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HP 85106D mm-Wave System
6-39
HP 85105A mm-Wave Controller
A5 Attenuator Switch Driver Board
A5 Attenuator Switch Driver Board
Procedure 10
Figure 6-22 Attenuator Switch Driver Board
1. Remove cables W21 and W22 from the A5 attenuator switch driver
board.
2. Switch the instrument to port 1. When port 1 is active, the port 1
indicator light on the A5 board will be green and the port 2 indicator
light will be amber. The voltage measured at A5J1 is +15
±
1.5 Vdc
and the voltage measured at A5J2 is -15
±
1.5 Vdc.
3. Switch the instrument to port 2. When port 2 is active, the port 2
indicator light on the A5 board will be green and the port 1 indicator
light will be amber. The voltage measured at A5J1 is -15
±
1.5 Vdc and
the voltage measured at A5J2 is +15
±
1.5 Vdc.
Summary of Contents for 85106D
Page 11: ...x HP 85106D mm Wave System ...
Page 117: ...4 24 HP 85106D mm Wave System Service and Troubleshooting Check Unratioed Power Levels ...
Page 139: ...5 22 HP 85106D mm Wave System HP 85104A Test Set Module Troubleshooting Procedures ...
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Page 238: ...B 2 HP 85106D mm Wave System Upgrade Paths ...
Page 243: ...HP 85106D mm Wave System v work surface installation 1 12 ...
Page 244: ... vi HP 85106D mm Wave System ...