Found in Unitrode documentation from the 1980s, this circuit makes use of PUTs, currently common components. The circuit must be powered with voltages around 15 V.
BitCloud 4.0 Complete zigbee Software Development Kit is Available Now CHANDLER, Ariz., Feb. 13, 2017 —...
This speed monitor circuit for permanent magnet motors was found in an American documentation from...
This circuit, found in an old magazine of the year 1968, uses a Power germanium transistor. This...