CN117076369A - High-speed serial data transmission device - Google Patents
High-speed serial data transmission device Download PDFInfo
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- CN117076369A CN117076369A CN202310967104.9A CN202310967104A CN117076369A CN 117076369 A CN117076369 A CN 117076369A CN 202310967104 A CN202310967104 A CN 202310967104A CN 117076369 A CN117076369 A CN 117076369A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 174
- 230000006855 networking Effects 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 8
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
Abstract
The application provides a high-speed serial data transmission device, which relates to the technical field of digital information transmission, and comprises: the device comprises a digital control module, a first transceiver module and a second transceiver module; the digital control module is connected with the first transceiver module; the second transceiver module is arranged between the first transceiver module and the bus; the first transceiver module and the second transceiver module are configured to transmit baseband data between the digital control module and the bus. The high-speed serial data transmission device provided by the embodiment of the application can solve the contradiction between the length of the branch line and the working frequency of the signal in the traditional bus type structure by utilizing the front transceiver to drive the branch line in the bus type networking structure, so that the received signal is not influenced by the length of the branch line, and the accuracy of the received signal of the receiving node is improved.
Description
Technical Field
The application relates to the technical field of digital information transmission, in particular to a high-speed serial data transmission device.
Background
The bus structure is characterized in that all nodes are hung on one bus, and the bus structure is easy to realize, low in cost, flexible in wiring and good in expansibility.
But all nodes are directly connected to the same bus, which limits the branch line length. When the bus branch line is too long, the rising edge and the falling edge generate a step phenomenon, and when the step is just near the logic recognition threshold value, the bit width is easy to be offset, so that the receiving node receives errors.
Disclosure of Invention
The embodiment of the application provides a high-speed serial data transmission device which is used for solving the technical problem of receiving errors of receiving nodes caused by overlong bus branch lines in the related art.
In a first aspect, an embodiment of the present application provides a high-speed serial data transmission device, including:
the device comprises a digital control module, a first transceiver module and a second transceiver module;
the digital control module is connected with the first transceiver module; the second transceiver module is arranged between the first transceiver module and the bus; the first transceiver module and the second transceiver module are used for transmitting baseband data between the digital control module and the bus;
the second transceiver module comprises a second transceiver, a first transformer and a third transformer, wherein the first transformer provides a first power supply for the second transceiver through a center tap, and the second transceiver provides a second power supply for the third transformer through the center tap;
the first transceiver module comprises a first transceiver and a fifth transformer, and the fifth transformer provides a third power supply for the first transceiver through a center tap;
the first transceiver provides a fourth power supply to the digital control module.
In some embodiments, the second transceiver module further comprises a second transformer;
the first transmission port and the second transmission port of the first transformer are respectively connected with a bus for transmitting and sending signals;
the first transmission port and the second transmission port of the second transformer are respectively connected with a bus for transmitting and receiving signals;
the third transmission port and the fourth transmission port of the first transformer are respectively connected with the first transmission port and the second transmission port of the second transceiver for transmitting the sending signals;
the third transmission port and the fourth transmission port of the second transformer are respectively connected with the third transmission port and the fourth transmission port of the second transceiver for transmitting the received signals;
the center tap of the first transformer is connected with a first power supply port of the second transceiver;
the center tap of the second transformer is connected to the first ground port of the second transceiver.
In some embodiments, the second transformer grounds the first ground port of the second transceiver through a center tap.
In some embodiments, the second transceiver module further comprises a fourth transformer;
the first transmission port and the second transmission port of the third transformer are respectively connected with the fifth transmission port and the sixth transmission port of the second transceiver;
the first transmission port and the second transmission port of the fourth transformer are respectively connected with the seventh transmission port and the eighth transmission port of the second transceiver;
the center tap of the third transformer is connected with a second power supply port of the second transceiver;
the center tap of the fourth transformer is connected to the second ground port of the second transceiver.
In some embodiments, the second transceiver grounds the center tap of the fourth transformer through the center tap.
