[Icom] Automatic band change for Quadra and FL-7000 amplifiers

Sun, 9 Feb 2003 10:37:51 -0500

Sorry guys this was sent to the wrong list.

Julio, W4HY
----- Original Message -----
From: "Julio Peralta" <[email protected]>
To: <[email protected]>
Sent: Sunday, February 09, 2003 10:13 AM
Subject: Re: [Icom] Automatic band change for Quadra and FL-7000 amplifiers

> Dennis please review the enclosed E-mail regarding having band information
> available from logging programs.
>
> The ability to control a Yeasu Quadra amplifier with an Icom rig would be
> very important due to the fact the cost of the Quadra is about $1000.00
less
> than a an Icom PW-1 amp.
>
> Is this something you could add to LOGic 6 in the near future?
>
> Julio, W4HY
>
> ----- Original Message -----
> From: "Jerry Flanders" <[email protected]>
> To: <[email protected]>; <[email protected]>;
> <[email protected]>
> Cc: <[email protected]>
> Sent: Friday, February 07, 2003 11:40 AM
> Subject: [Icom] Automatic band change for Quadra and FL-7000 amplifiers
>
>
> > My Quadra amplifier now comes on whenever I turn on my ICOM IC-756PRO,
> > follows it from band to band from 160 meters to 6 meters (all WARC bands
> > included), and selects the appropriate antenna port and ATU presets just
> as
> > if it was connected to a Yaesu transceiver.
> >
> > This can also be done with most other modern transceivers.
> >
> > See  http://www.qsl.net/ab4oj/quadra/w4uk.html for full details and
cable
> > wiring instructions.
> >
> > No mods to the transceiver or the amp are required.
> >
> > FL-7000 users can apply the same information, but actual wiring
> > instructions are only provided for the Quadra. (FL-7000 uses a different
> > plug).
> >
> > More:
> >
> > Yaesu's method of band changing uses a TTL level 4-bit code. When the
code
> > is generated inside compatible Yaesu transceivers and fed to the amp by
> the
> > Yaesu "band data" cable, the amplifier follows the transceiver from band
> to
> > band and also enables antenna tuner presets . Any method of generating a
> > similar code will cause the amp to switch just as if the transceiver
were
> a
> > Yaesu.
> >
> > Ham logging program developers followed the Yaesu code to implement what
> > they typically call "antenna relay" switching on a LPT port. Most
current
> > logging programs provide antenna relay signals, so those logging
programs
> > emulate the band-data signals of a genuine Yaesu-compatible transceiver.
> > The LPT port provides TTL level signals, the Yaesu amp uses them
> directly -
> > only a cable is required to connect the LPT to the amp. I used my Yaesu
> > band-data cable by adding a $3 plug from radio Shack.
> >
> > Jerry Flanders, W4UK
> >
> >
> > ----
> > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > Icom Users Net: Sundays, 1700Z, 14.315 MHz
> > Icom FAQ: http://www.qsl.net/icom/
> >
>
>
> ----
> Your Moderator: Dick Flanagan W6OLD, [email protected]
> Icom Users Net: Sundays, 1700Z, 14.315 MHz
> Icom FAQ: http://www.qsl.net/icom/
>