CN201789507U - Novel RF analog SFP module - Google Patents
Novel RF analog SFP module Download PDFInfo
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- CN201789507U CN201789507U CN2010200044539U CN201020004453U CN201789507U CN 201789507 U CN201789507 U CN 201789507U CN 2010200044539 U CN2010200044539 U CN 2010200044539U CN 201020004453 U CN201020004453 U CN 201020004453U CN 201789507 U CN201789507 U CN 201789507U
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Abstract
The utility model provides a novel RF (Radio Frequency) analog SFP (Small form-Factor Pluggable) module, which comprises a light emitting/receiving unit, an automatic light-power control unit, a digital diagnosis unit and an RF signal interface unit, wherein the light emitting/receiving unit is connected with the digital diagnosis unit and used for providing light monitoring signal; the digital diagnosis unit is connected with the RF signal interface unit and used for providing a communication interface; the automatic light-power control unit is connected with the light emitting/receiving unit and used for realizing light-power automatic control; and the automatic light-power control unit is connected with the digital diagnosis unit and used for providing the light-power control signal. The novel RF analog SFP module has a simple structure and low power consumption, is hot-pluggable, and satisfies the requirements of the market to communication products, which have high density, small packaging and convenience in maintenance.
Description
Technical field
The utility model relates to a kind of radio frequency analog SFP (SmallForm-factor Pluggables, little encapsulation is hot-swappable) optical module that is applied to optical fiber repeater, belongs to the optical communication technique field.
Background technology
Along with the extensive laying of network, many-sided advantages such as optical fiber repeater is low owing to cost, flexibility good, installation is simple, no pilot pollution become the important component part of the network coverage.And, must possess performances such as high integration, high intelligence, high reliability and high-adaptability as the core light module of optical fiber repeater, to promote the overall performance and the stability of repeater.
And traditional radio frequency optical module can only be realized the transformation of simple radiofrequency signal to the transformation of light signal and light signal to radiofrequency signal, and cost height, bulky, is not easy to integrated and safeguards.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of low cost, low-power consumption, the highdensity radio frequency analog optical module of small size are provided, to satisfy market to communication products high density, little encapsulation, the demand being convenient to safeguard.
The purpose of this utility model is achieved through the following technical solutions:
Novel radio frequency analog SFP module, characteristics are: comprise that light transmits and receives unit, auto light power control unit, digital diagnosis unit and radio frequency signal interface unit, described light transmits and receives the unit and connects digital diagnosis unit, and the light detection signal is provided; Digital diagnosis unit connects radio frequency signal interface unit, and communication interface is provided; Described auto light power control unit connects light and transmits and receives the unit, carries out luminous power and controls automatically; Described auto light power control unit connects digital diagnosis unit, and optical power control signal is provided.
Further, above-mentioned novel radio frequency analog SFP module, wherein, described light transmits and receives the unit and comprises the Optical Transmit Unit and the light receiving unit that is used for light signal is converted to radiofrequency signal that is used for radiofrequency signal is converted to light signal, described Optical Transmit Unit comprises Laser emission optics and current offset drive circuit, the Laser emission optics comprises laser diode LD and monitor photodiode PD, and the current offset drive circuit is connected with laser diode LD;
The auto light power control unit comprises analog to digital converter, digital to analog converter and temperature sensor, and analog to digital converter is connected with monitor photodiode PD, and temperature sensor is connected with analog to digital converter, and digital to analog converter is connected with the current offset drive circuit;
Digital diagnosis unit comprises and is used to gather with the microprocessor of processing module function monitoring data and is used for the data storage of storing subscriber information data and module information data.
Further, above-mentioned novel radio frequency analog SFP module, wherein, described light transmits and receives unit, auto light power control unit, digital diagnosis unit and radio frequency signal interface unit and all is installed in the radio shielding housing.
Again further, above-mentioned novel radio frequency analog SFP module, wherein, described radio frequency signal interface unit is the 20PIN golden finger interface of SFP agreement regulation.
The substantive distinguishing features of technical solutions of the utility model and progressive being mainly reflected in:
The utility model design is unique, simple for structure, hot-swappable, low in energy consumption, compare with the conventional radio frequency optical module and to have saved cost greatly, and volume only is 10% of a conventional radio frequency optical module, and easy to maintenance, autgmentability is strong, be rated as have novelty, the good technology of creativeness, practicality, application prospect is very good.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: the theory diagram of the utility model radio frequency analog SFP module;
Fig. 2: the structured flowchart of the utility model radio frequency analog SFP module;
Fig. 3: light transmits and receives the circuit theory diagrams of unit;
Fig. 4: the circuit theory diagrams of radio frequency signal interface unit.
