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Re: [Amps] SCR to adjust 240v to 200v

Subject: Re: [Amps] SCR to adjust 240v to 200v
From: Jim Brown <>
Date: Mon, 15 Aug 2016 08:34:33 -0700
List-post: <">>
On Fri,8/12/2016 12:41 PM, Michael Clarson wrote:
All done at 60 Hz and never had any RFI
issues from these supplies.

I'm sure that Motorola carefully designed so that there was no RFI at VHF/UHF. But this sort of circuitry is FAR more likely to generate trash at MF and HF. Bottom line -- it's not necessarily a slam dunk. By contrast, the boost/buck transformer IS a slam dunk, and guaranteed not to add noise.

73, Jim K9YC

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