This circuit was obtained in a magazine for radio amateurs 73 of the 90s. The circuit is based on the XR2206, which is not a component found easily today.
In a transmitter sequencer we have a high input impedance and a low output impedance. The voltage...
This basic configuration aof a touch switch controls a relay. Power supply can be 5, 6 or 12 V...
This circuit amplifies signals from low impedance sources as microphones, transducers, etc. For...