This 200 kHz oscillator was found on a 90's EDN. It consumes only 2.8 mW and has CMOS compatible output. CMOS power pins are not indicated.
Based on an LS3404 this circuit was found in the July 1990 issue of Radio Electronics magazine. |...
This circuit uses as a sensor a thermocouple to detect air flow. We found this circuit in a 1980s...
This RF signal meter has a switch position that allows calibration and comparison of low intensity...