HP 8112A Operating, Programming And Servicing Manual page 189
50 mhz programmable pulse generator
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- Operating, programming and servicing manual (112 pages) ,
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Amplitude Tests
Shaper Output State
Test
Burst Tests
E36
When software triggered (low),
limits. Possible faults in trailing edge slope control circuit U13, U14
or U302. See E:hapter 10.5.
E37
When software triggered (high), rise time of 9.99 ms (Range 6 ) out of
limits. Possible faults
E3 tl
When software triggered (low), fall time of 9.99 ms (Range 6 ) out of
limits. Possible faults
E39
When software triggered (high), rise time of 10 ms (Range 7) out of
limits. Possi� faults as in E35.
E41
(
Amplitude range 2
•
Pre-attenuator circuit
•
Amplitude control circuit U23 to U25
•
Offset control circuit U20 to U22
See Chapters 10.5 and 1 0.4.
E42
(
Amplitude range 1
HP 8 1 1 2A set to produce a burst of 10 pulses of period 250 µs.
E5 1
Burst counter supplies less than 10 pulses. Possible fault in Burst
fl i p-flop U201 or Burst control circuit U102 to U 1 12 . Refer to
Chapter 10.6.
E52
Burst counter produces more than 10 pulses. Possible faults
E5 1 .
Instrument Overview and Treubleshooting Guide
fall
time of 1 ms (Range 6) out of
as
in E35.
as
in E35.
)
9.99 V
not possible. Possible faults:
)
1 V
not possibl�. Possible faults as in E41 .
as
in
1 0 . 1 -9
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