This oscillator was found in the January 1987 issue of Radio Electronics magazine. The frequency is adjusted by C1, and the output has good symmetry. The power supply is typically 3 to 12 V.
This circuit is from old American documentation, using a regulator integrated circuit that is...
Very simple, this radio control circuit for short distances was found in an Electronic Design from...
This CMOS generator with the 4018 IC was found in a November 1976 Radio Electronics magazine. It...