CN202585494U - Coaxially-packaged pin-FET optical receiver assembly - Google Patents
Coaxially-packaged pin-FET optical receiver assembly Download PDFInfo
- Publication number
- CN202585494U CN202585494U CN 201220218004 CN201220218004U CN202585494U CN 202585494 U CN202585494 U CN 202585494U CN 201220218004 CN201220218004 CN 201220218004 CN 201220218004 U CN201220218004 U CN 201220218004U CN 202585494 U CN202585494 U CN 202585494U
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- optical fiber
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- fet
- receiver assembly
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Abstract
The utility model provides a coaxially-packaged pin-FET optical receiver assembly. The optical receiver assembly includes a TO-can tube base, a tube cap used for hermetical package of the tube base and an optical fiber adapter. The TO-can tube base is provided with a semiconductor integrated preamplifier chip and a photoelectric converter chip, and a convergent lens is arranged between the photoelectric converter chip and a fiber end surface of the optical fiber adapter. With the dedicated high-sensitivity, low-noise, high-bandwidth semiconductor integrated preamplifier chip, the optical receiver assembly almost has no external-connection element, avoiding influence of distribution parameters of a circuit on the performance of the circuit; and the semiconductor integrated preamplifier chip and a PIN-PD or an APD photodiode are hermetically packaged together on the small TO-can tube base, which enables a compact structure. Thus, compared with the dual-in-line packaged PIN-FET optical receiver assembly in the prior art, the coaxially-packaged PIN-FET optical receiver assembly provided by the utility model has the advantages of small volume, light weight, favorable performance and low cost.
Description
Technical field
The utility model relates to a kind of TO-can (Transistor Outline Can is hereinafter to be referred as TO-can) coaxial packaging optical fiber receive module, relates in particular to a kind of coaxial packaging PIN-FET optical fiber receive module.
Background technology
The PIN-FET optical fiber receive module that is widely used in optical fiber sensing systems such as optic fiber gyroscope at present is the combination of PIN photodiode and the pre-amplification circuit that is separated the element formation by field-effect transistor (FET), microwave triode etc.Its operation principle is with the light signal that receives, and carries out opto-electronic conversion by PIN photodiode, and the signal of telecommunication after the conversion carries out signal through preamplifier and amplifies output, and the signal of telecommunication of output has characteristics such as high-gain, high bandwidth, low noise.Because its distributed constant of pre-amplification circuit that resolution element constitutes causes adverse effect to performances such as the high-gain of PIN-FET optical fiber receive module, high bandwidth, low noises; Because existing PIN-FET optical fiber receive module all adopts the encapsulation of dual inline type shell, make the PIN-FET optical fiber receive module have shortcomings such as physical dimension is big, cost height simultaneously.
The utility model content
For overcoming above deficiency, the utility model provides the coaxial packaging PIN-FET that a kind of size is little, performance good, cost is low optical fiber receive module.
For reaching above goal of the invention; The utility model provides a kind of coaxial packaging PIN-FET optical fiber receive module; Comprise that a TO-can base, is used for the pipe cap and a fiber adapter of this base level Hermetic Package; Said TO-can base is installed a semiconductor integrated form preamplifier chip and an electrooptical device chip is set, and is provided with a plus lens between this electrooptical device chip and the fiber adapter fiber end face.
Said TO-can base is TO-46, TO-8 or TO-5 base.
Said semiconductor integrated form preamplifier chip is that CMOS strides the preposition amplification circuit of resistance.
Said electrooptical device chip is PIN-PD photodiode chip or APD avalanche photodide chip.
Said plus lens is a globe lens, and these lens are positioned at said pipe cap center.
Said fiber adapter comprises a tail optical fiber connector.
Said fiber adapter comprises a plug-in connector.
Owing to adopt special-purpose highly sensitive, low noise, high bandwidth semiconductor integrated form preamplifier chip; Almost there is not outer connecting element; Overcome of the influence of the distributed constant of circuit to circuit performance; With PIN-PD or APD photodiode chip level Hermetic Package on less TO-can base; Compact conformation, thereby the PIN-FET optical fiber receive module volume of employing the utility model coaxial packaging PIN-FET optical fiber receive module dual in-line package before is little, in light weight, performance is good, cost is low.
Description of drawings
Fig. 1 representes the structural representation of the utility model coaxial packaging PIN-FET optical fiber receive module.
Embodiment
Describe the utility model most preferred embodiment in detail below in conjunction with accompanying drawing.
