11-12-2016, 07:17 PM
Thanks Michael.
I certainly agree these valves really don't do what you'd expect.
Yes Mark there is a bit of 3rd harmonics, that seems to be from the preamp TBH and this doesn't happen with the single valve TX or with the three valve set up with feedback, backing off the gain on the two valve TX does reduce third harmonic distortion.
Back to Michael.
I've tried using the other rod valves as a Micro TX and yes these work well to and are easy to modulate, you need a higher HT which gives more range of course but my idea on this was to get as low a component count as possible.
Pat
Of course you are correct about the EMP, the valves will be fully functional after the pulse.
Incidentally, I'd love to see all enthusiasts using these wonderful devices and if my little circuit gives pleasure elsewhere then please go for it.
Many thanks for all that have looked, to Michael for getting me started with these valves and J Sousa too for so much info
I certainly agree these valves really don't do what you'd expect.
Yes Mark there is a bit of 3rd harmonics, that seems to be from the preamp TBH and this doesn't happen with the single valve TX or with the three valve set up with feedback, backing off the gain on the two valve TX does reduce third harmonic distortion.
Back to Michael.
I've tried using the other rod valves as a Micro TX and yes these work well to and are easy to modulate, you need a higher HT which gives more range of course but my idea on this was to get as low a component count as possible.
Pat
Of course you are correct about the EMP, the valves will be fully functional after the pulse.
Incidentally, I'd love to see all enthusiasts using these wonderful devices and if my little circuit gives pleasure elsewhere then please go for it.
Many thanks for all that have looked, to Michael for getting me started with these valves and J Sousa too for so much info
