
5-2
HP 8517B S-Parameter Test Set Manual
Troubleshooting the Test Set
Theory of Operation
Theory of Operation
RF paths for Port 1 and Port 2 are similar. This section discusses in detail the
source power signal, as it is routed via the RF IN connector, through the test
set, and to Port 1 for S
11
and S
21
measurements.
Figure 5-1 Standard HP 8517B RF Block Diagram
The RF Source Power
•
RF source power enters the test set through the rear panel. The RF power
is applied to the switch/splitter (A18).
•
At the switch/splitter, the power is attenuated by approximately 7 to
14 dB, depending upon frequency.
•
The switch/splitter receives its control signals from the attenuator/switch
driver board (A5).
•
The switch part of the switch/splitter, which is a combination of two
power splitters and a solid-state switch, selects the power splitter to use
and, therefore, the test port to receive the RF power.
•
LEDs on the front panel and on the attenuator/switch driver board (A5)
indicate which test port is active.
Содержание 8517B
Страница 10: ...x HP 8517B S Parameter Test Set Manual ...
Страница 16: ...Contents 6 HP 8517B S Parameter Test Set Manual ...
Страница 30: ...1 14 HP 8517B S Parameter Test Set Manual Getting Started Operating and Safety Precautions ...
Страница 38: ...2 8 HP 8517B S Parameter Test Set Manual Installation Packaging the Test Set ...
Страница 57: ...HP 8517B S Parameter Test Set Manual 1 ...
Страница 60: ...HP 8517B S Parameter Test Set Manual 4 4 Specifications ...
Страница 84: ...5 24 HP 8517B S Parameter Test Set Manual Troubleshooting the Test Set Troubleshooting Procedures ...
Страница 109: ...HP 8517B S Parameter Test Set Manual 7 11 HP 8517B Replaceable Parts Figure 7 1 Power Cable and Plug Part Numbers ...
Страница 121: ...HP 8517B S Parameter Test Set Manual 7 23 HP 8517B Replaceable Parts Figure 7 4 Detailed Views of Hardware Stack Ups ...