CN211531099U - Long-distance transmission QSFP optical module in optical network - Google Patents
Long-distance transmission QSFP optical module in optical network Download PDFInfo
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- CN211531099U CN211531099U CN202020107666.8U CN202020107666U CN211531099U CN 211531099 U CN211531099 U CN 211531099U CN 202020107666 U CN202020107666 U CN 202020107666U CN 211531099 U CN211531099 U CN 211531099U
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Abstract
The utility model relates to a long distance transmission QSFP optical module in optical network, including MCU controller, slow start power, photoelectric circuit one, photoelectric circuit two, photoelectric circuit three and photoelectric circuit four, the output of slow start power with the power end electricity of MCU controller is connected, output one and the control end two of MCU controller respectively with the power end and the output electricity of photoelectric circuit one are connected, output two and the control end two of MCU controller respectively with the power end and the output electricity of photoelectric circuit two are connected, output three and the control end three of MCU controller respectively with the power end and the output electricity of photoelectric circuit three are connected, output four and the control end four of MCU controller respectively with the power end and the output electricity of photoelectric circuit four are connected; the utility model discloses the low power dissipation, received signal sensitivity is high, and optic fibre long distance transmission capacity is big, has good market using value.
Description
Technical Field
The utility model relates to a network transmission QSFP optical module technical field especially relates to a long distance transmission QSFP optical module in optical network.
Background
With the rapid development of internet services and the continuous construction of a large-scale data center system, the requirements of network operators on network construction and communication rate are higher and higher, and the transmission rate of the conventional long-distance QSFP + optical module cannot meet the requirements of high density, high reliability and high rate of a emerging data center market at all, and the receiving sensitivity is lower.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model provides a gondola water faucet plastic injection mold.
The utility model provides a technical scheme, including MCU controller, slow start power, photoelectric circuit one, photoelectric circuit two, photoelectric circuit three and photoelectric circuit four, the output of slow start power with the power end electricity of MCU controller is connected, output one and the control end two of MCU controller respectively with the power end and the output electricity of photoelectric circuit one are connected, output two and the control end two of MCU controller respectively with the power end and the output electricity of photoelectric circuit two are connected, output three and the control end three of MCU controller respectively with the power end and the output electricity of photoelectric circuit three are connected, output four and the control end four of MCU controller respectively with the power end and the output electricity of photoelectric circuit four are connected;
the first photoelectric circuit, the second photoelectric circuit, the third photoelectric circuit and the fourth photoelectric circuit respectively receive a first receiving light, a second receiving light, a third receiving light and a fourth receiving light which are input from the outside;
the photoelectric circuit IV comprises an avalanche voltage control circuit IV, an amplitude limiting amplification and laser driving circuit, a light receiving assembly IV and a light emitting sub-module, wherein the control end of the MCU controller is electrically connected with the receiving end of the laser driving circuit, the avalanche voltage control circuit IV is electrically connected with the receiving pin of the light receiving assembly IV, the output pin of the light receiving sub-assembly IV is electrically connected with the receiving end of the laser driving circuit, the output end of the laser driving circuit is electrically connected with the pin of the light emitting assembly, and the light emitting assembly of the photoelectric circuit IV emits light.
Preferably, the optoelectronic circuit comprises a first limiting amplifier, a first avalanche voltage control circuit and a first light receiving component, wherein a first output end of the MCU controller is electrically connected to a first receiving pin of the first light receiving component through the first avalanche voltage control circuit, a first output pin of the first light receiving component is electrically connected to a first receiving end of a first linear amplifier, and a first output end of the first linear amplifier is electrically connected to a first control end of the MCU controller;
the second photoelectric circuit and the third photoelectric circuit have the same structure as the first photoelectric circuit.
Preferably, the golden finger of the MCU controller is electrically connected with an external system through I2C.
Preferably, the MCU controller controls and reads the IC of each optoelectronic circuit through I2C.
Preferably, the DAC output and the ADC input of the MCU controller are used to control and monitor the operating state of each of the optoelectronic circuits.
Preferably, the slow start power supply is that the MCU controller accesses a 3.3V voltage to the slow start circuit through a gold finger to prevent current surge from being generated at the moment of power-on.
