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.
The LDO series (Low Dropout) TPS80 from Texas Instruments (www.ti.com) can provide output voltages...
This circuit was obtained from an application note from Analog Devices from the 90s. The...
This is the basic configuration for a 5 V output with a maximum current of 5 A with the National...