The implication of each Reference numeral sees the following form among the figure:
| Reference numeral | Implication | Reference numeral | Implication | | Implication | |
| 1 | Light transmits and receives the |
101 | |
102 | |
|
| 2 | The auto light power control unit | 201 | Analog to digital converter | 202 | Digital to analog converter | |
| 203 | Temperature sensor | 3 | Digital diagnosis unit | 301 | Microprocessor | |
| 302 | |
4 | Radio frequency |
5 | The radio shielding housing |
Embodiment
As shown in Figure 1, a kind of novel radio frequency analog SFP module, comprise that light transmits and receives unit 1, auto light power control unit 2, digital diagnosis unit 3 and radio frequency signal interface unit 4, light transmits and receives unit 1, auto light power control unit 2, digital diagnosis unit 3 and radio frequency signal interface unit 4 and all is installed in the radio shielding housing 5; Light transmits and receives unit 1 and connects digital diagnosis unit 3, and the light detection signal is provided; Digital diagnosis unit 3 connects radio frequency signal interface unit 4, and communication interface is provided; Auto light power control unit 2 connects light and transmits and receives unit 1, and realization big gun power is controlled automatically; Auto light power control unit 2 connects digital diagnosis unit 3, and the luminous power automatic control signal is provided.
Light transmits and receives unit 1, is used to provide the emission laser signal and receives laser signal; Auto light power control unit 2 is used for the Output optical power that provides stable when ambient temperature changes, realizes the automatic control to the Laser emission luminous power; Digital diagnosis unit 3 is used for the monitor optical module and transmits and received signal, supply power voltage signal and working temperature; Radio frequency signal interface unit 4 is used to connect interior lights module and external system, transmitting radio frequency signal and provide power supply interface, the I2C communication interface; Radio shielding housing 5 is used to shield the Radio Frequency Interfere that the external world and module self are produced.
As shown in Figure 2, light transmits and receives unit 1 and comprises the Optical Transmit Unit 101 and the light receiving unit 102 that is used for light signal is converted to radiofrequency signal that is used for radiofrequency signal is converted to light signal, Optical Transmit Unit 101 comprises Laser emission optics and current offset drive circuit, the Laser emission optics comprises laser diode LD and monitor photodiode PD, the current offset drive circuit is connected with laser diode LD, be used to provide bias current to make it luminous to laser diode LD, monitor photodiode PD is used for the luminous intensity of monitoring laser diode LD simultaneously; Optical Transmit Unit 101 is used for converting the radiofrequency signal that radio frequency signal interface unit is imported to laser signal and outputs to fiber optic transmission system, and light receiving unit 102 is used for converting the light signal that the reception fiber optic transmission system is sent into to radiofrequency signal and exports by radio frequency signal interface unit.
Auto light power control unit 2 comprises analog to digital converter 201, digital to analog converter 202 and temperature sensor 203, analog to digital converter 201 is connected with monitor photodiode PD, temperature sensor 203 is connected with analog to digital converter 201, digital to analog converter 202 is connected with the current offset drive circuit, produce temperature compensation curve according to the variation of luminous intensity signal and variation of temperature relation, thereby reach the purpose of automatic control luminous power according to the bias current that temperature compensation curve is regulated laser diode.
Digital diagnosis unit 3 comprises and is used to gather with the microprocessor 301 of processing module function monitoring data and is used for the data storage 302 of storing subscriber information data and module information data, microprocessor, microprocessor 301 is used for gathering and processing module function monitoring data, comprise: supply power voltage signal, temperature signal, laser bias current signal, emission light signal, receiving optical signals, and these data are sent with external system monitor.
Radio frequency signal interface unit 4 is the 20PIN golden finger interface of SFP agreement regulation, processor is set up communication link by communication interface and peripheral control unit equipment, the radio frequency analog signal of finishing the conversion between the command format that the control command and the internal circuit chip of outer computer or controller can be discerned and receiving and transmit from external equipment.Radio frequency signal interface unit is supported the hot plug function, is convenient to safeguard, is easy to expansion.
