[Amps] B- questions

[Jim Carr]

Carl,
Another one how about reverse parallel zeners? RCA used a system of reverse 
parallel zeners accros the 105v 120 cycle signal from the diferential 
anplifiers to the printed circuit motors of their computor tape drives to 
saw off the noise spikes rideing on the waveform.
Jin
N7FCF
----- Original Message ----- 
From: "Carl" <km1h at jeremy.mv.com>
To: <dezrat1242 at yahoo.com>; <amps at contesting.com>
Sent: Monday, November 09, 2009 7:34 AM
Subject: Re: [Amps] B- questions


> The term I learned in industry is reverse parallel. Anti parallel seems to
> be a ham invention and likely European in origin in line with anti 
> clockwise
> (-;
>
> Carl
> KM1H
>
>
>
> ----- Original Message ----- 
> From: "Bill, W6WRT" <dezrat1242 at yahoo.com>
> To: <amps at contesting.com>
> Sent: Monday, November 09, 2009 3:51 AM
> Subject: Re: [Amps] B- questions
>
>
>> ORIGINAL MESSAGE:
>>
>> On Sun, 08 Nov 2009 22:35:36 -0500, Roger <sub1 at rogerhalstead.com> wrote:
>>
>>> (I really dislike the term anti parallel...which logically
>>>means series, but is used to mean "parallel diodes of opposing polarity"
>>>and requires a expanded definition)
>>
>> REPLY:
>>
>> I don't like the term "anti-parallel"  either, but it is an ancient term
>> going
>> way back, and it is quite clear once defined. I'm open to suggestions for
>> something better.
>>
>> To me, the logical opposite of parallel is non-parallel, but to each his
>> own.
>>
>> 73, Bill W6WRT
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