The frequency of this circuit can be varied from zero. The circuit uses the CMOS 4046 and was found in the November 1984 issue of Radio Electronics magazine. The base frequency is given by C1.
Suggested in a 90s European documentation, this amplifier is based on the TEA2025, presenting a...
This circuit makes use of an old operational one to generate clock signals that depend on the...
In the figure we show a configuration for a crystal-controlled overtone oscillator using a...