Figure 3 shows that light transmits and receives the circuit theory diagrams of unit; Light transmit and receive unit 1 for the light harvesting emitting module of high integration, high efficiency, small size and optical fiber receive module in the optics of one.Figure 4 shows that the circuit theory diagrams of radio frequency signal interface unit, radio frequency signal interface unit 4 adopts the standard interface that meets the SFP agreement.
In sum, the utility model modern design, adopted the optical module of the Laser emission and the reception one of high integration, the real-time digital diagnostic function, the I2C communication technology at a high speed, succinct circuit design mode, this radio frequency analog optical module have that integrated level height, volume are little, hot-swappable, low in energy consumption, the characteristics of stable performance.Volume has only 10% of conventional radio frequency simulated light module volume, and power consumption is supported the hot plug function less than 1W, can be widely used in optical fiber repeater, wireless access, local area network (LAN) etc., and market prospects are wide.
What need understand is: the above only is a preferred implementation of the present utility model; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. novel radio frequency analog SFP module, it is characterized in that: comprise that light transmits and receives unit (1), auto light power control unit (2), digital diagnosis unit (3) and radio frequency signal interface unit (4), described light transmits and receives unit (1) and connects digital diagnosis unit (3), described digital diagnosis unit (3) connects radio frequency signal interface unit (4), and described auto light power control unit (2) connects light respectively and transmits and receives unit (1) and digital diagnosis unit (3).
2. novel radio frequency analog SFP module according to claim 1 is characterized in that:
Described light transmits and receives unit (1) and comprises the light receiving unit (102) that is used for converting radiofrequency signal the Optical Transmit Unit (101) of light signal to and is used for light signal is converted to radiofrequency signal, described Optical Transmit Unit (101) comprises Laser emission optics and current offset drive circuit, the Laser emission optics comprises laser diode LD and monitor photodiode PD, and the current offset drive circuit is connected with laser diode LD;
Auto light power control unit (2) comprises analog to digital converter (201), digital to analog converter (202) and temperature sensor (203), analog to digital converter (201) is connected with monitor photodiode PD, temperature sensor (203) is connected with analog to digital converter (201), and digital to analog converter (202) is connected with the current offset drive circuit;
Digital diagnosis unit (3) comprises and is used to gather with the microprocessor (301) of processing module function monitoring data and is used for the storing subscriber information data and the data storage of module information data (302).
3. novel radio frequency analog SFP module according to claim 1 is characterized in that: described light transmits and receives unit (1), auto light power control unit (2), digital diagnosis unit (3) and radio frequency signal interface unit (4) and all is installed in the radio shielding housing (5).
4. novel radio frequency analog SFP module according to claim 1 is characterized in that: described radio frequency signal interface unit (4) is the 20PIN golden finger interface of SFP agreement regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200044539U CN201789507U (en) | 2010-01-22 | 2010-01-22 | Novel RF analog SFP module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200044539U CN201789507U (en) | 2010-01-22 | 2010-01-22 | Novel RF analog SFP module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201789507U true CN201789507U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200044539U Expired - Fee Related CN201789507U (en) | 2010-01-22 | 2010-01-22 | Novel RF analog SFP module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201789507U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647605A (en) * | 2011-06-14 | 2014-03-19 | 苏州旭创科技有限公司 | SFP + optical module |
| CN105676379A (en) * | 2016-04-11 | 2016-06-15 | 金钱猫科技股份有限公司 | Photoelectric signal converter |
| CN109547114A (en) * | 2017-09-22 | 2019-03-29 | 深圳市欧凌克光电科技有限公司 | A kind of SFP encapsulation 100G opto-electronic receiver module |
-
2010
- 2010-01-22 CN CN2010200044539U patent/CN201789507U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647605A (en) * | 2011-06-14 | 2014-03-19 | 苏州旭创科技有限公司 | SFP + optical module |
| CN103647605B (en) * | 2011-06-14 | 2017-01-11 | 苏州旭创科技有限公司 | SFP + optical module |
| CN105676379A (en) * | 2016-04-11 | 2016-06-15 | 金钱猫科技股份有限公司 | Photoelectric signal converter |
| CN109547114A (en) * | 2017-09-22 | 2019-03-29 | 深圳市欧凌克光电科技有限公司 | A kind of SFP encapsulation 100G opto-electronic receiver module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20140122 |