Naval PRA-400 Series
Supply - MMIC Amplifier
is an Active Antenna Power Supply, low noise MMIC
TV amplifier, and a ferrite splitter combined and designed to
small Marine TV Distribution System with 8-12 Radio and TV Outlets, or
a remote front end.
is continuably adjustable from + 10 dB to +30dB via onboard
The hinged cast metal EMI
shielded case is
gasket sealed and highly
External CATV type "F" connectors are
provided for the
external antenna input and 2 branch line outputs as well as for an
signal source such as
CATV or a VCR. An "O" ring cable gland is
for the primary power cable.
All PRA-4xx series will operate
from 12 or 24VDC
or is strapable for 110-220 VAC, and they can all be configured to
supply power to two antennas.
is identical with the addition of a separate AM Radio
with attenuator. Both devices will power two active antennas such as
PR-430 and PR431 or PR-432. when configured to do so.
A TILT coax loss compensation circuit
is available for PRA-422T.
PRA-430, PRA-431 and PRA-432
are for AM, FM, and AM-FM respectively and will work with PR-430 series
radio antennas or the older VPA-30 antenna.
Variable atenuators are
privided for each radio band. This antenna is in common land based use
for use with metal buildings where conventional antennas will not
perform and on board ship for cabin/crew distribution..
PRA-420 NSN : 5820-01-560-4184 cage
A special version is made for US
Navy PRA420T16LPD17 NSN 6130-01-530-6190 cage code
0GMC3 and used on DDG, JHSV, LPD and LCS projects.