[MRCA] PRM-34 Digital Test Set For Sale

BSugarberg bsugarberg at core.com
Sun Aug 20 20:26:29 EDT 2006


Hello,

I have the following for sale:

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AN/PRM-34 Portable Tester for AN/PRC-8, 9, 10, 25, 77, 68, 126 & AN//VRC-12
Military Radios. This is a portable tester that checks for receiver
sensitivity, frequency and transmitter RF power.

The mode switch has the following positions:

* OFF CHK - PTT shows Built In Test results as 01.000 in display for
all pass.

* SENS SQ - to test receiver squelch action.

* FREQ - to measure the transmitter output frequency (or deviation from
channel center).

* FWD PWR - to measure the transmitter output power in Watts ( 1 to 50 Watt
range).

* REV PWR - to measure the reverse power, or VSWR of the antenna.

* FLD STR - to check the output of a radio transmitter and is used to align
the PRC-68 ANT coupler circuit.

* PUSH TO TEST - activate the selected test mode.

* It  also has an antenna for field strength measurements so that it could
also be used for a number of different radios including the PRC-68.

* There are BNC connectors for ANT and RADIO.

Theory of Operation

There is a comb generator with outputs of 30, 35, 40, 45, 50, 55, 60, 65,
70, 75, and 80 MHz at -97 dBm with a 900 Hz FM modulation for receiver testing.

There is a Watt meter with a 1 to 50 Watt range along with a digital
frequency counter for transmitter testing and a reverse power test for
antenna VSWR testing.

There is a field strength meter to align the L1 ANT adjustment on the PRC-68
in transmit mode.

Condition:  Passes Built In Self Test, looks excellent.  Instructions in
lid.  $100 + shipping.

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Thank you,

Bruce WA8TNC









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