Optical receiver with signal splitter

Details Optical receiver with signal splitter Optical receiver with signal splitter

1995-04-18

1996-01-16

Williams, Hezron E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

330 59, 330126, 250214A, H04B 1006

Patent

active

054853028

ABSTRACT:
An optical receiver receives a wideband input signal and separates the wideband input signal into at least a first narrowband signal (FB.sub.1) and a second broadband signal (FB.sub.2). A photodiode (3) receives the wideband input signal and generates a photo-current responsive to the wideband input signal. The photodiode has a first terminal (K) and a second terminal (A). First (1) and second (2) subcircuits respectively are coupled to receive the photo-current generated by the photodiode (3). The first subcircuit (1) includes an amplifier. The first narrowband signal (FB.sub.1) and the second broadband signal (FB.sub.2) are respectively separated from the wideband input signal with the first subcircuit (1) and the second subcircuit (2). The narrowband signal (FB.sub.1) includes a digital (telephone) signal and the broadband signal (FB.sub.2) includes a CATV signal which are both included in the wideband input signal.

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"Lichtwellenleitertechnik" [Light Guide Technology] by Dieter Lutz, Publ. Pflaum Verlag Muenchen, 1986, pp. 279 to 289.
Jerry Sevick, "Transmission Line Transformers", Summer/Fall 1989, pp. 34-41, IEEE MTT-S Newsletter.

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