[Icom] Last Word on Internal Keying Relays (I hope...)

Mon, 25 Mar 2002 19:02:18 -0700

Hi,
Actually one thing to be sure is, there is no stray RF getting into
keying line. If and when it does, it is different story. We're talking
about pure DC. 
73,
Tony, VE6CGX

Steve Jones wrote:
> 
> Bruce I never said I didn't trust Adam. He has been very helpful. I do not
> have a meter to do so but I do know that the keying specs for the 91B is 25
> vdc unkeyed and 7 ma keyed. That is straight from Alpha's web site spec
> page. It also does not call for n external box for hooking up 756 and up
> series radios. just a shielded RCA to RCA cable, just like I use with my
> FT1000D now. No offense but I have never doubted Adam. Thank you and 73,
> Steve, NX1G
> 
> ----- Original Message -----
> From: "Bruce Marton" <[email protected]>
> To: <[email protected]>
> Sent: Monday, March 25, 2002 8:28 PM
> Subject: Re: [Icom] Last Word on Internal Keying Relays (I hope...)
> 
> > Steve and everyone else,
> > Why not just measure your voltage and current at the back of your amp and
> > see if it fits the specs of the transceiver?
> > I just put an Acom 2000A on line, which is very similar to the Alpha 91B,
> > only fully automatic and computer controlled, and I was very worried about
> > what would happen with direct connection to the IC 781.  I measured the
> amp,
> > it displayed 12 vdc at 1.6 mils and no problems.  I connected it directly
> to
> > the 781 and I am good to go.
> > I would not loose sleep over this issue if you measure it with a good
> Fluke
> > or similar meter.
> > 73, Bruce K1XR
> > P.S.
> > Adam has always given me very sound advice over the years, he knows his
> > stuff.
> >
> > ----- Original Message -----
> > From: "Steve Jones" <[email protected]>
> > To: <[email protected]>
> > Sent: Monday, March 25, 2002 7:50 PM
> > Subject: Re: [Icom] Last Word on Internal Keying Relays (I hope...)
> >
> >
> > > Adam, I just checked the Alpha site and it calls for the 99 and 91B
> which
> > I
> > > have to be at 25 vdc unkeyed and 7 ma keyed. To me this seems to exceed
> > the
> > > relay or relays on the Pro II. Any thoughts there or am I missing
> > something.
> > > Thanks and sorry to be such a pain. 73, Steve, NX1G
> > > ----- Original Message -----
> > > From: "Adam Farson" <[email protected]>
> > > To: <[email protected]>
> > > Sent: Monday, March 25, 2002 2:12 PM
> > > Subject: RE: [Icom] Last Word on Internal Keying Relays (I hope...)
> > >
> > >
> > > > Yup, it's almost full moon again.
> > > >
> > > > For the last time, I hope:
> > > >
> > > > Maximum ratings of Icom HF transceiver internal keying relays:
> > > >
> > > > 16V @ 200 mA DC
> > > >
> > > > Exceed these ratings at your peril. Fortunately, it's not my problem
> if
> > > you
> > > > blow your relay.
> > > >
> > > > Best 73,
> > > > Adam, VA7OJ/AB4OJ
> > > > North Vancouver, BC, Canada
> > > > http://www.qsl.net/ab4oj/
> > > > Note new e-mail address:
> > > > mailto:[email protected]
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: [email protected] [mailto:[email protected]]On
> > > > Behalf Of Duane Budd
> > > > Sent: Monday, March 25, 2002 09:39
> > > > To: [email protected]
> > > > Subject: RE: [Icom] Quick question...is there a Pro/Pro II reflector?
> > > >
> > > >
> > > > "The answer is 25v 7mA.  Piece of cake for the ProII relay
> > > > or for that
> > > > matter any relay."
> > > >
> > > > Well, maybe NOT. Here is what I got from Icom Tech support
> > > > when I asked that question:
> > > >
> > > > The rating is 16 votla/2 amps....
> > > > This means you can run a max of 2 amps or 16 volts, but not
> > > > both.....
> > > > Generaly 13.8 volts at 1 amp.
> > > >
> > > >
> > > > Gerd
> > > > www.icomamerica.com
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Duane Budd [mailto:[email protected]]
> > > > Posted At: Sunday, February 17, 2002 11:14 AM
> > > > Posted To: Amateur
> > > > Conversation: IC-756PRO
> > > > Subject: IC-756PRO
> > > >
> > > >
> > > > I have been told that the manual is wrong with respect to
> > > > the rating of the "SEND RELAY" in the manual is incorrect -
> > > > that the 2 amp rating is wrong and that the correct rating
> > > > is 2100 milliamps.
> > > >
> > > > What is the correct rating, please?
> > > >
> > > > Thanks for your help.
> > > >
> > > > 73...
> > > >
> > > > Duane Budd
> > > > [email protected]
> > > >
> > > >
> > > > Duane Budd
> > > > [email protected]
> > > > Johnson City, TN
> > > >
> > > > **All outgoing Email is screened by Norton Antivirus**
> > > >
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: [email protected]
> > > > [mailto:[email protected]]On
> > > > Behalf Of Larry Benko
> > > > Sent: Sunday, March 24, 2002 10:26 PM
> > > > To: [email protected]
