HP 5308A Operating And Service Manual page 19

75 mhz timer/counter
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Model 5308A
Operation
1 (REAR)
2
5,11
3,9
4,10
8,14
5,7,11,13
6
5,11
12
SEE WARNING ON PAGE 9H-3-11
Connect ac power to 5300B ac receptacle.
10. Set SEP-CHK-COM B to COM B.
Turn ac power on with the 5300B SAMPLE
NOTE
RATE control.
In the Frequency mode of operation, the
Channel A
CHAN B
input is processed
by the
SETE
Se
e
quently, the slope and LEVEL
controls
SM
RALE for este display time:
for Channel
A are effective
as listed
Set SEP-CHK-COM B to SEP.
below. The Channel
B ATTENUATORS
and AC-DC
switches are effective (see
Set ATTENUATORS
to X10; AC-DC
to AC
Figure 9H-8-1).
and
Channel
A
slope
switch
to
polarity
desired. Set LEVEL A to SET.
NOTE
11. Set ATTENUATORS
(Channel
B) to X10;
the SET position;
Ensure that the 'SET' TRIG LEVELS -
switch on the rear panel is in the .0V
position when the LEVEL
control is in
the SET position.
Connect input signal (up to 75 MHz) to be
measured to CHAN A connector.
TORS switch for Channel A to X1.
13. Observe
display.
If display
is not
stable,
Set
FUNCTION
to
FREQ
A
and
adjust
14. Set TIME
BASE
to desired gate time or to
SAMPLE RATE for desired time.
AUTO.
Figure 9H-3-5.
Making Channel A and Channel B Frequency Measurements
9H-3-9

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