In some embodiments, the first transceiver module further comprises a sixth transformer;
the first transmission port and the second transmission port of the fifth transformer are connected with the third transmission port and the fourth transmission port of the third transformer through cables respectively;
the first transmission port and the second transmission port of the sixth transformer are connected with the third transmission port and the fourth transmission port of the fourth transformer through cables respectively;
the third transmission port and the fourth transmission port of the fifth transformer are respectively connected with the first transmission port and the second transmission port of the first transceiver for transmitting the sending signal;
the third transmission port and the fourth transmission port of the sixth transformer are respectively connected with the third transmission port and the fourth transmission port of the first transceiver for transmitting the received signals;
a center tap of the fifth transformer is connected with a first power port of the first transceiver;
the center tap of the sixth transformer is connected to the first ground port of the first transceiver.
In some embodiments, the sixth transformer grounds the first ground port of the first transceiver through a center tap.
In some embodiments, a first power port of the digital control module is connected to a second power port of the first transceiver;
the first ground wire port of the digital control module is connected with the second ground wire port of the first transceiver.
In some embodiments, the first transceiver grounds a first ground port of the digital control module.
In some embodiments, the first and second transmission ports of the digital control module are connected to a fifth and sixth transmission port of the first transceiver, respectively;
the third transmission port and the fourth transmission port of the digital control module are respectively connected with the seventh transmission port and the eighth transmission port of the first transceiver.
The high-speed serial data transmission device provided by the embodiment of the application can solve the contradiction between the length of the branch line and the working frequency of the signal in the traditional bus type structure by utilizing the front transceiver to drive the branch line in the bus type networking structure, so that the received signal is not influenced by the length of the branch line, and the accuracy of the received signal of the receiving node is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following descriptions are some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram of a bus topology provided in the related art;
fig. 2 is a schematic structural diagram of a high-speed serial data transmission device according to an embodiment of the present application;
FIG. 3 is a circuit configuration diagram of a high-speed serial data transmission device according to an embodiment of the present application;
fig. 4 is a second circuit diagram of a high-speed serial data transmission device according to an embodiment of the present application.
Detailed Description
In the traditional high-speed data transmission networking field, in order to improve the transmission rate and improve the transmission distance, baseband data is generally subjected to multi-carrier modulation (OFDM), even carrier frequency conversion is performed, signals are transmitted by using a radio frequency transceiver, the complexity of a system is greatly increased, and the direct baseband transmission by adopting a bus type networking is very convenient. The contradiction between the length of the branch line and the working frequency of the signal in the traditional bus type structure can be solved by utilizing the front-end transceiver to drive the branch cable, but the high-speed front-end transceiver and the terminal are required to be powered, and in some occasions, no local socket exists, so that remote power supply is required.
Fig. 1 is a schematic structural diagram of a bus topology provided in the related art, and as shown in fig. 1, the bus structure is characterized in that all nodes are hung on a bus, and the bus topology is easy to implement, low in cost, flexible in wiring and good in expansibility. But this also presents a problem: the branch line length is limited. When the bus branch line is too long, the rising edge and the falling edge generate a step phenomenon, and when the step is just near the logic recognition threshold value, the bit width is easy to be offset, so that the receiving node receives errors.
The bus type networking structure is different from the point-to-point remote power supply of the traditional exchange type networking, the bus type networking is the point-to-many remote power supply, two pairs of differential lines are adopted, one pair is receiving, the other pair is transmitting, and the power supply is realized by utilizing a transformer center tap, so that the power supply problem of terminal and front transceiver can be solved.
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Fig. 2 is a schematic structural diagram of a high-speed serial data transmission device according to an embodiment of the present application, and as shown in fig. 2, the embodiment of the present application provides a high-speed serial data transmission device, including:
a digital control module 201, a first transceiver module 202 and a second transceiver module 203;
the digital control module 201 is connected with the first transceiver module 202; the second transceiver module 203 is disposed between the first transceiver module 202 and the bus 204; the first transceiver module 202 and the second transceiver module 203 are configured to transmit baseband data between the digital control module 201 and the bus 204;
the second transceiver module 203 includes a second transceiver, a first transformer, and a third transformer, where the first transformer provides a first power supply to the second transceiver through a center tap, and the second transceiver provides a second power supply to the third transformer through a center tap;
the first transceiver module 202 includes a first transceiver, a fifth transformer that provides a third power supply to the first transceiver through a center tap;
the first transceiver provides a fourth power source for the digital control module 201.
