[Yaesu] mp amp keying?

[Joe Subich, W4TV]

The connector is known as the DIN8/262.  It's available at 
The RF Connection (www.therfc.com) and some of the larger 
parts houses (Mouser, Digikey, Newark). 

73, 

   ... Joe, W4TV 
 

> -----Original Message-----
> From: yaesu-bounces at contesting.com 
> [mailto:yaesu-bounces at contesting.com] On Behalf Of David Robbins K1TTT
> Sent: Friday, November 21, 2008 5:02 PM
> To: Yaesu at contesting.com
> Subject: Re: [Yaesu] mp amp keying?
> 
> 
> Well, I found one band data plug in my spare plugs and wired 
> up the one that went really bad last week to key from the 
> band data jack, works just fine with the hf-2500.  now I 
> could use 4 more plugs, the pin arrangement looks unique on 
> those, not really circular.  Is there a standard din 
> replacement somewhere, or does Yaesu or someone else stock them?
> 
> 
> David Robbins K1TTT
> e-mail: mailto:k1ttt at arrl.net
> web: http://www.k1ttt.net
> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
>  
> 
> > -----Original Message-----
> > From: yaesu-bounces at contesting.com 
> > [mailto:yaesu-bounces at contesting.com]
> > On Behalf Of David Robbins K1TTT
> > Sent: Tuesday, November 18, 2008 22:24
> > To: Yaesu at contesting.com
> > Subject: Re: [Yaesu] mp amp keying?
> > 
> > I can understand it when driving a 100v keying line, but 
> these hf-2500 
> > amps use either 12v or 24v depending on vintage and about 
> 75ma drain.  
> > Not a very
> > hefty current even for those little relays.
> > 
> > What does that arb-704 plug into?  The relay output or the 
> band data 
> > jack or something else??
> > 
> > 
> > David Robbins K1TTT
> > e-mail: mailto:k1ttt at arrl.net
> > web: http://www.k1ttt.net
> > AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
> > 
> > 
> > > -----Original Message-----
> > > From: yaesu-bounces at contesting.com 
> > > [mailto:yaesu-bounces at contesting.com]
> > > On Behalf Of G4GED Dave
> > > Sent: Tuesday, November 18, 2008 06:32
> > > To: Yaesu at contesting.com
> > > Subject: Re: [Yaesu] mp amp keying?
> > >
> > > Yes, and a cheaper alternative is the N0XAS "Universal Keying 
> > > Adapter 2" kit, which gives optical isolation between rig 
> and amp on 
> > > the keying
> > line.
> > > My IC-750Pro used to suffer from "sticky" c/o relays when 
> driving my 
> > > old TL-922 amp 'cos that has 100V on the interface c/o 
> line! I use 
> > > the UKA-2 now for all my Rig-to-Amp interfaces for peace of mind.
> > >
> > > Google for HamGadgets.com or N0XAS
> > > BTW, I have no connection with this firm, just singing 
> praises where 
> > > I think due!
> > >
> > > 73 Dave
> > >
> > > ----- Original Message -----
> > > From: "Scott Manthe" <n9aa at arrl.net>
> > > To: <Yaesu at contesting.com>
> > > Sent: Tuesday, November 18, 2008 5:35 AM
> > > Subject: Re: [Yaesu] mp amp keying?
> > >
> > >
> > > >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 at arrl.net
> > > >> web: http://www.k1ttt.net
> > > >> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.ne
> > > >>
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> > > >
> > >
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> > 
> > 
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