[ForSale-Swap] FS: Transistorized Military VHF amp

marv_e_ads at juno.com marv_e_ads at juno.com
Sun Jan 5 21:12:02 EST 2003


**** VHF Amplifier ****

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 modules 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   

plus shipping, if necessary, naturally.

Contact:  Marv  WC6W   310 649 3111 (reasonable hours Pacific Time
please) 
or via:  Marv_E_Ads at Juno.com


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