Constellation® January 2006
4-2 Technical Specifications
Power Source
Power Source Voltage
Power Source Noise
The battery noise level must comply with Figure 4-1.
Figure 4-1: Battery voltage noise limit
Built-in Radio Fuse Panel
Constellation radio has a built-in radio fuse panel whose power rating is
designed to provide individual fused power only to the various assemblies in
the radio equipment shelf. Harris recommends that external fuse panel be used
to provide fused power to all other equipment on the same radio rack.
System DC power input Wide mouth auto polarity directing
22 Vdc to 60 Vdc at top of rack (TOR)
Input noise level and ripple
tolerated
100 mV RMS in a 3-kHz bandwidth,
100 kHz to 20 MHz
Protection Fused
1
2
3
4
5
6
10
100 1k 10k 100k
NOISE FREQUENCY (Hz)
(V PEAK)
NOISE LEVEL
E
2
E
1
Where
E1 = 10% of supply voltage, 5Vpeak for 48VDC operation
E2 = 1% of supply voltage
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