Re: Encoder tuning knob for amateur radio RX/TX

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#2555

From: Russell Shaw
Date: Fri, 07 May 1999 00:00

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Digitize the position of what? A pot has 270deg stops whereas encoder knobs
are continuous. I don't want to use a 10-turn pot either. And anyway, small
flash-programmable micros with A/D are hard to get. I could make an A/D, but
why bother if there is an encoder solution?

Marco Polo wrote:
> 
> Sheesh ........why not use an AD converter and just digitize the position??
> --
> Regards,
> Marco Polo
> 
> Looking for the route to the silks!
> 
> 
> 
> Russell Shaw <russell@martin.com.au> wrote in article
> <372FDB66.5CFCB065@martin.com.au>...
> > Hi All,
> >
> > I am looking for a cheap quadrature encoded control to use as the tuning
> > knob in an AM/SSB radio transceiver kit. Preferably 100 steps per turn or
> > more.
> >
> > Any ideas?
> >


--

Regards,
    Russell, VK3KRS.

MARTIN COMMUNICATIONS Pty. Ltd
87 Peters Ave. Mulgrave Vic. 3170
Ph. +61 3 9560 9999   Fx. +61 3 9560 9055
http://www.martin.com.au

"Faders and Receivers for New Horizons"
    __ __   __ __   __ __
   /  \  \ /  \  \ / // / MARTIN COMMUNICATIONS
  / /\ \\ / /\ \\ / // /  Russell Shaw, B.Eng, M.Eng(Research), MIREE
 / // \ \/ // \ \/ // /   Electronic RnD Engineer
/_//_/ \__/__/ \__/__/    EMAIL: russell@martin.com.au

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From: Russell Shaw <russell@martin.com.au>
Subject: Re: Encoder tuning knob for amateur radio RX/TX
Date: 1999/05/07
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