A kind of active optical module controller

Abstract

The invention discloses an active light module controller, which comprises a control unit, a laser driving chip, a laser diode unit and a photodiode unit, wherein the control unit is used for controlling the laser driving chip via a series data bus; the series data bus consists of a bidirectional data line and a clock line; the grounding ends of the control unit and the laser driving chip are respectively grounded; one end of the laser diode unit is electrically connected to the LD end of the laser driving chip, and the other end of the laser diode unit is electrically connected with the MD end of the laser driving chip; and one end of the photodiode unit is electrically connected to the PD end of the laser driving chip, and the other end of the photodiode unit is electrically connected to a DC power supply. According to the invention, the bidirectional data line and the clock line are electrically connected between the control unit and the laser driving chip, so that the occupied space is small, a circuit space and the quantity of chip tube pins are reduced, interference between the interconnection cost and the signal is reduced, and the integral stability is improved.

Description

technical field [0001] The invention relates to the technical field of optical fiber communication, in particular to an active optical module controller. Background technique [0002] With the development of communication technology, intelligent optical fiber communication network continues to popularize, a large number of applications of optical fiber transmission equipment, and the core device of optical fiber communication equipment, the active optical module is getting faster and faster, the package is getting smaller and smaller, and the degree of intelligence is getting more and more intelligent. high. The intelligent optical module controller requires monitoring of the optical module's operating temperature, operating voltage, bias (Bias) current, transmitted optical power, received optical power, error monitoring (Tx_Fault), and loss of signal (LOS) during normal operation. Perform real-time monitoring. [0003] In order to realize the monitoring and diagnosis of t...

AI Technical Summary

Problems solved by technology

Image 6 As shown, this type of chip has functional modules such as analog-to-digital converters, digital potentiometers, and logic circuits inside. It involves CMOS integration technology and digital circuit lithography technology, and the production process is difficult; this type of chip has many pins and a large package. , which is not conducive to the miniaturization of optical modules; and the high production cost is not conducive to the promotion and use of optical modules.

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