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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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18th Jun 2017, 6:49 pm | #21 | |
Dekatron
Join Date: Nov 2006
Location: London, UK.
Posts: 3,496
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Re: RF amplifier - why typically 4:1 transformer on input
Quote:
Thanks also for the circuit diagram of the 1.4MHz RF amplifier; I like the design and will investigate.
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Al |
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18th Jun 2017, 9:49 pm | #22 |
Nonode
Join Date: Aug 2010
Location: Resolven, Wales; and Bristol, England
Posts: 2,608
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Re: RF amplifier - why typically 4:1 transformer on input
We used to manufacture a PWM speed controller for electric flight model aeroplanes with about ten BUZ11 and no heat sink at all! ISTR it was quite efficient.
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