Test Setup
2
H P 8 1 1 2A
0
0
Counter
(H P 5 335A)
0
0 0
Figure
8·14.
Output Mode Verification Test
Equipment
•
Oscilloscope
(
HP 54121 T
)
•
Counter
(
HP 5335A
)
•
Cable Assembly BNC
(
2
X)
•
Attenuator 2 0 dB, 2 W
(
2
x )
•
50f! Feedthrough Termination
(
required if counter input impedance
�
50f!
Procedure
1 . Connect the equipment as shown in the setup 1 figure
8-22
Testing Performance
2. Set up the HP 81 12A as follows:
Trigger Mode
NORM
Control Mode
Off
Transition
Fixed
BUR
472
PER
1 .0 µs
DEL
65 ns
DTY
253
Complement Output
Off
HIL
2.0 v
LOL
-2.0 v
Limit Mode
Off
3. Verify that the output signal is inverted by pressing the
key.
4. Deselect the
key.
5. Verify that the
key disables the output signal.
6 . Re-enable the output signal.
7. Change Limit mode to ON
8. Press the
@
key and verify that the vernier keys do not
increase the HIL beyond the +2.0 V as set previously.
9. Press the
key and verify that the vernier keys do not
decrease the
101
below the -2.0 V as set previously.
10. Reconnect the equipment as setup 2.
(
use the 50f! feedthrough if
neccessary
)
.
Summary of Contents for 8112A
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Page 240: ...10 4 16 Servicing the Shaper and Output Amplifier ...
Page 242: ...A R l BD RY MR I N 1 2 7 I I IJt 51 CR1 B e i 1 _ _ _ _ 20 ...
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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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