Preferably, the external system inputs the high-frequency differential electrical signal to the laser driving circuit through a gold finger, the laser driving circuit converts the electrical signal into a modulation current to be input to the light emitting assembly, and the light emitting assembly outputs the optical signal.
Compared with the prior art, the utility model has the advantages that the voltage of each circuit can be independently adjusted by arranging the four-channel independent photoelectric circuit, so that the power consumption is reduced; the utility model adopts the avalanche diode to receive signals, thereby improving the receiving sensitivity; the utility model discloses the low power dissipation, received signal sensitivity is high, and optic fibre long distance transmission capacity is big, has good market using value.
Drawings
Fig. 1 is a first block diagram of the overall logic principle of the present invention;
FIG. 2 is a block diagram of the overall logic of the present invention;
fig. 3 is a schematic diagram of an avalanche voltage control circuit according to the present invention;
FIG. 4 is a schematic diagram of the design of the slow start circuit of the present invention;
fig. 5 is a schematic diagram of the limiting amplification and laser driving circuit of the present invention;
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the controller comprises an MCU controller, a slow start power supply, a first photoelectric circuit, a second photoelectric circuit, a third photoelectric circuit and a fourth photoelectric circuit, wherein an output end of the slow start power supply is electrically connected with a power end of the MCU controller, the first output end and the second control end of the MCU controller are respectively electrically connected with the power end and the output end of the first photoelectric circuit, the second output end and the second control end of the MCU controller are respectively electrically connected with the power end and the output end of the second photoelectric circuit, the third output end and the third control end of the MCU controller are respectively electrically connected with the power end and the output end of the third photoelectric circuit, and the fourth output end and the fourth control end of the MCU controller are respectively electrically connected with the power end and the output end of the fourth photoelectric circuit;
the first photoelectric circuit, the second photoelectric circuit, the third photoelectric circuit and the fourth photoelectric circuit respectively receive a first receiving light, a second receiving light, a third receiving light and a fourth receiving light which are input from the outside;
the photoelectric circuit IV comprises an avalanche voltage control circuit IV, an amplitude limiting amplification and laser driving circuit, a light receiving assembly IV and a light emitting sub-module, wherein the control end of the MCU controller is electrically connected with the receiving end of the laser driving circuit, the avalanche voltage control circuit IV is electrically connected with the receiving pin of the light receiving assembly IV, the output pin of the light receiving sub-assembly IV is electrically connected with the receiving end of the laser driving circuit, the output end of the laser driving circuit is electrically connected with the pin of the light emitting assembly, and the light emitting assembly of the photoelectric circuit IV emits light.
Preferably, the optoelectronic circuit comprises a first limiting amplifier, a first avalanche voltage control circuit and a first light receiving component, wherein a first output end of the MCU controller is electrically connected to a first receiving pin of the first light receiving component through the first avalanche voltage control circuit, a first output pin of the first light receiving component is electrically connected to a first receiving end of a first linear amplifier, and a first output end of the first linear amplifier is electrically connected to a first control end of the MCU controller;
the second photoelectric circuit and the third photoelectric circuit have the same structure as the first photoelectric circuit.
Preferably, the golden finger of the MCU controller is electrically connected with an external system through I2C.
Preferably, the MCU controller controls and reads the IC of each optoelectronic circuit through I2C.
Preferably, the DAC output and the ADC input of the MCU controller are used to control and monitor the operating state of each of the optoelectronic circuits.
Preferably, the slow start power supply is that the MCU controller accesses a 3.3V voltage to the slow start circuit through a gold finger to prevent current surge from being generated at the moment of power-on.
Preferably, the external system inputs the high-frequency differential electrical signal to the laser driving circuit through a gold finger, the laser driving circuit converts the electrical signal into a modulation current to be input to the light emitting assembly, and the light emitting assembly outputs the optical signal.
Further, as shown in fig. 3: the independent APD design can independently adjust the voltage of each APD ROSA;
APD _ MON3 is output to the MCU for monitoring ADP current and ultimately converted to input optical power for ROSA.
