This circuit was obtained in an American publication of the time. Transistors are commonly used. The circuit can be adapted for use as a shield.
In the diagram we show how to divide the frequency by multiples of 10 using several CMOS...
The integrated circuit used in this application is a double 741 from SGS. The supply must be...
This circuit was found in a 1978 English magazine. It is a configuration that aims to select the...