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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Q: When is Full-Wave not Full-Wave? posted by Triode_Kingdom on October 15, 2016 at 15:34:08:
You have hit the only real disadvantage of the full-wave doubler vs. the full-wave bridge, as the ESR is higher at 60 Hz than at 120 (not double, though - the few data sheets I can find say 1.2 - 1.7x). Not a problem with modern caps. Output ripple will be near identical, DC current rating the same for a given transformer size - for the doubler, winding resistance will be 1/4, since the winding will have twice the copper cross-section, and half the length. Either is superior to the full-wave center-tap which can supply about 25% less output from the same size transformer.
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- RE: Q: When is Full-Wave not Full-Wave? - Tom Bavis 07:46:50 10/17/16 (0)
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