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Содержание 2120C

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Страница 2: ...pocket technique while handling an instrument probe Be particularly careful to avoid contacting a nearby metal object that could provide a good ground return path 5 When using a probe touch only the...

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Страница 4: ...ring 13 Magnified Sweep Operation 15 OPERATING INSTRUCTIONS Continued X Y Operation 15 Video Signal Observation 15 Application Guidebook 15 Delayed Sweep Operation 15 Component Test Operation 16 MAINT...

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Страница 6: ...Y Operation Channel 1 can be applied as horizontal deflection X axis while channel 2 provides vertical deflection Y axis Built in Probe Adjust Square Wave A 2 V p p 1 kHz square wave generator permit...

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Страница 8: ...equency Line frequency 60 Hz in USA OTHER SPECIFICATIONS Cal Probe Compensation Voltage 2 V p p 3 square wave 1 kHz nominal CH 2 Y Output Models 2125C 2160C Output Voltage 50 mV div nominal into 50 oh...

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Страница 11: ...IV Control Provides step selection of sweep rate for delayed sweep time base This control has 23 steps from 0 1 S div to 2 S div in a 1 2 5 sequence 25 2125C 2160C DELAY TIME POSition Control Sets sta...

Страница 12: ...automatically reverts to triggered sweep operation when an adequate trigger signal is present On the Model 2125C 2160C automatic triggering is applicable to both the main sweep and delayed sweep NORM...

Страница 13: ...waveform The other side of the receptacle is the ac return and no waveform should result EQUIPMENT PROTECTION PRECAUTIONS The following precautions will help avoid damage to the oscilloscope 1 Never...

Страница 14: ...he red POWER pushbutton Model 2120C 2160C or rotate the POWER control clockwise away from OFF Model 2125C 2160C 3 A trace should appear on the CRT Adjust the trace brightness with the INTENSITY contro...

Страница 15: ...iggering TRIGGERING These Oscilloscopes provide versatility in sync triggering for ability to obtain a stable jitter free display in single trace or dual trace operation The proper settings depend upo...

Страница 16: ...ontrol is centered the threshold level is set at the approximate average of the signal used as the triggering source Proper adjustment of this control usually synchro nizes the display The TRIG LEVEL...

Страница 17: ...ontrols 4 Adjust the amount of horizontal X axis deflection with the CH 1 VOLTS DIV and VARIABLE con trols VIDEO SIGNAL OBSERVATION Setting the COUPLING switch to the TV H or TV V position permits sel...

Страница 18: ...a horizontal line Therefore the higher the resistance the closer to horizontal the trace will be Values from 10 to about 5 k are within measurement range Values below 10 will appear to be a dead short...

Страница 19: ...OPERATING INSTRUCTIONS Fig 6 Typical Resistive Signatures 17 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 20: ...nductance signatures To test an inductor insert one of the inductor s leads into the white COMP TEST jack and the other into the GND jack make sure that the leads touch the metal walls inside the jack...

Страница 21: ...of test leads can be used to connect the COMP TEST and GND jacks to the component s Combinations of Components Using the component test feature it is also possible to observe the signatures of combin...

Страница 22: ...installing fuseholder be sure that the fuse is installed so that the correct line voltage is selected see LINE VOLTAGE SELECTION LINE VOLTAGE SELECTION To select the desired line voltage simply insert...

Страница 23: ...curacy not as a signal source for performing recali bration adjustments a voltage standard calibrated at several steps and of 0 3 or better accuracy is required for calibration adjustments The CAL sig...

Страница 24: ...dels 2125C and 2120C this sweep rate is 10 ns div A rise time of less than about four divisions at this sweep speed should be calculated Calculated Measurements For observed rise times of less than 36...

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Страница 26: ...play Flashing red dote in top left corner of the first digit is Gate indicator It is light up every time during frequency counter is update NOTE If input signal is not synchronized correctly on CRT di...

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Страница 29: ...try Valuable to those with little knowledge of oscilloscopes as well as the experienced technician or engineer who wishes to refresh their memory or explore new uses for oscilloscopes www GlobalTestSu...

Страница 30: ...201 4 B K P recision Corp v072914 Printed in Taiwan www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

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