as an X Y oscill...

Page 17: ...lt FIG 5 7 a Correct compensation b Over compensation c Insufficient compensation 5 9 DC BAL Adjustments The ATT balance of the vertical axis can be adjusted easily 1 Set the input coupling switches of CH1 and CH2 to GND and set the TRIG MODE to AUTO then position the base line to the center 2 Adjust the VLOTS DIV switch to 5mV 10mV and fix the line does not move 5 10 Function Generator The instru...

Page 18: ...of the power transformer is tapped to permit operation from 115V or 230VAC 50 60Hz line voltage The Conversion from one line voltage to another is done by changing the line voltage selector switch as shown in Fig 4 2 The rear panel identifies the line voltage to which the unit was factory set To convert to a different line voltage perform the following procedure 1 Make sure the power cord is unplu...

Page 19: ... 18 7 BLOCK DIAGRAM ...

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