Coaxial packaging PIN-FET optical fiber receive module as shown in Figure 1; Comprise that a TO-can base 1, is used for the pipe cap 4 and a fiber adapter 5 of this base level Hermetic Package; TO-can base 1 is installed a semiconductor integrated form preamplifier chip 2 and an electrooptical device chip 3 is set, and is provided with a plus lens 6 between this electrooptical device chip and fiber adapter 5 fiber end faces, and these lens can be globe lenss; Be positioned at pipe cap 4 centers, form pipe cap lens.TO-can base 1 can adopt TO-46, TO-8 or TO-5 base.Electrooptical device chip 3 can adopt PIN-PD photodiode chip or APD avalanche photodide chip.The special-purpose height that semiconductor integrated form preamplifier chip 2 adopts complementary metal oxide semiconductors (CMOS) CMOS (Complementary Metal-Oxide-Semiconductor) technology to make is striden the preposition amplification circuit of resistance, replaces the integrated height of traditional mixing and strides resistance FET preamplifier.Fiber adapter 5 can be a tail optical fiber connector or plug-in connector.Light signal is through fiber adapter 5 input, focuses on the back through plus lens 6 and received and converted to the signal of telecommunication by electrooptical device chip 3 and be input to dedicated semiconductor integrated form preamplifier chip 2, the signal of telecommunication amplified export.Owing to adopt special-purpose highly sensitive, low noise, high bandwidth semiconductor integrated form preamplifier chip 2; Almost there is not outer connecting element; Overcome of the influence of the distributed constant of circuit to circuit performance; With PIN or APD photodiode chip level Hermetic Package on less TO-can base 1; Its compact conformation, thereby the PIN-FET optical fiber receive module volume of employing the utility model coaxial packaging PIN-FET optical fiber receive module dual in-line package before is little, in light weight, performance is good, cost is low.
Claims (7)
1. coaxial packaging PIN-FET optical fiber receive module; It is characterized in that; Comprise that a TO-can base (1), is used for the pipe cap (4) and a fiber adapter (5) of this base level Hermetic Package; Said TO-can base (1) is installed a semiconductor integrated form preamplifier chip (2) and an electrooptical device chip (3) is set, and is provided with a plus lens (6) between this electrooptical device chip and fiber adapter (5) fiber end face.
2. according to the said coaxial packaging PIN-FET optical fiber receive module of claim 1, it is characterized in that said semiconductor integrated form preamplifier chip (2) is striden the preposition amplification circuit of resistance for CMOS.
3. according to the said coaxial packaging PIN-FET optical fiber receive module of claim 2, it is characterized in that said TO-can base (1) is TO-46, TO-8 or TO-5 base.
4. according to the said coaxial packaging PIN-FET optical fiber receive module of claim 3, it is characterized in that said electrooptical device chip (3) is PIN-PD photodiode chip or APD avalanche photodide chip.
5. according to the said coaxial packaging PIN-FET optical fiber receive module of claim 4, it is characterized in that said plus lens (6) is a globe lens, these lens are positioned at said pipe cap (4) center.
6. according to claim 1,2,3,4 or 5 described coaxial packaging PIN-FET optical fiber receive modules, it is characterized in that said fiber adapter (5) comprises a tail optical fiber connector.
7. according to claim 1,2,3,4 or 5 described coaxial packaging PIN-FET optical fiber receive modules, it is characterized in that said fiber adapter (5) comprises a plug-in connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218004 CN202585494U (en) | 2012-05-15 | 2012-05-15 | Coaxially-packaged pin-FET optical receiver assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218004 CN202585494U (en) | 2012-05-15 | 2012-05-15 | Coaxially-packaged pin-FET optical receiver assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585494U true CN202585494U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220218004 Expired - Fee Related CN202585494U (en) | 2012-05-15 | 2012-05-15 | Coaxially-packaged pin-FET optical receiver assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN202585494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467535A (en) * | 2015-12-17 | 2016-04-06 | 湖北捷讯光电有限公司 | Wavelength-adjustable receiver optical subassembly |
| CN107946376A (en) * | 2016-10-13 | 2018-04-20 | 三菱电机株式会社 | Semiconductor light-receiving module |
| CN109347545A (en) * | 2018-10-15 | 2019-02-15 | 武汉电信器件有限公司 | A kind of APD axis light receiving unit for OTDR |
-
2012
- 2012-05-15 CN CN 201220218004 patent/CN202585494U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467535A (en) * | 2015-12-17 | 2016-04-06 | 湖北捷讯光电有限公司 | Wavelength-adjustable receiver optical subassembly |
| CN107946376A (en) * | 2016-10-13 | 2018-04-20 | 三菱电机株式会社 | Semiconductor light-receiving module |
| CN107946376B (en) * | 2016-10-13 | 2020-03-13 | 三菱电机株式会社 | Semiconductor light receiving module |
| CN109347545A (en) * | 2018-10-15 | 2019-02-15 | 武汉电信器件有限公司 | A kind of APD axis light receiving unit for OTDR |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Shigu Road No. 3008 Jintai Building 1 building 4 layer Patentee after: Shenzhen City Fibercom Technology Co., Ltd. Patentee after: Jiangxi Feixin Optical Fiber Sensing Device Co., Ltd. Address before: Nanshan District Xili Town, Shenzhen city Guangdong province 518055 new Wai Wang Tong Industrial Zone in the 12 floor of building 6 North fibercom Patentee before: Shenzhen City Fibercom Technology Co., Ltd. Patentee before: Jiangxi Feixin Optical Fiber Sensing Device Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen City Fibercom Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen City Fibercom Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150515 |
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| EXPY | Termination of patent right or utility model |