[Amps] Pi-L Network Question

[Carl]

K values are a best guess from the 2X of Class C.
The important part is to get the L correct for efficiency as long as the 
harmonics meet specs.

Carl
KM1H


----- Original Message ----- 
From: "peter chadwick" <g8on at fsmail.net>
To: <amps at contesting.com>
Sent: Tuesday, March 11, 2014 12:25 PM
Subject: Re: [Amps] Pi-L Network Question


> Jim,
>
> I used your  values to calculate (by a series of parallel - series and 
> series - parallel transforms, the back of the NCJ renewal notice and an 
> HP41CV!) a plate impedance of 717 ohms at 1.8 MHz.
>
> I take it we're talking grounded grid AB2? In that case, RCA say the plate 
> load, Rp is:
>
> Rp = 2 (Plate voltage DC - minimum plate voltage + Peak grid voltage) / 
> Peak plate current.
>
> I suspect that Vic may have a point about what the plate load should be: 
> RCA don't use K values for AB1 and AB2 calculations.
>
> 73
>
> Peter G3RZP
>
>
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2014.0.4335 / Virus Database: 3722/7179 - Release Date: 03/11/14
>