Dual rate, burst mode, radiation hardened, optical transceiver

Details Dual rate, burst mode, radiation hardened, optical transceiver Dual rate, burst mode, radiation hardened, optical transceiver

1996-06-11

1998-10-27

Bacares, Rafael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359189, H04B 1000

Patent

active

058284761

ABSTRACT:
A transceiver (14) for recovering two different types of manchester coded, optical data signals from a photodiode is disclosed. The transceiver (14) includes a preamplifier (28) that receives and differentially amplifies the optical signal to reject power supply noise. The output of the preamplifier (28) is applied to an AC coupler (30) that extracts DC signal components using a switching circuit to produce a purely differential signal. A post amplifier/quantizer (34) receives the purely differential signal from the AC coupler (30) and generates a quantized signal therefrom. The quantized signal is applied to a data filter, clock recovery and control logic system 36 (36) that recovers a clock signal from the data signal that is synchronized by every data edge of the quantized signal.

REFERENCES:
patent: 4713841 (1987-12-01), Porter et al.
patent: 5371763 (1994-12-01), Ota et al.
patent: 5430766 (1995-07-01), Ota et al.
patent: 5444561 (1995-08-01), Kaminishi
patent: 5644418 (1997-07-01), Woodward

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