Specifically, BUS 204 employs two pairs of differential lines, a pair of transmission reception signals BUS_RX_P/BUS_RX_N, and a pair of transmission signals BUS_TX_P/BUS_TX_N. The second transceiver module 203 includes a second transceiver TR2, and in order to minimize the branch length to ensure impedance continuity, the second transceiver TR2 is disposed in front of and separated from the digital control module 201, so that the node device (the second transceiver TR 2) may be disposed near the branch interface. And the branch cable is remotely supplied with power through a center tap of the transformer.
It should be noted that, unlike the conventional low-speed buses, such as can bus and lin bus, the bus of the high-speed serial data transmission device provided by the embodiment of the application is a 1Gbps bus, and the second transceiver is connected to the bus through the first transformer, so as to ensure the signal integrity. In order to solve the problem of local power supply, the embodiment of the application provides a remote power supply scheme, so that a slave node directly takes power from a bus, and the cost of the slave node for local power supply is saved.
The high-speed serial data transmission device provided by the embodiment of the application can solve the contradiction between the length of the branch line and the working frequency of the signal in the traditional bus type structure by utilizing the front transceiver to drive the branch line in the bus type networking structure, so that the received signal is not influenced by the length of the branch line, and the accuracy of the received signal of the receiving node is improved.
Fig. 3 is one of circuit block diagrams of a high-speed serial data transmission device according to an embodiment of the present application, as shown in fig. 3, in some embodiments, the second transceiver module 203 includes a second transceiver TR2, a first transformer T1, and a second transformer T2;
the first transmission port and the second transmission port of the first transformer T1 are respectively connected with a bus for transmitting a transmission signal;
the first transmission port and the second transmission port of the second transformer T2 are respectively connected with a bus for transmitting the received signals;
the third transmission port and the fourth transmission port of the first transformer T1 are respectively connected to the first transmission port and the second transmission port of the second transceiver TR2 for transmitting a transmission signal;
the third transmission port and the fourth transmission port of the second transformer T2 are respectively connected with the third transmission port and the fourth transmission port of the second transceiver TR2 for transmitting the received signal;
a center tap of the first transformer T1 is connected to a first power port of the second transceiver TR 2;
the center tap of the second transformer T2 is connected to the first ground port of the second transceiver TR 2.
Specifically, the port 1 and the port 2 of the second transceiver TR2 are connected to the port 3 and the port 4 of the transformer T1, respectively, and the port 3 and the port 4 of the second transceiver TR2 are connected to the port 3 and the port 4 of the transformer T2, respectively. The first power V1 (port 9) is provided to the second transceiver TR2 through the center tap of the transformer T1, and the ground GND1 (10 ports) is provided to the second transceiver TR2 through the center tap of the transformer T2. Wherein the first transmission port may be denoted as port 1, and the other ports may be the same.
The high-speed serial data transmission device provided by the embodiment of the application can solve the contradiction between the length of the branch line and the working frequency of the signal in the traditional bus type structure by utilizing the front transceiver to drive the branch line in the bus type networking structure, so that the received signal is not influenced by the length of the branch line, and the accuracy of the received signal of the receiving node is improved.
In some embodiments, the first transformer T1 provides a first power supply to the second transceiver TR2 through a center tap;
the second transformer T2 grounds the first ground port of the second transceiver TR2 through a center tap.
Specifically, N1 and N3 of the first transformer T1 are selected so that the differential impedance of the bus 100 ohms is transformed to the differential impedance of the port 3 and the port 4 of the first transformer T1 to be equal to the transmitter output impedance, and N1 and N3 of the second transformer T2 are selected so that the differential input impedance of the receiver is transformed to the differential impedance of the port 1 and the port 2 of the second transformer T2 to be high impedance (of the order of kohm). The first power supply V1 is provided to the second transceiver TR2 through the center tap 5 of the first transformer T1 (port 9), and the ground GND1 is provided to the second transceiver TR2 through the center tap 5 of the second transformer T2 (port 10).
The high-speed serial data transmission device provided by the embodiment of the application drives the branch cable by utilizing the front-end transceiver in the bus type networking structure, and supplies power to the front-end transceiver by the center tap of the transformer, so that the contradiction between the length of the branch cable and the working frequency of the signal in the traditional bus type structure can be solved, the received signal is not influenced by the length of the branch cable, and the accuracy of the received signal of the receiving node is improved.
