[Elecraft] Why predistortion ?

[Lyn Norstad]

Hmmm ... if my math still works ...

2020 - 1965 = 55 (years)

Mark me down as a "Not quite as old fart as Jim."

73
Lyn, W0LEN


-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Art Peters
Sent: Wednesday, September 16, 2020 5:27 AM
To: jim at audiosystemsgroup.com
Cc: Elecraft at mailman.qth.net
Subject: Re: [Elecraft] Why predistortion ?

Hmmmm, my EE degree is only 37 years old and the term also seems clear and descriptive to me too.... hmmm wonder if that also makes me an old fart???

73 es God. bless,

Art/K0ACP 

Sent from my iPad

> On Sep 15, 2020, at 8:24 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
> On 9/15/2020 3:55 PM, Andy Durbin wrote:
>> Who ever coined the term "predistortion" should be taken behind the bicycle shed and introduced to a 2x4.  The terminology is the epitome of obfuscation!
> 
> Hmmm. My EE degree is 56 years old, but the term seems quite clear and descriptive to an old fart like me!
> 
> It's been done in audio systems for at least four decades, where it uses motional feedback from the loudspeakers to which the systems were carefully matched. The implementation was intended to correct for non-linearities in the loudspeakers, which are far greater than in the electronics.
> 
> 73, Jim K9YC
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