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[AMPS] FS: VHF Power amp

To: <amps@contesting.com>
Subject: [AMPS] FS: VHF Power amp
From: wc6w@juno.com (Radio WC6W)
Date: Sat, 23 Feb 2002 18:08:33 -0800

Late '70's vintage likely Military, probably airborne, VHF power
amplifier 
assembly.  It consists of 7 almost identical amplifier assemblies
clustered around a
central housing that has splitter combiner networks which are plugged
onto each end with a bunch of SMB connectors.  There are TNC's for the
main in's & outs.   I think it was originally configured as one amp,
driving two, driving four boards. The complete assembly measures 7.5" x
5"
 x 3.5" overall -- the individual RF amp boards are 4.5" by 2".  The
outer covers
 are mostly missing. Each  amplifier is a push pull design -- they appear
to be
 50 ohm in & out impedance with either PT6747 or PT6702 TRW transistors. 
I would
guess this unit operates on 28VDC.  I don't know what frequency range it
covers nor the power level though, just guessing, it probably puts out at
least 100W.    And there is no manufacturer name -- probably went with
the outer cover.  Six of the stages are marked OK and one, the input
stage I think, is marked NO Good.  The individual amps have integral heat
sink plates so, they could be removed from the assembly and used
separately. Think of it as 7 amplifier boards @ $10 ea --
 Bare PCB's would cost as much! -- $70   May be seen at:
http://photos.yahoo.com/bc/marv_email/vwp?.dir=/Jpegs&.dnm=RFamp1.jpg&.sr
c=ph&.view=t&.hires=t
   --- and ---
http://photos.yahoo.com/bc/marv_email/vwp?.dir=/Jpegs&.dnm=RFamp2.jpg&.sr
c=ph&.view=t&.hires=t


plus shipping, if necessary, naturally.

Contact:  Marv  WC6W   310 649 3111 (reasonable hours Pacific Time
please) 
or via return e-post



*

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