20)
Return to the Main Menu by pressing the Return push button (10).
21) Set CMAN 1 to ON and CHAN 2 OFF (49).
22) Set DUAL GRID mode to OFF (14).
Resulting Display:
Ponml
STATUS
PANEL
’III
...................................... ’ .......
.... ¯ ................... Cl~nnel 1
¯ 5 .m~tO mV
Figure 8.1
The PD010 probe has a xl0 attenuation factor. Thus, the 1 V, 976 Hz
output calibration signal is displayed with a total amplitude of
approximately 7.7 divisions at a Total V/div setting of 130 mV. In case
of over- or under-shoot, adjust the probe compensation trimmer, located
on the barrel of the PDOIO, for a clean square wave contour.
II.
Acquisition of a 10-20 nsec Repetitive Signal
i)
Connect a fast pulse generator providing an output signal having a
10 to 20 nsec period to CBAN 2 input (21).
2) In the Main Menu, press the Recall PANEL push button (5).
3) Recall the Default panel setup (9).
4) Return to the Main Menu by pressing the Return push button (I0).
5) Call the Panel Status menu (2).
6) Set CHAN 2 Fixed VOLTS/DIV as appropriate (27).
7) Set CHAN 2 OFFSET to .0 mV.
8) Set CHAN 2 COUPLING to DC 50
9)
Adjust CHAN 2 VAR vernier (28) as appropriate.
I0)
Adjust TRIGGER DELAY control (34) to 40.0Z Pre.
ii) Adjust TRIGGER LEVEL control (33) to .00 division.
12) Set TRIGGER COUPLING to AC (30).
8-2
Basic 9400A Waveform Measurements
and Operating Procedures
a
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