In some embodiments, the second transceiver module further comprises a third transformer and a fourth transformer;
the first transmission port and the second transmission port of the third transformer are respectively connected with the fifth transmission port and the sixth transmission port of the second transceiver TR 2;
the first transmission port and the second transmission port of the fourth transformer are respectively connected with the seventh transmission port and the eighth transmission port of the second transceiver TR 2;
a center tap of the third transformer is connected with a second power port of the second transceiver TR 2;
the center tap of the fourth transformer is connected to the second ground port of the second transceiver TR 2.
In some embodiments, the second transceiver TR2 provides a second power supply to the third transformer through a center tap;
the second transceiver TR2 grounds the center tap of the fourth transformer through the center tap.
Specifically, the second power V2 (port 11) is generated from the first power V1 to be supplied to the center tap 5 of the third transformer T3, the ground GND1 (port 10) is supplied to the second transceiver TR2 through the center tap 5 of the second transformer T2, and then the ground GND2 (port 12) isolated from the ground GND1 is generated to be supplied to the center tap 5 of the fourth transformer T4. Port 1 and port 2 of the third transformer T3 are connected to port 5 and port 6 of the second transceiver TR2 and port 1 and port 2 of the fourth transformer T4 are connected to port 7 and port 8 of the second transceiver TR 2.
The high-speed serial data transmission device provided by the embodiment of the application drives the branch cable by utilizing the front transceiver in the bus type networking structure and supplies power by the center tap of the transformer, so that the contradiction between the length of the branch cable and the working frequency of the signal in the traditional bus type structure can be solved, the received signal is not influenced by the length of the branch cable, and the accuracy of the received signal of the receiving node is improved.
In some embodiments, the first transceiver module includes a first transceiver, a fifth transformer, and a sixth transformer;
the first transmission port and the second transmission port of the fifth transformer are connected with the third transmission port and the fourth transmission port of the third transformer through cables respectively;
the first transmission port and the second transmission port of the sixth transformer are connected with the third transmission port and the fourth transmission port of the fourth transformer through cables respectively;
the third transmission port and the fourth transmission port of the fifth transformer are respectively connected with the first transmission port and the second transmission port of the first transceiver for transmitting the sending signal;
the third transmission port and the fourth transmission port of the sixth transformer are respectively connected with the third transmission port and the fourth transmission port of the first transceiver for transmitting the received signals;
a center tap of the fifth transformer is connected with a first power port of the first transceiver;
the center tap of the sixth transformer is connected to the first ground port of the first transceiver.
In some embodiments, the fifth transformer provides a third power supply to the first transceiver through a center tap;
the sixth transformer grounds the first ground port of the first transceiver through a center tap.
Specifically, the third transformer T3 and the fifth transformer T5 are connected through a differential pair of cables L1/L2, the center tap 5 of the fifth transformer T5 is connected to the 9 port of the first transceiver TR1, the power V3 is supplied thereto, and the first transceiver TR1 transmits high-speed differential serial baseband data to the ports 3 and 4 of the fifth transformer T5 through the ports 1 and 2. The fourth transformer T4 and the sixth transformer T6 are connected by a differential pair of cables L3/L4, the center tap 5 of the sixth transformer T6 is connected to the 10 port of the first transceiver TR1, which is provided with the ground GND3, and the first transceiver TR1 receives the high-speed differential serial baseband data through the ports 7 and 8, and is connected to the ports 4 and 5 of the transformer T2.
The high-speed serial data transmission device provided by the embodiment of the application drives the branch cable by utilizing the front-end transceiver in the bus type networking structure, and supplies power to the first transceiver by the center tap of the transformer, so that the contradiction between the length of the branch cable and the working frequency of the signal in the traditional bus type structure can be solved, the received signal is not influenced by the length of the branch cable, and the accuracy of the received signal of the receiving node is improved.
In some embodiments, a first power port of the digital control module is connected to a second power port of the first transceiver;
the first ground wire port of the digital control module is connected with the second ground wire port of the first transceiver.
In some embodiments, the first transceiver provides a fourth power source for the digital control module;
the first transceiver grounds a first ground port of the digital control module.
In some embodiments, the first and second transmission ports of the digital control module are connected to a fifth and sixth transmission port of the first transceiver, respectively;
the third transmission port and the fourth transmission port of the digital control module are respectively connected with the seventh transmission port and the eighth transmission port of the first transceiver.
