transmission line system
A transmission line and line segment technology, applied in the field of transmission line system, can solve the problems of increased cost, common mode signal and differential mode signal cannot be used together
Inactive Publication Date: 2016-12-07
AMBIT MICROSYSTEMS (SHANGHAI) LTD
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Problems solved by technology
Since the transmitted common-mode signal and differential-mode signal have the same frequency, the common-mode signal and differential-mode signal at this time cannot be used together
At the same time, when common-mode signals or differential-mode signals are required, additional circuit components, such as choke coils, need to be added to the PCB to filter out unwanted common-mode signals or differential-mode signals, which will increase additional costs
Method used
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[0016] Please refer to Figure 1-2 , a transmission line system 1 is disposed on a PCB board 2 , and the PCB board 2 includes a first layer 21 , a second layer 22 and a third layer 23 arranged in sequence. The transmission line system 1 includes a first transmission line 11 and a second transmission line 12 . Part of the line segment of the first transmission line 11 is arranged on the first layer 21 of the PCB board 2, part of the line segment is arranged on the third layer 23 of the PCB board 2, and the first layer 21 of the PCB board 2 is arranged on The line segments and the line segments arranged on the third layer 23 of the PCB 2 are staggered from each other and connected end to end to form the first transmission line 11 . The second transmission line 12 is disposed on the second layer 22 of the PCB 2 . The first transmission line 11 is used to transmit the first signal from the signal source to the signal destination, and the second transmission line 12 is used to tr...
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The invention discloses a transmission line system which comprises a first transmission line and a second transmission line, wherein a part of the first layer transmission line is arranged on a first layer of a PCB (Printed Circuit Board) and comprises a plurality of first structure units; a part of the first transmission line is arranged on a third layer of the PCB and comprises a plurality of second structure units; each first structure unit comprises a first connecting section, a second connecting section and a first bent section; two ends of the first bent section are respectively connected with the first connecting section and the second connecting section; each second structure unit comprises a third connecting section, a fourth connecting section and a second bent section; two ends of the second bent section are respectively connected with the third connecting section and the fourth connecting section; the second end of each first connecting section is further connected with the second end of an adjacent third connecting section through a conductive through hole; the second end of each second connecting section is further connected with the second end of an adjacent fourth connecting section through another conductive through hole; the second transmission line is a direct transmission line arranged on the second layer of the PCB. Therefore, common-mode signals and different-mode signals of different frequencies can be simultaneously transmitted.
Description
technical field [0001] The invention relates to a transmission line system, in particular to a transmission line system capable of transmitting signals of two different frequencies simultaneously. Background technique [0002] At present, the general transmission line system can only transmit common-mode signals and differential-mode signals of the same frequency. Since the transmitted common-mode signal and differential-mode signal have the same frequency, the common-mode signal and differential-mode signal cannot be used together. At the same time, when common-mode or differential-mode signals are required, additional circuit components, such as choke coils, need to be added to the PCB to filter out unwanted common-mode or differential-mode signals, which will increase additional costs . Contents of the invention [0003] In view of this, it is necessary to provide a transmission line system that can simultaneously transmit common-mode signals and differential-mode sig...
Claims
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IPC IPC(8): H05K1/02
Inventor 王绍伟
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD