This circuit maintains on a flashing LED at a frequency determined by the capacitor. The unijunction transistor can be 2N2646.
Found in a 90s English documentation, this circuit consists of an RF detector for testing in RF...
This circuit is from a 1967 publication. It is possible to power a fluorescent lamp from a 12 V...
This transmitter influences an oscillator that modulates the transmitting stage and at the same...