[Yaesu] Yaesu FRB-757

Fri, 13 Jun 2003 13:44:14 -0400

I'm using one plugged directly into the FT1000D to key a Drake L75
...Dave
----- Original Message ----- 
From: "Adam Farson" <[email protected]>
To: "CALVIN L. SHERMERHORN" <[email protected]>
Cc: "Yaesu Reflector" <[email protected]>
Sent: Friday, June 13, 2003 1:38 PM
Subject: RE: [Yaesu] Yaesu FRB-757


> Hi Cal,
>
> The FRB-757 is an auxiliary keying relay which is inserted in the PTT line
> between a transceiver and a linear amplifier. It allows the light-duty
relay
> in the transceiver to key the amplifier's high-voltage/high-current T/R
> relay without risk of contact damage.
>
> I believe that the first Yaesu application was with the FT-757 series and
> the FL-2100 series amplifiers. The FRB-757 requires a 12V DC supply, and
> will interface most modern amplifiers and transceivers. I would be a
little
> cautious with older amplifiers with mains voltage on their keying line,
> though.
>
> Best 73,
> Adam, VA7OJ/AB4OJ
> North Vancouver, BC, Canada
> http://www.qsl.net/ab4oj/
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]On
> Behalf Of CALVIN L. SHERMERHORN
> Sent: Friday, June 13, 2003 08:23
> To: [email protected]
> Subject: [Yaesu] Yaesu FRB-757
>
>
> Can someone enlighten me as to application of this little box - it
> followed me home, arf arf. Tnx to all es 73 de Cal VE4XQ.
>
>
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