This dual-gate FET RF signal mixer circuit was found in a 1980s documentation. The circuit is intended for applications in superheterodyne receivers of the time.
Found in a 90’s Radio Electronics magazine, this circuit uses a component from the time, difficult...
The purpose of this circuit is to imitate the dripping of a faucet. The circuit was found in a...
The output transistors can be BC548 and BC558. The circuit is from a 1975 documentation showing a...