HP 5334B - 4-21. T.I. A+B

Observe: The HP 5334B front panel displays all dashes and Channel B trigger light stops flashing.
14. Set:
CHAN
B 500 ........................................................................................................ OFF
I
Observe: Condition prior to switching in 50n impedance.
15. Set:
CHAN B
XI0 ATTN ........................................................................................... ON
Observe: The HP 5334B front panel displays all dashes and Channel B trigger light stops flashing.
16. Set:
CHAN B XI0 ATTN ........................................................................................... OFF
Observe: Condition prior to switching in XI0 A'ITN.
Test Record: Mark Pass or Fail on the Operational Verification Test Record Card, line 5.
What Checked: Relays and circuitry.
For Failures: Refer to Section VIII of this manual. The Input Amplifier and Executive Blocks are the main com-
ponents of this test. Other blocks involved are DAC, Measurement, and Front Panel blocks.
4-21. T.I. A+B
Description: Slope switch verification.
Procedure:
1. Connect the rear panel TIME BASE oscillator signal to the Channel A Input.
2.
Set the
HP 5334B as follows:
Reinitialize the 5334B.
C0M.A ................................................................................................................ ON
TRIGGER LEVEL controls
.............................................................................. set to OV + 0.2V
using READ LEVELS "L" mode
AUTO TRIG
......................................................................................................... OFF
CHAN A and B 500 ............................................................................................ ON
GATE TIME
......................................................................................................... 1 Second
FUNCTION
........................................................................................................... T.I. A+ B
Observe: The HP 5334B front panel displays 0 ns +- 6 ns.
3. Set both:
Channel A and B Negative SLOPE
.................................................................. ON
(Counter now triggers on negative slope.)
Observe: The HP 5334B front panel displays 0 ns +- 6 ns.
HP 5334B - Service Manual
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