TW202004782A - Usb type-c cable female-end structure - Google Patents

Abstract

An USB Type-C cable female-end structure includes a paddle card and a cable. One side of the paddle card has a plurality of high frequency differential-signal pads, a plurality of grounding pads, a low frequency differential-signal pads and a plurality of power pads. The cable has a plurality of high frequency differential-signal wires, a plurality of power wires, a plurality of low frequency differential-signal wires, and an outer insulated layer. The outer insulated layer surrounds the high frequency differential-signal wires, the power wires, and the low frequency differential-signal wires. The high frequency, low frequency differential-signal wires and the power wires respectively have one ends connected to the high frequency, low frequency differential-signal pads and the power pads correspondingly. Each two contiguous high frequency differential-signal wires is surrounded by a metal shielding piece, and the metal shielding piece contacts the grounding pads. Thus, it can reduce loos of high speed transmission, and effectively lower down the interferences.

Description

USB Type-C cable female end structure

The invention relates to a cable female end structure, in particular to a USB Type-C cable female end structure.

The most common connectors on the market are Universal Serial Bus (USB) connectors. The early USB connectors belonged to the 2.0 specification, and the later evolved the faster 3.0 specification, but now it is more advanced to provide a positive and negative plug, and the USB Type-C connector is faster than the 3.0 specification. However, most of the existing USB Type-C cable female end structures have the problems that high-speed transmission is easily attenuated and easily interfered.

In summary, the inventor feels that the above-mentioned defects can be improved, but dedicated to study and cooperate with the application of the theory, finally came up with a reasonable design and effectively improve the above-mentioned defects of the present invention.

The technical problem to be solved by the present invention is to provide a USB Type-C cable female end structure, which can reduce the attenuation of high-speed transmission and effectively reduce the problem of interference.

In order to solve the above-mentioned technical problems, the present invention provides a USB Type-C cable female terminal structure, which includes: an adaptor board, a plurality of high-frequency differential signal contacts, a plurality of ground contacts are provided on one side of the adaptor board, Multiple low-frequency differential signal contacts and multiple power contacts; and a cable including multiple high-frequency differential signal transmission lines, multiple power transmission lines, multiple low-frequency differential signal transmission lines, and an outer insulating layer The insulating layer covers the high-frequency differential signal transmission lines, the power transmission lines, and the low-frequency differential signal transmission lines. One ends of the high-frequency differential signal transmission lines are electrically connected to the high-frequency differential signal contacts, respectively. One end of the low-frequency differential signal transmission lines is electrically connected to the low-frequency differential signal contacts, one end of the power transmission lines is electrically connected to the power contacts, and the surface of each adjacent two high-frequency differential signal transmission lines A metal shield is coated, and the metal shields respectively contact the ground contacts.

In order to solve the above technical problems, the present invention also provides a USB Type-C cable female terminal structure, which includes: an adaptor board, a plurality of high-frequency differential signal contacts, a plurality of ground contacts are provided on one side of the adaptor board, A plurality of low-frequency differential signal contacts and a plurality of power contacts, the high-frequency differential signal contacts, the low-frequency differential signal contacts and the power contacts are arranged in a row, and the high-frequency differential signal contacts are two by two Set in pairs, the low-frequency differential signal contacts and the power contacts are respectively disposed between two adjacent pairs of high-frequency differential signal contacts; and a cable including a plurality of high-frequency differential signal transmission lines , A plurality of power transmission lines, a plurality of low-frequency differential signal transmission lines and an outer insulating layer, the high-frequency differential signal transmission lines, the power transmission lines and the low-frequency differential signal transmission lines are arranged in a row, the outer insulating layer is wrapped around the High-frequency differential signal transmission lines, the power transmission lines and the low-frequency differential signal transmission lines, one end of the high-frequency differential signal transmission lines are electrically connected to the high-frequency differential signal contacts, one end of the low-frequency differential signal transmission lines Are respectively electrically connected to the low-frequency differential signal contacts, one ends of the power transmission lines are electrically connected to the power contacts, and the surface of each adjacent two high-frequency differential signal transmission lines is covered with a metal shield, The metal shields respectively contact the ground contacts.

In order to solve the above technical problems, the present invention also provides a USB Type-C cable female terminal structure, which includes: an adaptor board, a plurality of high-frequency differential signal contacts, a plurality of ground contacts are provided on one side of the adaptor board, A plurality of low-frequency differential signal contacts and a plurality of power contacts, the high-frequency differential signal contacts, the low-frequency differential signal contacts and the power contacts are arranged in a row, and the high-frequency differential signal contacts are two by two Set in pairs, the low-frequency differential signal contacts and the power contacts are respectively disposed between two adjacent pairs of high-frequency differential signal contacts; and a cable including a plurality of high-frequency differential signal transmission lines , A plurality of power transmission lines, a plurality of low-frequency differential signal transmission lines and an outer insulating layer, the high-frequency differential signal transmission lines, the power transmission lines and the low-frequency differential signal transmission lines are arranged in a row, the outer insulating layer is wrapped around the High-frequency differential signal transmission lines, the power transmission lines and the low-frequency differential signal transmission lines, one end of the high-frequency differential signal transmission lines are electrically connected to the high-frequency differential signal contacts, one end of the low-frequency differential signal transmission lines Are respectively electrically connected to the low-frequency differential signal contacts, one ends of the power transmission lines are electrically connected to the power contacts, and the surface of each adjacent two high-frequency differential signal transmission lines is covered with a metal shield, The metal shields respectively contact the ground contacts; and a female connector, the female connector is electrically connected to the adapter board.

