This circuit uses CMOS integrated circuits and can operate with CMOS logic from 3 to 15 V or TTL with 5 V power. The power is obtained from the circuit under analysis.
This audio mixer was found in an old American documentation. The potentiometers are 1M and the...
This circuit was found in Philips documentation from 1967. The circuit uses components of the...
In the figure we have a way of receiving ultrasonic signals of a single frequency using a PLL 567....