Specifically, the first transceiver TR1 generates a power supply V4 (port 11) to supply power to the digital control module (port 5) according to the power supply V3. The first transceiver TR1 generates a ground GND4 (port 12) isolated from the ground GND3 and supplies it to the digital control module (port 6). The digital control transmits high-speed differential serial baseband data through a port 1 and a port 2, wherein the port 1 is a differential p-terminal, and the port 2 is a differential n-terminal. The first transceiver TR1 receives high-speed differential serial baseband data through port 5 and port 6, port 5 being connected to the digital control through port 1 and port 6 being connected to the digital control through port 2. The digital control receives high-speed differential serial baseband data through a port 3 and a port 4, wherein the port 3 is a differential p-terminal, and the port 4 is a differential n-terminal. The first transceiver TR1 transmits high-speed differential serial baseband data through ports 7 and 8, port 7 being connected to the digital control pass-through port 3 and port 4 being connected to the digital control pass-through port 8.
The high-speed serial data transmission device provided by the embodiment of the application drives the branch cable by utilizing the front transceiver in the bus type networking structure and supplies power to the digital control module by the first transceiver, so that the contradiction between the length of the branch cable and the working frequency of the signal in the traditional bus type structure can be solved, the received signal is not influenced by the length of the branch cable, and the accuracy of the received signal of the receiving node is improved.
The method in the above embodiment will be further described below with specific examples.
Fig. 4 is a second circuit diagram of a high-speed serial data transmission device according to an embodiment of the present application, and as shown in fig. 4, the high-speed serial data transmission device according to the embodiment can be used as a repeater to extend a bus, and support more branches and more flexible wiring.
The workflow of duplexing is as follows:
1. transmission path
1. The digital control transmits high-speed differential serial baseband data through a port 1 and a port 2, wherein the port 1 is a differential p-terminal, and the port 2 is a differential n-terminal.
2. The transceiver TR11 receives high-speed differential serial baseband data through ports 1 and 2, port 1 being connected to the digital control through port 1 and port 2 being connected to the digital control through port 2.
3. The transceiver TR11 transmits high-speed differential serial baseband data to the ports 4 and 5 of the transformer T11 through the ports 5 and 6.
4. Port 1 and port 2 of transformer T11 are connected to port 1 and port 2 of transformer T31 by cables L11 and L21.
5. Port 4 and port 5 of transformer T31 are connected to transceiver TR21 through port 1 and port 2.
6. The transceiver TR21 is connected to the ports 4 and 5 of the transformer T51 through the ports 5 and 6.
7. The high-speed differential serial baseband data is connected to buses bus_tx_p and bus_tx_n through ports 1 and 2 of transformer T51.
2. Reception path
1. The digital control receives high-speed differential serial baseband data through a port 3 and a port 4, wherein the port 3 is a differential p-terminal, and the port 4 is a differential n-terminal.
2. The transceiver TR11 transmits high-speed differential serial baseband data through port 3 and port 4, port 3 being connected to the digital control through port 3 and port 4 being connected to the digital control through port 4.
3. The transceiver TR11 receives the high-speed differential serial baseband data through the ports 7 and 8, and is connected to the ports 4 and 5 of the transformer T21.
4. Port 1 and port 2 of transformer T21 are connected to port 1 and port 2 of transformer T41 by cables L31 and L41.
5. Port 4 and port 5 of transformer T41 are connected to transceiver TR21 through port 3 and port 4.
6. Transceiver TR21 connects port 4 and port 5 of transformer T61 through port 7 and port 8.
7. Port 1 and port 2 of transformer T61 are connected to buses bus_rx_p and bus_rx_n to receive high-speed differential serial baseband data.
The high-speed serial data transmission device provided by the embodiment of the application can solve the contradiction between the length of the branch line and the working frequency of the signal in the traditional bus type structure by utilizing the front transceiver to drive the branch line in the bus type networking structure, so that the received signal is not influenced by the length of the branch line, and the accuracy of the received signal of the receiving node is improved. The structure solves the power supply problem of the bus type terminal, simplifies wiring, omits a switch and saves cost.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present application without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A high-speed serial data transmission device, comprising:
the device comprises a digital control module, a first transceiver module and a second transceiver module;
the digital control module is connected with the first transceiver module; the second transceiver module is arranged between the first transceiver module and the bus; the first transceiver module and the second transceiver module are used for transmitting baseband data between the digital control module and the bus;
the second transceiver module comprises a second transceiver, a first transformer and a third transformer, wherein the first transformer provides a first power supply for the second transceiver through a center tap, and the second transceiver provides a second power supply for the third transformer through the center tap;
the first transceiver module comprises a first transceiver and a fifth transformer, and the fifth transformer provides a third power supply for the first transceiver through a center tap;
the first transceiver provides a fourth power supply to the digital control module.
