Agilent Technologies B1542A, User Manual

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Agilent B1542A User’s Guide, Edition 4 2- 13
Installation
Hardware Installation
Assembling Drain Switch Unit (for B1542A-024 Retrofit)
This section is required if you retrofit the option B1542A-024. This section is not
required when you install the B1542A with the option B1542A-024. The following
procedure assembles the Drain Pulse/dc Switch Unit. See Figure 2-10.
1. Unscrew and remove the top cover of the drain switch unit.
2. Remove the mounting plate inside the unit. And screw and fix it to the bias-T.
3. Connect the coaxial cables to the bias-T correctly. And fix the bias-T to the drain
switch unit.
Use a torque wrench and an open-end wrench to fasten the SMA connectors.
4. Screw and replace the top cover of the drain switch unit.
Required accessories:
• Drain Pulse/dc Switch Unit without bias-T, 1 ea.
• Bias-T, 1 ea.
• Torx wrench, furnished with the option B1542A-024. This wrench is needed to
remove or fasten the screws.
Figure 2-10 Drain Pulse/dc Switch Unit
Bias-T
Drain Bias Input
(DC)
to Drain
Current
Monitor
(RF)
to DUT via
RF switch
(RF+DC)
Bias-T
Fix the mounting plate to the Bias-T.
Connect the coaxial cables to the Bias-T.
Fix the Bias-T to the unit.
DUT
Drain Current Monitor
Drain Bias Input
SMU
(RF)
(RF+DC)
(DC)