HP 8112A Operating, Programming And Servicing Manual page 269

50 mhz programmable pulse generator
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BOARD A2 LEVEL
U l 05/9
ECL
U l l2l5/3
ECL
CHECK WITH ECL PROBE
ECL
U l 05/2
ECL
U l 05 / l 5
CHECK WITH ECL PROBE
U l l2l5 / l 4
ECL
U l l2l6/2
ECL
T TL
U I I l /4
CHECK WITH TTL PROBE
UI I l / 1 4
TTL
U l l l / 1 2
TTL
UI I l / 1 3
TTL
TTL
U I 1 2/ 1 2
TTL
U I 1 0/6
CHECK WITH TTL PROBE
Figure 1 0.6-3. Burst-counter waveforms and timing
OSC I LLOSCOPE SCREEN
Servicing the Burst Control Circuit 1 0.6-7
T I ME/D I V
l us
0 . 2ms
l u s
12l . 2ms
l u s
! us
0 . 2ms
2 u s
20us
50us
12l . 2ms
0 . 2ms

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