This circuit was found in the January 1999 issue of Electronics Now magazine. The circuit uses an integrated circuit from the period and has earphone listening.
This circuit was found in the July 1969 Radio Electronics magazine. The circuit controls resistive...
August 2017 - Mouser Electronics is announcing the availability of TDK ICS-52000 microphones with...
The oscillator of this circuit operates around 8 MHz, but the output will be at a frequency three times...