This variable frequency oscillator for radio transmission covers the range from 1.6 MHz to 20 MHz, depending only on the coil used. The circuit is very stable and can be used in amateur equipment.
This new AMS device consists of a digital color sensor and proximity sensor that also incorporates an infrared...
This amplifier was found in an old publication of 1990. With the changes, it may still be...
This circuit was found in a May 1981 Radio Electronics magazine article. The circuit is offset...