Digital regulated light receive module and regulation method

Details Digital regulated light receive module and regulation method Digital regulated light receive module and regulation method

2008-05-20

2008-05-20

Phan, Hanh (Department: 2613)

Optical communications

Receiver

C398S208000, C398S209000, C398S210000, C398S211000, C398S212000, C398S213000, C398S214000, C398S033000, C398S038000, C398S135000, C398S136000, C398S025000, C398S026000, C398S027000, C250S2140RC, C250S2140AG, C250S2140LA, C250S214100, C250S2140AG, C250S2140SW, C327S514000, C327S513000, C356S073100, C361S093800, C361S094000

Reexamination Certificate

active

10506888

ABSTRACT:
The invention discloses a digital adjusting method for an optical receiver module, and the method implements real-time monitor of parameters, on-line adjustment and non-linear compensation. The digital optical receiver module includes elements as follow: a voltage output circuit of optical power detection24, a DC/DC voltage boost circuit22and a bias voltage adjusting unit which is consisted of an optical-electronic conversion circuit21; a digital adjusting unit25, an analog-digital converter (A/D converter)26and a memory27. The digital adjusting unit25makes on-line adjustment and implements temperature compensation and dark current compensation of the optical receiver module. The A/D converter26monitors the optical power, the working temperature and the bias voltage of the optical detector in real time. The memory27stores parameters of the optical receiver module for comparison with a detected optical power and measured temperature etc. and for on-line interrogation.

REFERENCES:
patent: 6263136 (2001-07-01), Jennings et al.
patent: 6313459 (2001-11-01), Hoffe et al.
patent: 6643472 (2003-11-01), Sakamoto et al.
patent: 7155133 (2006-12-01), Stewart et al.
patent: 1292609 (2001-04-01), None
patent: 1096704 (2001-05-01), None

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