-- 
Have Fun,

Brooke Clarke
https://www.PRC68.com
axioms:
1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
2. Everybody, with no exceptions, holds false beliefs.

Date: Tue, 22 Jul 2025 16:09:19 -0400
From: Nick England <[email protected]>
To: "[email protected]" <[email protected]>
Subject: [Milsurplus] Mystery Raytheon AN/PRC-xxx
Message-ID:
	<CAB55hNe=eED=zooVt73Sr2qB_nLp=3J9QHvndeX39aRqj-8PwQ@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

 Whazzit?
2-11 mc AM/SSB/CW transceiver, 1965 vintage?, 12v battery
Transistor, Synthesized, 1 kc increments (1 mc master oscillator)
455kc Collins filters. Lots of double-balanced mixers.
Raytheon logo on one circuit board but not elsewhere.
https://photos.app.goo.gl/6GmGTnuy9mByHDBi7

Some of the photos are just from trying to use the camera as a magnifying
glass.
It looks like the front panel ought to fold down, but connections to the
LOAD control prevent that - I'm still trying to figure out how to get
deeper and trace some connections.

I couldn't remove the cover atop the slug-tuned coils - I lifted and peeked
and it looks like the 1mc bandswitch. I can't figure out that nearby module
coupled to it by the chain and with leads from the LOAD switch.
Handset connector is MC10-14-6PN - a second connector was pulled and
extender wires added.
A cable/BNC connector has been added which runs back to the 455kc IF module.
The antenna connection has been bodged up a bit. The battery connector was
replaced by a 3-wire terminal strip.

The 2N1899 output transistor is rated 125w dissipation.

It looks like there may be an internal switching p/s module (left rear of
chassis)?

Please email info or leads
Thanks
Nick England K4NYW
www.navy-radio.com
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