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[AMPS] Re: What's wrong?

To: <amps@contesting.com>
Subject: [AMPS] Re: What's wrong?
From: rakefet@rakefet.com (Vic Rosenthal)
Date: Mon, 16 Aug 1999 16:38:20 -0700
In case anyone cares, the bug is in the brain.  The inductance is not directly
proportional to the number of turns, it's proportional to the square root of the
number of turns.  21 turns is exactly 2.2 uh.  Duh.

73,
Vic, K2VCO
Fresno CA

Vic Rosenthal wrote:
>  Naturally, they don't give the
> inductance, but according to the Amidon data sheet, 21 turns on a T50-2 is 
> about
> 10 uh.
> 
> When I run the calculation (Q = 2.5, input impedance 57 ohms) I get cin = 
> 1006,
> cout = 984, and l = 2.2 uh.  I think my inductance value is closer to being
> right.
> 
> Is this just another bug in the handbook?   Or is the bug in my personal
> brainware?

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