This circuit has its application suggested in an alarm system. The circuit is from an old RCA manual. R1 has 5.6 ohm, R2 22k, R3 2k2. The capacitor is 8 uF.
This circuit is designed to trigger a xenon lamp from a switch. The circuit was found in the May...
This circuit consists of a stereo audio compressor. We found it in Radio Electronics magazine from...
This circuit, found in a 1977 documentation, indicates when the grid voltage goes through zero....