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Old 3rd Dec 2021, 3:23 pm   #5
kalee20
Dekatron
 
Join Date: Feb 2007
Location: Lynton, N. Devon, UK.
Posts: 7,061
Default Re: Practical Electronics. Battery Valve Radio Power Supply.

So , tempt me... (nearest PE will be in Barnstaple, 20 miles away): Is there an efficiency figure quoted? And are LT and HT both derived by switching techniques or is the LT just a linear regulator straight from the battery?
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