https://imgur.com/Ae7nlTV
getting ready for cataract fix day
I am seeing a tiny bit of image ghosting, most likely due to the video injection, and not much I can do about it. (guess) I have no real i idea what is doing it.
but did notice...
snip / paste
old_tv_nut
"Duh.. I think I'm awake today... If you use a coupling cap and remove L9, you will need to add a grid bias resistor (say, 100k) from G1 to ground. "
Bit on the SAMs. it says,
V3 pin7 (grid) 130 ohm polarity dependent, could 100k be too high?
I think I'll try 500k or lower and see if it makes any difference.