In Reply to: Tube matchin posted by neolith on November 20, 2015 at 22:10:13:
Your signal generator and 'scope method is sound. To check symmetry of calibrations, first reverse the connectors at the scope to confirm the scope is calibrated equal on both channels. Then repeat with the inputs to confirm the difference is really in the tube under test, and not in the signal source.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: Tube matchin - Paul Joppa 22:39:59 11/20/15 (5)
- RE: Tube matchin - neolith 06:55:42 11/21/15 (4)
- RE: Tube matchin - Paul Joppa 09:36:29 11/21/15 (3)
- Noise measurement - Triode_Kingdom 12:29:44 11/22/15 (2)
- RE: Noise measurement - Paul Joppa 14:22:09 11/22/15 (1)
- RE: Noise measurement - Triode_Kingdom 15:45:56 11/22/15 (0)