Has the advantages that: the utility model has the advantages that the voltage of each circuit can be independently adjusted by arranging the four-channel independent photoelectric circuit, so that the power consumption is reduced; the utility model adopts the avalanche diode to receive signals, thereby improving the receiving sensitivity; the utility model discloses the low power dissipation, received signal sensitivity is high, and optic fibre long distance transmission capacity is big, has good market using value.
It should be noted that the above technical features are continuously combined with each other to form a product which is not listed above
The various embodiments are all regarded as the scope of the present invention; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A long-distance transmission QSFP optical module in an optical network is characterized in that: the output end of the slow start power supply is electrically connected with the power end of the MCU controller, the first output end and the second control end of the MCU controller are respectively electrically connected with the power end and the output end of the first photoelectric circuit, the second output end and the second control end of the MCU controller are respectively electrically connected with the power end and the output end of the second photoelectric circuit, the third output end and the third control end of the MCU controller are respectively electrically connected with the power end and the output end of the third photoelectric circuit, and the fourth output end and the fourth control end of the MCU controller are respectively electrically connected with the power end and the output end of the fourth photoelectric circuit;
the first photoelectric circuit, the second photoelectric circuit, the third photoelectric circuit and the fourth photoelectric circuit respectively receive a first receiving light, a second receiving light, a third receiving light and a fourth receiving light which are input from the outside;
the photoelectric circuit IV comprises an avalanche voltage control circuit IV, an amplitude limiting amplification and laser driving circuit, a light receiving assembly IV and a light emitting sub-module, wherein the control end of the MCU controller is electrically connected with the receiving end of the laser driving circuit, the avalanche voltage control circuit IV is electrically connected with the receiving pin of the light receiving assembly IV, the output pin of the light receiving sub-assembly IV is electrically connected with the receiving end of the laser driving circuit, the output end of the laser driving circuit is electrically connected with the pin of the light emitting assembly, and the light emitting assembly of the photoelectric circuit IV emits light.
2. The long-haul QSFP optical module in an optical network as claimed in claim 1, wherein the optoelectronic circuit includes a first limiting amplifier, a first avalanche voltage control circuit, and a first optical receiver, an output terminal of the MCU controller is electrically connected to a receiving pin of the first optical receiver through the first avalanche voltage control circuit, an output pin of the first optical receiver is electrically connected to a receiving terminal of a first linear amplifier, and an output terminal of the first linear amplifier is electrically connected to a control terminal of the MCU controller;
the second photoelectric circuit and the third photoelectric circuit have the same structure as the first photoelectric circuit.
3. The long-distance transmission QSFP optical module in optical network of claim 2, wherein the gold finger of said MCU controller is electrically connected to the external system through I2C.
4. The long-haul QSFP optical module in an optical network as claimed in claim 3, wherein the MCU controller controls and reads the IC of each optoelectronic circuit via I2C.
5. The long-haul QSFP optical module according to claim 4, wherein the DAC output and the ADC input of the MCU controller are configured to control and monitor the operating status of each optoelectronic circuit.
6. The QSFP optical module for long-distance transmission in optical network of claim 5, wherein said slow start power supply is used to prevent current surge from occurring at power-on moment when said MCU controller accesses 3.3V voltage to the slow start circuit through gold finger.
7. The QSFP optical module according to claim 1, wherein an external system inputs a high-frequency differential electrical signal to the laser driver circuit through a gold finger, the laser driver circuit converts the electrical signal into a modulation current, inputs the modulation current to the optical transmitter, and outputs the optical signal from the optical transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107666.8U CN211531099U (en) | 2020-01-17 | 2020-01-17 | Long-distance transmission QSFP optical module in optical network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020107666.8U CN211531099U (en) | 2020-01-17 | 2020-01-17 | Long-distance transmission QSFP optical module in optical network |
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| CN211531099U true CN211531099U (en) | 2020-09-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245513A (en) * | 2020-01-17 | 2020-06-05 | 深圳市力子光电科技有限公司 | Long-distance transmission QSFP optical module in optical network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245513A (en) * | 2020-01-17 | 2020-06-05 | 深圳市力子光电科技有限公司 | Long-distance transmission QSFP optical module in optical network |
| CN111245513B (en) * | 2020-01-17 | 2024-04-23 | 深圳市力子光电科技有限公司 | Long-distance transmission QSFP optical module in optical network |
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