Found in American documentation from the 90's, this circuit applies to other operational amplifiers. The frequency can be changed by changing the components.
Under this name, the popular electronic magazine of major/June 1969 introduced a simple...
This circuit was found in a 90s Radio Electronics. The FM encoder or multiplexer is an uncommon...
Found in an American publication from 1968, this circuit generates pulses at a rate of 2,500 per...