Title :
Digital demodulator for optical FSK signals
Author :
Egnell, L. ; Wickman, C.
fDate :
3/1/1990 12:00:00 AM
Abstract :
The authors present a novel FSK-demodulator for optical phase diversity receivers. It is based on a digital flip-flop and is shown to have a sensitivity of about 3 dB below that of a delay and multiply demodulator. The concept is a step towards a fully integrated low-cost FSK receiver.
Keywords :
demodulators; digital circuits; diversity reception; frequency shift keying; optical communication equipment; receivers; FSK-demodulator; delay demodulator; digital flip-flop; fully integrated low-cost FSK receiver; multiply demodulator; optical FSK signals; optical phase diversity receivers; sensitivity;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900192
