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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: Three ways to couple...... posted by drlowmu on February 25, 2017 at 12:31:50:
Jeff wrote:
"WORST : Cap Couple, tube has to power a cap !!
LESS WORSE : Transformer Couple, not too bad at all
BEST - by FAR : Direct Couple"
consider that when driving an IT your generator (the tube driving the primary) has to also charge the capacitances of the transformer as well as the tube must drive all of the losses (core and copper losses) of the transformer.
Measure the exciting current necessary to drive the IT you have in mind and then compare it to cap coupling (RC or LC).
And in direct coupling if the power supply is in series your front end tube must drive that reactive impedance.
I'm afraid that there is no fee lunch.
The "gods are not kind" to us :=)
MSL
MSL
Builder of MagneQuest & Peerless transformers since 1989
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Follow Ups
- RE: Three ways to couple...... - mqracing 12:56:49 02/25/17 (0)
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