We found this circuit in American documentation from the 1980s. Transistors can be of general use. The frequency range of the generated signals ranges from 500 kHz to 10 MHz.
This circuit, which can be used safely, has been obtained in a 1987 documentation. It consists of a...
Suggested by Fairchild in a 1980s publication, this multiplier uses operational amplifiers from that...
We found this circuit in an old 1980s documentation. The circuit can be implemented with modern...