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 is the target for the CB18793E infrared firing gun. The circuit can be powered by voltages from 5...
The integrated circuit used in this 1986 wireless microphone is not very common today. The L1 coil...
This 1995 circuit directly controls a triac. The triac, in turn, controls the external load. Times...