[NSRCA-discussion] Optical Isolation of Servo

[Rex]

I've used  one of these devices in IMAC planes....  www.electrodynam.com

 

Rex
 
> From: vanputte at cox.net
> Date: Wed, 8 Jul 2009 23:38:29 -0500
> To: nsrca-discussion at lists.nsrca.org
> Subject: Re: [NSRCA-discussion] Optical Isolation of Servo
> 
> I think I found one here: http://www.emsjomar.com/SearchResult.aspx? 
> KeyWords=opto%20isolator
> 
> Ron VP
> 
> On Jul 8, 2009, at 11:29 PM, krishlan fitzsimmons wrote:
> 
> > oops, wrong thing Ron.
> >
> > Futaba makes a choke. I think it's sold at Horizon.
> >
> > Chris
> >
> >
> >
> >
> >
> > --- On Wed, 7/8/09, Ron Van Putte <vanputte at cox.net> wrote:
> >
> > From: Ron Van Putte <vanputte at cox.net>
> > Subject: [NSRCA-discussion] Optical Isolation of Servo
> > To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
> > Date: Wednesday, July 8, 2009, 9:09 PM
> >
> > A customer needs to get rid of interference from the ignition 
> > engine he's using, which causes the throttle servo to surge. I 
> > suggested he look into optically isolating the servo from the 
> > receiver, to preclude the EMI going down the servo wires to the 
> > receiver. He asked me where he could buy such a device and that's 
> > where I ran out of ideas. I remember that they used to be 
> > available, but can't remember who marketed them. Anybody know?
> >
> > Ron VP
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