Based on NXP 74HC logic, this circuit can be adapted for various uses. The circuit can also be used with 12V power, and the circuit replaced with a common 4046 PLL.
The circuit we present was found in an English magazine from 1973. The complementary pair of power...
This circuit that equipped many transistor radios from the 50's was found in an American...
The circuit shown can be used on an infrared audio link. This circuit is from a Popular...