I notice some slightly doubled up lines for each curve. Some tube hysteresis factor or capacitance in the test setup maybe? Someone even mentioned recently an article by Norman Crowhurst about the absolute limitations of VT amplification accuracy due to vaccum tube hysteresis. But those doubled up lines look a bit too perfect for that.
And the clean separation of the curves at the bottom don't look like typical tube curves.
Some Mosfet contraption likely.
And the clean separation of the curves at the bottom don't look like typical tube curves.
Some Mosfet contraption likely.
Last edited:
That's a pretty good approximation to an ideal triode, which is a voltage-controlled voltage source with series resistance Rp.
Curiously, the triode is the only amplifying device known with an effective voltage source inside, though it's usually a pretty bad source in the greater scheme of things (Rp in kohms).
Tim
Curiously, the triode is the only amplifying device known with an effective voltage source inside, though it's usually a pretty bad source in the greater scheme of things (Rp in kohms).
Tim
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.