This circuit is designed to analyze the distortion of an audio signal. We found it in an article in the October 1988 Radio Electronics magazine that teaches how to use it.
This circuit produces fast light pulses in na incandescent lamp. Pulse rate is adjusted by P1. The...
In the figure we have the circuit of a pulse transmitter modulated in frequency (PFM) in the range...
In the figure we show how to obtain a stabilized voltage for the filament of a 6.3 V x 100 mA...