We found this circuit in a 1980s General Electric documentation. It appears from other sources in this section. The circuit makes use of diacs and SCRs of the time.
In this receiver the is formed by 80 turns of wire 28 or close in a ferrite rod. The handset is...
We found this circuit in a documentation from the 90's. Information on the A/D converter was not...
We found this circuit in a Popular Electronics from the 90's. The circuit activates an oscillator...