This 16-second voice recording circuit was featured in a telephone answering machine circuit in the March 1992 issue of Radio Electronics magazine.
This circuit was obtained in a 90s Popular Electronics. It is used for tuning on AM radios. The...
This circuit was found in the November 1959 Radio Electronics magazine; The circuit generates a...
The main feature of this circuit is that it provides a sine waveform signal. In this circuit, the...