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.
March 2017 - The new ERB-RD, ERB-RE and ERB-RG fuses from Panasonic's Micro Chip Fuses can now be...
Two inverters, of the 6 available in a Low-power Schottky 74LS04, are used in this anti-ring...
The integrated circuit used is a voltage reference from Motorola. This configuration was obtained in...