Receiver for optical digital signals having different amplitudes

Details Receiver for optical digital signals having different amplitudes Receiver for optical digital signals having different amplitudes

1987-05-12

1988-12-20

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455608, 330308, H04B 900

Patent

active

047929987

ABSTRACT:
A receiver for optical digital signals which have different amplitudes which comprises a transimpedance amplifier which has a photodiode connected to its input and which produces an output that is supplied to one of the inputs of a comparator. Oppositely poled diodes are connected between the inputs of the comparator and a reference voltage is supplied to the other input of the comparator and a capacitor is connected to the other input of the comparator which together with a resistor comprises a differentiator for the output signals of the transimpedance amplifier.

REFERENCES:
patent: 4257125 (1981-03-01), Theall, Jr.
patent: 4403159 (1983-09-01), Goerne et al.
patent: 4499609 (1985-02-01), Muska
patent: 4679252 (1987-07-01), Holland
patent: 4688268 (1987-08-01), Holland
Rogers, IBM Tech, vol. 28, #4B, Sep. 1984, pp. 2521-2522, "Transimpedance Input Stage for Current Amplifiers".
Transimpedance Optical Preamplifier Having a Common-Collector Front End--Electronics Letters Nov. 11, 1982, vol. 18, No. 23.
Official Data Bus Receiver for MIL-STD-1553B IEEE 1981, Porter and Muska, pp. 1319-1323.

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