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[Amps] Protecting the tubes!

To: <amps@contesting.com>
Subject: [Amps] Protecting the tubes!
From: yo9fzs at office.deck.ro (Traian)
Date: Wed May 14 08:16:01 2003

Bill Coleman N2BC wrote:

> Traian, the TS-850 transverter output goes to the "IF OUT" jack (RCA phone
> jack).  To enable the transverter, the internal cable to the jack gets
> replugged - this of course disables the IF OUT capability.  When the
> transverter relay is picked by applying 12V thru an RFC to the IF OUT jack,
> the Kenwood's output pre-driver is switched by the relay to the IF OUT jack.

You are right Bill.

>
>
> I will be connecting the Kenwood's normal high power output to the RECEIVE
> side of the Harris T/R relay. So... when the transverter is OFF (barefoot),
> the 100W output flows thru the Harris coax relay to the antenna.  I
> interlock the transverter enabling with the Harris HV on line.

Thats interesting.
This is the actual configuration the RF-110A was used.
Separate input and output.

Good luck, and please keep us informed.

73,
Traian

>
>
> In either case, in receive the TS-850 "listens" via the Harris T/R relay.
>
> So, even if there is some failure in the Kenwood... the only place the
> Kenwood 100W PA goes is to the RX side of the Harris coax relay.
>
> I hope to document my connection scheme & a slight mod I made to the Harris
> power control on my home pages in a few days.
>
> 73, Bill
> ~~~~~~~~~~~~~~~~
> Bill Coleman    N2BC
> http://home.stny.rr.com/n2bc

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