I use an Ameritron ARB-704 amp interface. It costs less than shipping
the FT-1000MP in for service, which is pretty cheap protection for any
number of amp/radio interfacing problems. Not nearly as sexy as the band
data jack, but I don't worry about popping any transistors or getting
sticky relays.
Scott, N9AA
K1TTT wrote:
> I have had several mp's develop sticky amp keying relays. This is now my
> most common reason to have them serviced and would like to avoid this if
> possible. I see the band data jack has a tx ground through a 2n3444
> transistor which is rated at 60v and 1a, with my hf-2500 amps and a small
> relay that locks out the antenna switching I measure either 12v or 20v at
> about 75ma, so it seems that transistor should be more than enough. Does
> anyone use that band data output for amp keying?
>
>
> David Robbins K1TTT
> e-mail: mailto:k1ttt@arrl.net
> web: http://www.k1ttt.net
> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.ne
>
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