[Elecraft] K3: Noise Reduction (NR) in FM Mode

[Bob Tellefsen]

That could be, Ron.
I remember when GE had it in their radio, and we
didn't, it soon showed up so we could compete in bids.
I imagine the bid process drove that more than any
actual need :-)
73, Bob N6WG

----- Original Message ----- 
From: "Ron D'Eau Claire" <ron at cobi.biz>
To: <elecraft at mailman.qth.net>
Sent: Thursday, June 05, 2008 8:12 PM
Subject: RE: [Elecraft] K3: Noise Reduction (NR) in FM Mode


>
> ???
>
> I worked on FM gear in the land mobile business as a service rep and
> salesman and we *never* used a noise blanker. A limiting I.F.
amplifier was
> a basic part of the receiver design since the detector does not
respond to
> amplitude modulation at all, including noise.
>
> Noise does not modulate the frequency.
>
> Maybe Motorola didn't use good FM detectors. Some simple types of
"FM
> detectors" respond to both AM and FM.
>
> Come to think of it maybe that's why I outsold Motorola in our
market area
> with E.F. Johnson land mobile FM gear <G>.
>
> Ron AC7AC
>
>
> -----Original Message-----
>
> Hi John
> When I worked for Motorola, both their and GE's top of the line
two-way FM
> mobile radios did include noise blankers for the mobile environment.
They
> worked quite well for their intended use. 73, Bob N6WG
>
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