Found on a 1965 Radio Electronics, this circuit fires a signal xenon lamp applied to the SCR from an external trigger. The pulse transformer generates high voltage for flash triggering.
This 1 kHz oscillator was found in the February 1970 issue of Radio Electronics magazine. It uses...
The 723 integrated circuit is manufactured by several semiconductor companies with different...
This is a combined circuit of tone generator and preamplifier. We found it in a 1975...