> > > > Subject: Re: [Icom] Quick question...is there a Pro/Pro II
> > > > reflector?
> > > >
> > > >
> > > > Steve,
> > > >
> > > > GO to Alpha......  See
> > > > http://www.alpha-amps.com/html/ampkey.htm
> > > > The answer is 25v 7mA.  Piece of cake for the ProII relay or
> > > > for that
> > > > matter any relay.
> > > >
> > > > 73,
> > > > Larry Benko, W0QE
> > > >
> > > > Steve Jones wrote:
> > > > >
> > > > > No Problem Adam,. I just wish I could get some simple
> > > > questions answered
> > > > > about the Icom Pro II. They are or should be black and
> > > > white yes or no
> > > > > answers..but I can't get a straight answer. One is I have
> > > > an Alpha 91B
> > > > > amplifier and with my FT1000D I can just hook up a RCA to
> > > > RCA male cable to
> > > > > key the amp. Some have said with the newer amps like mine
> > > > it is no
> > > > > problem..others say no way. There has to be a yes or no
> > > > answer on that
> > > > > question unless you are using older amps such as SB220,
> > > > L4B. etc. Also on
> > > > > the tuner matter...I have heard that if you are going to
> > > > tune the radio on 6
> > > > > meters...you should go in to the menu system and shut off
> > > > auto tune on band
> > > > > change and PTT tune. If you want to tune on 6 meter, leave
> > > > the tune button
> > > > > off and when you dial in a 6 meter frequency and want to
> > > > tune it, you just
> > > > > push and hold the tune button for manual tuning. If you
> > > > don't disable this
> > > > > feature..I have heard the relays get welded together and
> > > > radio has to go
> > > > > back to Icom. Can you give me any straight answers on
> > > > these two concerns.
> > > > > Thanks and 73, Steve, NX1G
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Adam Farson" <[email protected]>
> > > > > To: <[email protected]>
> > > > > Sent: Sunday, March 24, 2002 7:46 PM
> > > > > Subject: RE: [Icom] Quick question...is there a Pro/Pro II
> > > > reflector?
> > > > >
> > > > > > Hi Steve,
> > > > > >
> > > > > > My pleasure! Many thanks for the kind comments. As I no
> > > > longer run the
> > > > > Icom
> > > > > > Net (due to propagation and geographical
> > > > considerations), I try to help
> > > > > out
> > > > > > on the reflector whenever I can.
> > > > > >
> > > > > > Have you checked out the new qsl.net Icom site?
> > > > http://www.qsl.net/icom/
> > > > > >
> > > > > > Best 73,
> > > > > > Adam, VA7OJ/AB4OJ
> > > > > > North Vancouver, BC, Canada
> > > > > > http://www.qsl.net/ab4oj/
> > > > > > Note new e-mail address:
> > > > > > mailto:[email protected]
> > > > > >
> > > > > >
> > > > > > -----Original Message-----
> > > > > > From: [email protected]
> > > > [mailto:[email protected]]On
> > > > > > Behalf Of Steve Jones
> > > > > > Sent: Saturday, March 23, 2002 11:52
> > > > > > To: [email protected]
> > > > > > Subject: Re: [Icom] Quick question...is there a Pro/Pro
> > > > II reflector?
> > > > > >
> > > > > >
> > > > > > Thank you for the help Adam , I appreciate it very much
> > > > and especially for
> > > > > > not sending some smart A reply. It really gets old and
> > > > we have a few
> > > > > really
> > > > > > tough guys behind there keyboard that enjoy sending
> > > > nothing but trouble
> > > > > > instead of help. It's simply not needed anywhere,
> > > > especially in Ham
> > > > > radio!!
> > > > > > 73, Steve, NX1G
> > > > > >
> > > > > > ----- Original Message -----
> > > > > > From: "Adam Farson" <[email protected]>
> > > > > > To: <[email protected]>
> > > > > > Sent: Saturday, March 23, 2002 1:59 PM
> > > > > > Subject: RE: [Icom] Quick question...is there a Pro/Pro
> > > > II reflector?
> > > > > >
> > > > > >
> > > > > > > http://groups.yahoo.com/group/ic756pro2/
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > ----
> > > > > > Your Moderator: Dick Flanagan W6OLD,
> > > > [email protected]
> > > > > > Icom FAQ: http://www.qsl.net/icom/
> > > > > >
> > > > >
> > > > > ----
> > > > > Your Moderator: Dick Flanagan W6OLD,
> > > > [email protected]
> > > > > Icom FAQ: http://www.qsl.net/icom/
> > > > ----
> > > > Your Moderator: Dick Flanagan W6OLD,
> > > > [email protected]
> > > > Icom FAQ: http://www.qsl.net/icom/
> > > >
> > > >
> > > > ----
> > > > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > > > Icom FAQ: http://www.qsl.net/icom/
> > > >
> > > > ----
> > > > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > > > Icom FAQ: http://www.qsl.net/icom/
> > > >
> > >
> > > ----
> > > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > > Icom FAQ: http://www.qsl.net/icom/
> >
> > ----
> > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > Icom FAQ: http://www.qsl.net/icom/
> >
> 
> ----
> Your Moderator: Dick Flanagan W6OLD, [email protected]
> Icom FAQ: http://www.qsl.net/icom/