Quote:
Originally Posted by old_tv_nut
Did you ever get a 315 kHz crystal? I think it should be feasible to break the feedback path of the oscillator and install a 555 timer oscillator to drive the grid if you can't get a crystal.
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Possibly more accurate to get a 31.5khz crystal and use a PLL to scale it x10. The 555 has way too much drift to be used in this kind of application.
