Auxiliary Power Supply Unit - R&S N 8000 Series System Manual

1.1.5

Auxiliary Power Supply Unit

Fig. 9 Auxiliary power supply
The primary task of the auxiliary power supply (+12 V) is to provide power to the additional
control components in the rack. The required redundancy of this auxiliary voltage is gener-
ated via the exciters, which also output a +12 V current.
The following modules are powered by the auxiliary power supply:

Rack controller

CAN bus interface of the amplifiers

Switching relay in the power distribution

RF rectifier/directional coupler when the standby transmitter is active
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Chapter 2
- 2.9 -
Design and Characteristics
E-1