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G.1.3
Specifications
The following are the operating and environmental specifications
for the TWTA hybrid combiner subsystem.
Frequency Range
Rated Operating Power Level
Gain at Rated Output Power
At Small Signal
Input VSWR
Output VSWR
Gain Slope
Gain Variation
Gain Control
RF inhibit( mute)
Gain Stability
Doc. 01031254 Rev. 1
Figure G-3 RF Block Diargam
13.775 to 13.975 GHz
220 Watts at 20dB NPR with
linearizer option
110 Watts at 20dB NPR without
linearizer option
71 dB Minimum
74 dB Minimum
1.3:1 Maximum
1.3:1 Maximum
+/- 0.04 dB/MHz
1.0 dB pk-pk over full
bandwidth
0.4 dB pk-pk over any 60 MHz
0.2 dB pk-pk over any 20 MHz
30 dB with 0.1 dB resolution
60 dB when inhibited
0.25dB/24 hours at constant
temperature and input drive
MPA Hub Mount I&O Manual
Appendix G-3
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