This 80's General Electric circuit is guarded by the noise-guard for operating current. The circuit has an input sensitivity of 3 pA. The font must be symmetrical.
We found this circuit in a 1964 Electronic Design. It divides the frequency of a 20 MHz signal by...
This circuit was found in the November 1987 Radio Electronics magazine. The trigger voltage is...
This high-powered megaphone circuit is from a Radio Electronics from December 1964. Note the use...