In order to solve the above technical problems, the present invention also provides a USB Type-C cable female terminal structure, which includes: an adaptor board, a plurality of high-frequency differential signal contacts, a plurality of ground contacts are provided on one side of the adaptor board, Multiple low-frequency differential signal contacts and multiple power contacts; and a cable including multiple high-frequency differential signal transmission lines, multiple power transmission lines, multiple low-frequency differential signal transmission lines, and an outer insulating layer The insulating layer covers the high-frequency differential signal transmission lines, the power transmission lines, and the low-frequency differential signal transmission lines. One ends of the high-frequency differential signal transmission lines are electrically connected to the high-frequency differential signal contacts, respectively. One end of the low-frequency differential signal transmission lines is electrically connected to the low-frequency differential signal contacts, one end of the power transmission lines is electrically connected to the power contacts, and the surface of each adjacent two high-frequency differential signal transmission lines Covering a metal shield and an external metal shield, the metal shields respectively contact the ground contacts; and a first circuit board, a plurality of on-board high-frequency differential signal connections are provided on one side of the first circuit board Point, multiple ground contacts on the board, multiple low frequency differential signal contacts on the board, and multiple power supply contacts on the board; the other ends of the high frequency differential signal transmission lines are electrically connected to the high frequency differential on the boards Signal contacts, the other ends of the low-frequency differential signal transmission lines are electrically connected to the low-frequency differential signal contacts on the boards, and the other ends of the power transmission lines are electrically connected to the power contacts on the boards, respectively The external metal shields respectively contact the ground contacts on the boards.

The beneficial effects of the invention:

The cable female end structure of the present invention includes an adapter plate and a cable, and one side of the adapter plate is provided with multiple high-frequency differential signal contacts, multiple ground contacts, multiple low-frequency differential signal contacts and multiple power connections point. The cable includes a plurality of high-frequency differential signal transmission lines, a plurality of power transmission lines, a plurality of low-frequency differential signal transmission lines and an outer insulating layer, the high-frequency differential signal transmission lines, the low-frequency differential signal transmission lines and one ends of the power transmission lines are respectively Electrically connected to the high-frequency differential signal contacts, the low-frequency differential signal contacts, and the power contacts, and the surface of each adjacent two high-frequency differential signal transmission lines is covered with a metal shield, and the metals The shields respectively contact these ground contacts. In this way, a modular design can be formed, and the transmission speed can be increased, attenuation can be reduced, interference can also be reduced through the ground loop, and problems of EMI and RFI can be effectively reduced.

In order to further understand the technology, method and efficacy of the present invention to achieve the intended purpose, please refer to the following detailed description and drawings of the present invention. It is believed that the purpose, features and characteristics of the present invention can be deepened and specific For the sake of understanding, the drawings and accessories are provided for reference and explanation only, and are not intended to limit the present invention.

1‧‧‧Adapter board

11‧‧‧High-frequency differential signal contact

13‧‧‧Ground contact

14‧‧‧Low-frequency differential signal contact

15‧‧‧Power contacts

16‧‧‧Insulating shell

111‧‧‧Substrate surface

1111‧‧‧ Transmission line

1112‧‧‧Ground line

112‧‧‧Ground layer

1121‧‧‧First opening

113‧‧‧Power plane

1131‧‧‧Second opening

114‧‧‧Common strata

2‧‧‧cable

21‧‧‧High-frequency differential signal transmission line

211‧‧‧Metal shield

216‧‧‧Outer metal shield

22‧‧‧Power transmission line

23‧‧‧ Low-frequency differential signal transmission line

24‧‧‧Outer insulation

3‧‧‧Female connector

31‧‧‧Insulation body

32‧‧‧Transmission conductor

4‧‧‧ First circuit board

41‧‧‧High-frequency differential signal contacts on the board

43‧‧‧Board grounding contact

44‧‧‧Low-frequency differential signal contacts on the board

45‧‧‧Board power contacts

46‧‧‧ First connector

411‧‧‧Surface of circuit board

4111‧‧‧Onboard transmission line

4112‧‧‧Earth ground circuit

412‧‧‧ Board ground plane

4121‧‧‧The third opening

413‧‧‧ board power layer

4131‧‧‧The fourth opening

414‧‧‧ board common stratum

5‧‧‧ Second circuit board

51‧‧‧Second connector

FIG. 1 is a perspective view of the female end structure of the cable of the present invention.

