Optical module
AssigneeHisense Broadband Multimedia Technologies Co., Ltd.
InventorsYaqian Dong, Long Zheng, Hua Zhang
Life of this patent
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Abstract
Some embodiments of the present application provide an optical module, including: a master control chip, a laser transmitter, and a laser receiver; the laser transmitter and the laser receiver being connected to the master control chip, respectively; where the laser receiver includes: a PIN photodiode, a trans-impedance amplifier with a transimpedance of no less than 43K ohms, a lens, and a shell; the PIN photodiode being electrically connected to the trans-impedance amplifier; the PIN photodiode, the trans-impedance amplifier and the lens being encapsulated within the shell in a manner of transistor out-line; and the lens being coated with an antireflection film.
Claims14
An optical module, comprising:
- a master control chip, a laser transmitter and a laser receiver, the laser transmitter and the laser receiver being connected to the master control chip, respectively, wherein the laser receiver comprises a PIN photodiode, a trans-impedance amplifier with a transimpedance of no less than 43K ohms, a lens and a shell, the PIN photodiode being electrically connected to the trans-impedance amplifier, and the PIN photodiode, the trans-impedance amplifier and the lens being encapsulated within the shell in a manner of transistor out-line;
- wherein a conductive gasket is provided between the laser receiver and a housing of the optical module for making the laser receiver be in touch with the housing electrically;
- wherein the optical module further comprises:
- a printed circuit board (PCB) on which the master control chip is provided, wherein the PCB is electrically connected to the laser transmitter and the laser receiver;
- and
- wherein the optical module further comprises:
- a pin assembly, a bracket, a claw and a tail plug, wherein one end of the pin assembly is welded on the PCB and the other end is provided passing through the bracket;
- the laser transmitter and the laser receiver are fixed between the housing and the bracket by the claw;
- and one end of the tail plug is provided within the claw.
An optical module, comprising:
- a master control chip, a laser transmitter and a laser receiver, the laser transmitter and the laser receiver being connected to the master control chip, respectively, wherein the laser receiver comprises a PIN photodiode, a trans-impedance amplifier with a transimpedance of no less than 43K ohms, a lens and a shell, the PIN photodiode being electrically connected to the trans-impedance amplifier, and the PIN photodiode, the trans-impedance amplifier and the lens being encapsulated within the shell in a manner of transistor out-line;
- wherein the optical module further comprises:
- a printed circuit board (PCB) on which the master control chip is provided, wherein the PCB is electrically connected to the laser transmitter and the laser receiver;
- wherein the optical module further comprises:
- a pin assembly, a bracket, a claw and a tail plug, wherein one end of the pin assembly is welded on the PCB and the other end is provided passing through the bracket;
- the laser transmitter and the laser receiver are fixed between the housing and the bracket by the claw;
- and one end of the tail plug is provided within the claw.
Dependencies are inferred from the claim text.