2. The high-speed serial data transmission device according to claim 1, wherein the second transceiver module further comprises a second transformer;
the first transmission port and the second transmission port of the first transformer are respectively connected with a bus for transmitting and sending signals;
the first transmission port and the second transmission port of the second transformer are respectively connected with a bus for transmitting and receiving signals;
the third transmission port and the fourth transmission port of the first transformer are respectively connected with the first transmission port and the second transmission port of the second transceiver for transmitting the sending signals;
the third transmission port and the fourth transmission port of the second transformer are respectively connected with the third transmission port and the fourth transmission port of the second transceiver for transmitting the received signals;
the center tap of the first transformer is connected with a first power supply port of the second transceiver;
the center tap of the second transformer is connected to the first ground port of the second transceiver.
3. The high-speed serial data transmission device of claim 2, wherein the second transformer grounds the first ground port of the second transceiver through a center tap.
4. The high-speed serial data transmission device according to claim 2, wherein the second transceiver module further comprises a fourth transformer;
the first transmission port and the second transmission port of the third transformer are respectively connected with the fifth transmission port and the sixth transmission port of the second transceiver;
the first transmission port and the second transmission port of the fourth transformer are respectively connected with the seventh transmission port and the eighth transmission port of the second transceiver;
the center tap of the third transformer is connected with a second power supply port of the second transceiver;
the center tap of the fourth transformer is connected to the second ground port of the second transceiver.
5. The high-speed serial data transmission device of claim 4, wherein the second transceiver grounds the center tap of the fourth transformer through the center tap.
6. The high-speed serial data transmission device according to claim 4, wherein the first transceiver module further comprises a sixth transformer;
the first transmission port and the second transmission port of the fifth transformer are connected with the third transmission port and the fourth transmission port of the third transformer through cables respectively;
the first transmission port and the second transmission port of the sixth transformer are connected with the third transmission port and the fourth transmission port of the fourth transformer through cables respectively;
the third transmission port and the fourth transmission port of the fifth transformer are respectively connected with the first transmission port and the second transmission port of the first transceiver for transmitting the sending signal;
the third transmission port and the fourth transmission port of the sixth transformer are respectively connected with the third transmission port and the fourth transmission port of the first transceiver for transmitting the received signals;
a center tap of the fifth transformer is connected with a first power port of the first transceiver;
the center tap of the sixth transformer is connected to the first ground port of the first transceiver.
7. The high-speed serial data transmission device of claim 6, wherein the sixth transformer grounds the first ground port of the first transceiver through a center tap.
8. The high-speed serial data transmission device of claim 6, wherein a first power port of the digital control module is connected to a second power port of the first transceiver;
the first ground wire port of the digital control module is connected with the second ground wire port of the first transceiver.
9. The high-speed serial data transmission device of claim 8, wherein the first transceiver grounds a first ground port of the digital control module.
10. The high-speed serial data transmission device according to claim 6, wherein the first transmission port and the second transmission port of the digital control module are connected to a fifth transmission port and a sixth transmission port of the first transceiver, respectively;
the third transmission port and the fourth transmission port of the digital control module are respectively connected with the seventh transmission port and the eighth transmission port of the first transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310967104.9A CN117076369A (en) | 2023-08-02 | 2023-08-02 | High-speed serial data transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310967104.9A CN117076369A (en) | 2023-08-02 | 2023-08-02 | High-speed serial data transmission device |
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| Publication Number | Publication Date |
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| CN117076369A true CN117076369A (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310967104.9A Pending CN117076369A (en) | 2023-08-02 | 2023-08-02 | High-speed serial data transmission device |
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| Country | Link |
|---|---|
| CN (1) | CN117076369A (en) |
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2023
- 2023-08-02 CN CN202310967104.9A patent/CN117076369A/en active Pending
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