Optical transceiver module having an active linear...

Details Optical transceiver module having an active linear... Optical transceiver module having an active linear...

2007-01-23

2010-06-08

Sedighian, M. R. (Department: 2613)

Optical communications

Optical transceiver

C398S138000, C398S139000

Reexamination Certificate

active

07734184

ABSTRACT:
An optoelectronic transceiver comprises an active linear TOSA circuit mounted on a header. The active linear TOSA circuit includes input nodes for receiving a differential signal pair, a first bipolar transistor, a second bipolar transistor and an electro-optical transducer. A base terminal of the first bipolar transistor is coupled to the two input nodes and an emitter terminal of the first bipolar transistor is coupled to a base terminal of the second bipolar transistor. A collector terminal of the first bipolar transistor is coupled to a first terminal of the electro-optical transducer, the first terminal of the electro-optical transducer also being configured to be coupled to a voltage source. A collector terminal of the second bipolar transistor is coupled to a second terminal of the electro-optical transducer and an emitter terminal of the second bipolar transistor is coupled to a signal ground which is not the header ground.

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U.S. Appl. No. 11/626,320, Sep. 22, 2008, Restriction Requirement.
U.S. Appl. No. 11/626,320, Jan. 9, 2009, Office Action.

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