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Re: [Amps] Power transformer for 600 watt rig

To: "'Jim Tonne'" <>, "'Amps @'" <>
Subject: Re: [Amps] Power transformer for 600 watt rig
From: "Gary Schafer" <>
Date: Tue, 18 Mar 2008 11:08:59 -0400
List-post: <">>
Hi Jim,

No I don't have LTspice.

What I was saying about what type of service the power supply is to expect
to see matters a great deal. A transformer (a good one) that is to be used
with a voltage doubler might have a secondary resistance in the neighborhood
of 15 ohms.

A transformer to deliver the same power supply voltage using a choke input
filter can get by with a transformer secondary resistance of a couple of
hundred ohms.
The dynamic regulation of the latter will be fine for an AM or FM rig but
not acceptable for SSB.

Gary  K4FMX

> -----Original Message-----
> From: [] On
> Behalf Of Jim Tonne
> Sent: Monday, March 17, 2008 9:47 PM
> To:; 'Amps @'
> Subject: Re: [Amps] Power transformer for 600 watt rig
> Gary:
> Do you have LTspice?  I will plug those numbers
> into the transformer model to complete the design.
> The numbers I quoted are adequate for the problem
> as stated.
> - Jim Tonne

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