Found in a 1965 General Electric datasheet, this low frequency circuit divides the frequency of a 20 kHz signal by 10, thus obtaining a 200 Hz signal.
IDT ZSSC3230 Capacitive Sensor Signal Conditioner Available from Mouser Electronics stock, this IDT...
This circuit uses only two common transistors and provides good audio power in a speaker. Readers who...
This is the analog part of the previous circuit with the pressure sensor for the altimeter. The...