This space mark demodulator for FSK signals was found in an American telecommunication documentation from the 1980s. The circuit operates with 2025 Hz and 225 Hz mark space signals.
This circuit has its battery charged by a solar system. The circuit uses components that admit...
A 25 mVpp applied to the input of this circuit produces in the output a 1 Vpp signal. The...
June 2017 - The new EEH-ZK (Type V) hybrid conductive polymer capacitors from Panasonic with...