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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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