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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Mu of triode-strapped pentodes posted by Terry S on May 6, 2004 at 00:07:03:
Hello Terry,usually the datasheets DO contain this information.
It is stated as 'mu-factor - grid no. 1 to grid no. 2', mu(g1-g2) or similar.
If triode-strapped, the pentode or beam power valve will behave like a triode with the gm and the mu(g1-g2) of the pentode.
Some datasheets even contain diagrams showing the dependency of gm and mu(g1-g2) on operating conditions.
The Barkhausen-equation applies as a matter of cause:
rp=mu(g1-g2)/gm
Best regards,
---mb---
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Follow Ups
- Look in the datasheets... - mb-de 04:24:56 05/06/04 (0)
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