Found in Motorola's 1968 power circuit manual, this circuit has a high input voltage and no information was given about the transformers as the original types are commercial at the time.
This circuit, published in the 1980s, can be applied to operational amplifiers of almost any type....
Found in a 1969 Electronics World, this circuit generates low frequency signals with two...
This circuit was found in a 1980s documentation for amateur radio. The circuit is for 9 MHz...