This circuit was obtained from Signetics documentation from the 80's. The components used are from that time. The circuit can serve as a basis for repair, maintenance or projects with modern components.
We found this oscillator in a 1978 amateur radio documentation. The circuit supports other...
The transducer used in this configuration that appears elsewhere on this site is a piezoelectric...
Assembled with SMD components this circuit can be very small. The range is a few tens of meters. We...