•L
7.2.9
The control of output level shall be cabinet.
Output VSWR
on
the amplifier
No damage to the HPA Subsystem shall occur when operating into a short circuit.
Provision shall be made to inhibit the RF output during to avoid damaging the combining waveguide switching
network.
Safety Personnel
7.2.10
RF leakage
components
cabinet HPA X-Ray
or
associated waveguide
shall radiation
not exceed
from and recommended safety levels.
Safety interlocks shall be provided to prevent exposure of personnel to hazardous voltages and to discharge high voltage capacitors when cabinet enclosures are opened.
7.2.11 Monitor Ports
7.2.12
7.2.13
7.2.
7.3
14
Monitor ports at the up-converter output, IPA output, and HPA output shall be used for measuring the power levels,
transmit
appropriate.
or
spectrum
as
The HPA
power output shall be remotely displayed to the Earth Station operator. All test monitor couplers should be equipped with connectors capable of withstanding rugged service.
RF Switching Network
The RF
as
all equipment RF Switching Network is defined necessary to combine and switch the HPA subsystem outputs into the antenna feed
The switching transmit port. network shall be capable of command, ranging and wide band communication transmission.
Switching Time
The maximum transfer time from the moment of motor power any control to the waveguide switches from application to function to the completion of switching shall be less than 100 ms including bounce.
Insertion Loss
The losses in the Combiner shall be kept to consistent with the EIRP requirements.
Downlink Subsystem
a minimum
The Contractor shall provide a downlink subsystem on the SCF antenna to allow reception of telemetry from the satellite, and two additional monitor ports.
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