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.
This circuit, for frequencies up to 100 kHz, was found in American documentation from 1970. The...
We found this complementary simetry configuration in a1980s documentation. Transistors, which are...
This circuit was found in an Elektor from the 90s. Next to the circuit we have a table with the...