Binary phase shift keying modulator.
Push the button (bottom left) to start, press the digital button (top left) to modulate the carrier.
Composed of different parts :
- Op-Amp oscillator (Bottom left)
- Buffer and inverter for the carrier (Bottom center)
- Zero crossing detector (Top left)
- Level adapter and analog switch control (Top center)
- Analog switch (Top right)
- Filter (Right)
