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 an American documentation from the 90s, this sophisticated circuit is suitable for...
This Wheatstone bridge has a thermistor or NTC sensor, allowing the measurement of temperatures by...
This circuit shows how to get 5 V under low current from an operating amplifier 741. I got this...