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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: Vf vs If for Cree Sic Schottky Diode - Measured at cathode-relevant Currents posted by Maxamillion on July 5, 2009 at 11:29:41:
Doing it graphically I get ~3ohms at 10ma and ~1.17 ohms at 65ma. at 2.7ma I get ~12 ohms. From your numbers below where a current change of +- 2ma nets a voltage change of +-.013 calculates to an impedance of 6.5 ohms.
I don't expect this to make much of a difference in the cathode of your tube, I just wanted to point out that like the Rp of a tube, the "impedance" of a diode varies with current.
dave
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Follow Ups
- RE: Vf vs If for Cree Sic Schottky Diode - Measured at cathode-relevant Currents - dave slagle 07/5/0919:51:23 07/5/09 (3)
- RE: Vf vs If for Cree Sic Schottky Diode - Measured at cathode-relevant Currents - Maxamillion 20:49:30 07/5/09 (2)
- RE: Vf vs If for Cree Sic Schottky Diode - Measured at cathode-relevant Currents - dave slagle 07:16:16 07/6/09 (1)
- Cancellation - Mark Kelly 16:33:30 07/6/09 (0)
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