The circuit presented was obtained in a technical documentation from National Instruments. The low-consumption circuit supplies a common LED with a voltage of just 1.5 V.
The circuit shown is from an old English publication from 1965. We can adapt the circuit to work...
January 2017 - STMicroelectronics' new TN4015H SCRs with 40 A currents and high temperature...
This micro FM transmitter uses a tunnel diode as an oscillator. I found it in an English...