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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: Re: Ray, the whole point of using a choke input filter... posted by sorenj07 on May 6, 2007 at 10:13:44:
At any given rail voltage, there is a minimum (critical) inductance that's required for proper choke I/P operation. Frankly, I don't know the formula for critical inductance.Once the critical inductance criterion is satisfied, a minimum current draw (the critical current) is needed for proper operation. A good approximation for the critical current, in mA., is V/L. When a bleeder resistor is used to ensure the critical current gets drawn, it turns out that 1 KOhm of resistance is appropriate for each Henry of inductance present in the 1st position.
Eli D.
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- Re: Ray, the whole point of using a choke input filter... - Eli Duttman 10:27:02 05/06/07 (0)
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