[Amps] Icom 551 with amplifier

Carl km1h at jeremy.mv.com
Wed Feb 10 08:21:09 PST 2010


The 551 or D also has just about the worst phase noise of any rig built. 
With strong signals it can wipe out many kHz and with an amp a lot more.

I had one for a short time and didnt make any friends!

Carl
KM1H




----- Original Message ----- 
From: <Gudguyham at aol.com>
To: <amps at contesting.com>
Sent: Wednesday, February 10, 2010 9:36 AM
Subject: [Amps] Icom 551 with amplifier


> The Icom 551(D) transceiver believe it or not does NOT have a "ground on
> transmit" feature for amplifier use.  It does however have an 8 vdc @ 2ma
> output on transmit which is used in turn with an outbord transistor to 
> power
> the amplifier TR switch.  I am wondering if anyone knows where to get  the
> 24 pin molex plug that mates with the 24 pin acc plug (female) at the rear
> of that radio.  If anyone has one or knows the part # or how to find the
> part#, PLEASE....let me know.  Thanks Lou
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