Trigger Mode/Coupling
11
Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide
175
The external trigger input impedance is 1M Ohm. This lets you use passive probes
for general-purpose measurements. The higher impedance minimizes the loading
effect of the oscilloscope on the device under test.
To set the EXT TRIG IN units and probe attenuation:
1
Press the
[Mode/Coupling]
key in the Trigger section of the front panel.
2
In the Trigger Mode and Coupling Menu, press the
External
softkey.
3
In the External Trigger Menu, press the
Units
softkey to select between:
•
Volts
— for a voltage probe.
•
Amps
— for a current probe.
Measurement results, channel sensitivity, and the trigger level will reflect the
measurement units you have selected.
4
Press the
Probe
softkey; then, turn the entry knob to specify the probe
attenuation.
The attenuation factor can be set from 0.001:1 to 10000:1 in a 1-2-5 sequence.
The probe attenuation factor must be set properly for measurements to be
made correctly.
CAUTION
Maximum voltage at oscilloscope external trigger input
300 Vrms, 400 Vpk
1 M ohm input: For steady-state sinusoidal waveforms derate at 20 dB/decade above
57 kHz to a minimum of 5 Vpk
Содержание DSO-X 2014A
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Страница 176: ...176 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 11 Trigger Mode Coupling...
Страница 202: ...202 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 13 Cursors...
Страница 226: ...226 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 14 Measurements...
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