We found this circuit in the November 1984 Radio Electronics magazine. The base frequency is given by C1. The power supply can be between 3 and 12 V.
This circuit for analog TV was found in an American documentation from the 90s. The circuit uses an...
The rectangular oscillator shown in the figure makes use of one of the four NAND ports of an...
This two-input limit detector was found in an American 1980s documentation. The circuit can be...