This 80's circuit has been winning. It is a 1 000 gain sample and hold circuit and an offset current setting. The configuration can be adapted to operate with modern equivalent components.
This dual-gate FET RF signal mixer circuit was found in a 1980s documentation. The circuit is...
November 2016 - TBC8x7 Series Bipolar Transistors with 60 V Vcbo and 150 mA Collector Currents can now...
This circuit produces low power flashes in a LED. Frequency is adjusted by P1 and depends also on...