This circuit for audio applications was found in an English magazine from the 80's. The circuit has a pass band below 3 kHz making it ideal for telecom applications.
This circuit provides a signal that is twice the frequency of the input signal. The circuit was...
An interesting application of the 4093 integrated circuit is the one shown in the figure, in which...
This tunnel diode oscillator was found in July 1986, Radio Electronics magazine. Note the low...