Phase and amplitude can be controlled in this circuit found in the May 1988 Radio Electronics magazine. The circuit requires a symmetrical power supply.
Using two LM377s, this amplifier provides a few watts of audio in a low impedance speaker and the power...
This transistor flasher was found in an English magazine that no longer exists from 1975. The...
This VCO with the 4046 PLL generates signals from 0 to 1.5 kHz. The circuit is from a Radio...