[AMRadio] Relay 101 Reed Relays


Mark Foltarz Foltarz at rocketmail.com
Thu Mar 23 12:24:15 EST 2006


Mark,

  Would you elaborate on some of the subtleties of the reed relay
characteristics? 

 They are so prevalent now in many tuners and even my Philips RF gen that it
would be interesting to learn something about them besides the basic
functionality.

TNX
de KA4JVY
Mark

--- W1EOF <w1eof at hamnutz.com> wrote:

> 
> Although simplistic, those papers are well written. My only caveat is that
> they are written for electromechanical relays. Reed relays (my area) have
> some characteristics taht are very similar and some that are quite
> different. Nice find Jim.
> 
> 73,
> 
> Mark W1EOF
> 
> > -----Original Message-----
> > From: Jim Candela [mailto:jcandela at prodigy.net]
> > Sent: Wednesday, March 22, 2006 12:13 PM
> > To: Discussion of AM Radio
> > Subject: [AMRadio] Relay 101
> >
> >
> >
> > Hi All,
> >
> >    The Tyco folks have some interesting application
> > notes about relays that fit into an earlier thread on
> > this reflector. Check out the following links:
> >
> > Relay Coil Back EMF protection:
> > http://relays.tycoelectronics.com/app_pdfs/13c3311.pdf
> >
> > Relay Contact Arc suppression:
> > http://relays.tycoelectronics.com/app_pdfs/13c3236.pdf
> >
> > Other Relay and general switching topics:
> > http://relays.tycoelectronics.com/application.asp
> >
> > We can use some of these ideas on our AM rigs....
> >
> >
> > Jim
> > WD5JKO
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