... and ask for the "262 degree pin spacing".
73 de Billy, AA4NU
-----Original Message-----
>From: William Liporace - WC2L <wc2l@wc2l.com>
>Sent: Nov 21, 2008 5:06 PM
>To: k1ttt@arrl.net, yaesu@contesting.com
>Subject: Re: [Yaesu] mp amp keying?
>
>Yea, Call Joel at RF Connections, they have them!!
>The R.F. Connection
>www.therfc.com
>Tech Line 301.840.5477
>Order Line 800.783.2666 All major credit cards taken
>Hours: Monday-Friday 9:30am-5:30 pm Eastern
>
>-----Original Message-----
>From: yaesu-bounces@contesting.com [mailto:yaesu-bounces@contesting.com] On
>Behalf Of David Robbins K1TTT
>Sent: Friday, November 21, 2008 5:02 PM
>To: Yaesu@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@arrl.net
>web: http://www.k1ttt.net
>AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
>
>
>> -----Original Message-----
>> From: yaesu-bounces@contesting.com [mailto:yaesu-bounces@contesting.com]
>> On Behalf Of David Robbins K1TTT
>> Sent: Tuesday, November 18, 2008 22:24
>> To: Yaesu@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@arrl.net
>> web: http://www.k1ttt.net
>> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
>>
>>
>> > -----Original Message-----
>> > From: yaesu-bounces@contesting.com [mailto:yaesu-bounces@contesting.com]
>> > On Behalf Of G4GED Dave
>> > Sent: Tuesday, November 18, 2008 06:32
>> > To: Yaesu@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@arrl.net>
>> > To: <Yaesu@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@arrl.net
>> > >> web: http://www.k1ttt.net
>> > >> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.ne
>> > >>
>> > > _______________________________________________
>> > > Yaesu mailing list
>> > > Yaesu@contesting.com
>> > > http://lists.contesting.com/mailman/listinfo/yaesu
>> > >
>> >
>> > _______________________________________________
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>>
>>
>>
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