Found in an old American publication, this circuit generates signals of various waveforms. The frequency depends on the components. Operational amplifiers are from the period.
Found in the August 1994 issue of Electronics Now, this CMOS circuit uses the 4046, which is...
We found this circuit in an English publication from 1982. The power MOSFET can be of any type and the...
This tunnel diode oscillator was found in July 1986, Radio Electronics magazine. Note the low...