This oscillator version is from an RCA documentation from the 1970s. Transistors support modern equivalents and the power can be supplied in a voltage range of 5 to 12 V. For Q2 we suggest the BD136.
Found in old American documentation, this circuit can be implemented with modern operational...
This circuit was found in a 1960 transistor manual from Sylvania. The components are from that...
This circuit reverses the signal if both positive and negative. We found it in an American...