Found in an Electronics World of 1968 this circuit can use any SCR and diodes depending on the load. The circuit is full wave and the unijunction can be 2N2646.
Found in 1980s Electronics Design, this circuit covers 4 decades of frequencies with a unique...
We found this circuit with 5.3V zener in a Philips publication from the 60s. The op amp could be a...
The original purpose of the figure circuit, suggested by National Semiconductor, is to keep the...