Chapter 2 Design and Function
5300.9677.72 - 2.11 - EN-4
Fig. 9 View inside of the R&S SR8130 transmitter — exciter side
1) Exciter board
2) Mainboard
3) Fans (2x)
4) AC supply input
5) Power supply unit for output stage (2x)
6) Power supply unit for exciter
1.1.2 Mechanical Design: Separate Amplifier
The R&S VU813 amplifier, when used as a component of the R&S SR8250A transmitter,
contains the following modules:
Coupler complete with absorber
Processor board including instrument controller
Absorber board
Amplifier with 1300 W
2 power supply units for amplifier
1 power supply unit for instrument controller
2 fans
Amplifier side the R&S VU813 acts as an R&S SR8130 (see illustration "View inside the
R&S SR8100/SR8130 transmitter — amplifier side"). The top of the instrument side, how-
ever, houses an additional coupler which merges the power produced by the R&S SR8130
and the R&S VU813.
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