Width Control
1 . Set the HP 8112A to RCL 0, PER 15 ms
2. Check the Width DAC output according to the following table:
Table 10.5-5. Typical Width Control DAC Output
HP 8112A WID
1
ms
5 ms
9.99
ms
Slope Control
1 . Set up the HP 81 12A as follows:
RCL
DTY
PER
TRE
0
503
lO ms
500µs
Voltage at TP2
+9.8 v
+ l .95 v
+0.98 v
2. Check the Slope DAC leading edge output according to the
following table:
Table 1 0.5·6. Typical Slope (LEE) Control DAC Output
HP 8112A LEE Voltage at TP4
50
µs
+l.65 v
500
µs
+0.16 v
999
µs
+0.08 v
3. Set the HP 81 12A LEE to 500µs
4. Check the Slope DAC trailing edge output according to the
following table:
Table 10.5· 7. Typical Slope (TRE) Control DAC Output
HP 811 2A TRE
50
µs
500
µs
999
µs
Amplitude Control
1. Set up the HP 8112A as follows:
RCL
101
Output
0
-8.0
v
Enabled
Voltage at TP5
+l .65 v
+0.16 v
+0.08 v
2. Check that U18 operates according to the following table:
10.5-14 Servicing the Control Board
Summary of Contents for 8112A
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