FSK Demodulator employing a switched capacitor filter and period

FSK Demodulator for frequency-modulation modem

FSK Demodulator utilizing multiple-phase reference frequencies

FSK Demodulator with concurrent carrier and clock synchronizatio

FSK demodulator with high noise immunity digital phase detector

FSK frequency discriminator for a coherent optical transmission

Full wave amplitude modulation detector circuit

Full wave envelope detector using current mirrors

Full wave rectifier envelope detector

GaAs Dual-gate FET frequency discriminator

Gated demodulator for shaped BPSK signals

Gated quadrature detector biased to switch on sinusoidal zero cr

Heteropolar machine for demodulating polyphase voltages interfer

High dynamic range detector for indicating the quieting level of

High frequency discriminator with a crystal phase shift network

High selectivity radio receiver

High signal to noise ratio amplitude detector

High speed FM and AM demodulator

Hybrid tracking loop for detecting phase shift keyed signals

Indoor type telephone network interface device