HP 8112A Operating, Programming And Servicing Manual page 132

8-20 Testing Performance
EXT I N PUT
OUTPUT
TRIG OUTPUT
6. Set the HP 81 1 2A to GATE trigger mode, PER
DTY = 50%. Verify that each gate leading edge releases a train
of output pulses and that each cycle is complete. As shown here.
TRIG OUTPUT
7. Set the HP 81 12A to E.WID trigger mode
8. Select Linear transition and LEE, TRE to 1 µs
9. Verify that each external input pulse triggers an output pulse of
the same width, as shown here.
TRIG OUTPUT
10. Set up the HP 81 12A as follows:
Input Mode
Control Mode
Transition
BUR
PER
DEL
DTY
HIL
LOL
1 1 . Change the external pulse generator
1 .0 µs.
EXT IN PUT
OUTPUT
EXT IN PUT
OUTPUT
E.BUR
Off
Fixed
50
300 ns
65 ns
50%
1 .00 v
0.00 v
(
HP 81 16A) width setting to
(I N PUT 1)
(I N PUT 2)
3)
(I N PUT
=
900 ns and