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Old 04-03-2023, 10:18 AM
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DavGoodlin DavGoodlin is offline
Motorola Minion
 
Join Date: Aug 2011
Location: near Strasburg PA
Posts: 3,413
Quote:
Originally Posted by bandersen View Post
I was told Westinghosue and others didn't use a flyback to avoid paying royalties to RCA.
I'm working on a Sparton 4900, which uses a HV supply that is entirely separate from horizontal sweep also. 6SN7 connected as oscillator makes HV using a tubular coil, feeds a 1B3.
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