Period Cont(ol
Verification Test
1 1 . Change the HP 8 11 2A settings as follows:
Input Mode
HI1
101
E.BUR
2.0 v
-2.0 v
12. Set the counter as follows:
TOT
GATE
Slope A
Trigger level
A
Manual Open
Positive
preset
13. Press the
key on the HP 8112A to simulate an external
trigger and verify that the counter counts 4 72 pulses.
14. Press the
key and confirm that the counter reading
increments to 4 73.
Characteristics
Pulse Period
1 : 10
ratio
Control Voltage
1.0 V to 10 V
Period Ranges
20 ns to 1 .0 s in eight non-overlapping decade
ranges
Bandwidth
1 kHz
Equipment
•
Counter
(
HP 5335A
)
•
Variable Power Supply
(
HP 6237B or HP 3324A)
•
Cable Assembly BNC
(
2 off
)
•
50 f! Feedthrough Termination
•
BNC to Banana plug adaptor
Test Setup
H P 62378 o r
Counter (HP 5335A)
H P 3324A
HP 8112A
Figure
8· 15.
Period Control Verification Test
Testing Performance
8-23
Summary of Contents for 8112A
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Page 240: ...10 4 16 Servicing the Shaper and Output Amplifier ...
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Page 290: ...R B c R3 BD RY M I CROPROCESSOR 1 2 3 FIGURE 1 0 7 8 ...
Page 294: ... 8 X2l 2 X2 Figure A 1 Mechanical Parts 1 A 2 Replaceable Parts ...
Page 295: ...MP MP3 MP MP2 MP4 MPS MP 1 2 MPS MP MP I B ElElElEl Replaceable Parts A 3 ...
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Page 378: ...Figure B 14 Mechanical Parts 1 B 44 Backdating ...
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