Fig. 2 is a perspective view of the adapter board, cable and female connector of the present invention.

3 is an exploded perspective view of the adapter plate of the present invention.

4 is a perspective view of the cable and the first and second circuit boards of the present invention.

5 is a perspective view (1) of the first and second circuit boards of the present invention.

6 is a perspective view (2) of the first and second circuit boards of the present invention.

7 is an exploded perspective view of the first circuit board of the present invention.

Please refer to FIGS. 1 to 3, the present invention provides a USB Type-C cable female end structure, which includes an adapter board 1 and a cable 2.

A plurality of high-frequency differential signal contacts 11, a plurality of ground contacts 13, a plurality of low-frequency differential signal contacts 14 and a plurality of power contacts 15 are provided on one side of the adapter board 1, the high-frequency differential signal contacts 11 3. The low-frequency differential signal contacts 14 and the power contacts 15 are arranged in a row. Preferably, the high-frequency differential signal contacts 11 are arranged in pairs, and the low-frequency differential signal contacts 14 and the power contacts 15 are respectively disposed on two adjacent pairs of high-frequency differential signal contacts 11. between. Preferably, the low-frequency differential signal contacts 14 are close to the middle of the adapter board 1. The high-frequency differential signal contacts 11, the low-frequency differential signal contacts 14 and the power contacts 15 are arranged in a row.

In this embodiment, the interposer 1 has a multi-layer structure (as shown in FIG. 3). The interposer 1 may include a substrate surface layer 111 on which multiple transmission lines 1111 are provided. For electrically connecting the high-frequency differential signal contacts 11, the low-frequency differential signal contacts 14, and the power contacts 15, the transmission lines 1111 extend to one end of the substrate surface layer 111, and the substrate surface layer 111 A plurality of grounding lines 1112 are also provided for electrically connecting the grounding contacts 13 respectively.

The adaptor board 1 may further include a ground layer 112, the ground layer 112 includes a conductive material, the ground layer 112 is spaced on one side of the substrate surface layer 111, and an insulating material may be provided between the substrate surface layer 111 and the ground layer 112 Be isolated. The ground layer 112 is electrically connected to the ground lines 1112. The ground layer 112 is provided with a plurality of first openings 1121. The first openings 1121 are electrically connected to the high-frequency differential signal contacts 11. The transmission lines 1111 correspond to each other and can be used to prevent crosstalk interference.

The adapter board 1 may further include a power layer 113 including a conductive material. The power layer 113 is disposed on one side of the ground layer 112 at intervals, and an insulating material may be provided between the ground layer 112 and the power layer 113 Be isolated. The power layer 113 is electrically connected to the transmission line 1111 electrically connected to the power contacts 15, the power layer 113 is provided with a plurality of second openings 1131, and the second openings 1131 are electrically connected to the The transmission lines 1111 corresponding to the high-frequency differential signal contacts 11 can be used to prevent crosstalk interference.

The interposer 1 may further include a common ground layer 114 that includes conductive materials. The common ground layer 114 is disposed on one side of the power layer 113 at intervals, and an insulating material may be provided between the power layer 113 and the common ground layer 114 for isolation . The common ground layer 114 is electrically connected to the ground lines 1112, and the common ground layer 114 can be electrically connected to the ground loop (not shown) of the cable 2 and the like.

The cable 2 includes a plurality of high frequency differential signal transmission lines 21, a plurality of power transmission lines 22, a plurality of low frequency differential signal transmission lines 23 and an outer insulating layer 24, the high frequency differential signal transmission lines 21, the power transmission lines 22 and the The low-frequency differential signal transmission lines 23 are arranged in a row, and the outer insulating layer 24 covers the high-frequency differential signal transmission lines 21, the power transmission lines 22, and the low-frequency differential signal transmission lines 23. One end of the high-frequency differential signal transmission lines 21 is electrically connected to the high-frequency differential signal contacts 11 respectively, and one end of the low-frequency differential signal transmission lines 23 is electrically connected to the low-frequency differential signal contacts 14 respectively. One end of the power transmission line 22 is electrically connected to the power contacts 15 respectively. In addition, the surface of each adjacent two high-frequency differential signal transmission lines 21 is covered with a metal shield 211, and the metal shields 211 respectively contact the ground contacts 13.

The female end structure of the USB Type-C cable of the present invention may further include a female connector 3, which is electrically connected to the adapter board 1. The female connector 3 is a USB Type-C connector, and its structure is not limited. In this embodiment, the female connector 3 includes an insulating body 31 and a plurality of transmission conductors 32. The transmission conductors 32 are disposed on the insulating body 31. One end of the transmission conductors 32 is electrically connected to the adapter board 1, and the transmission conductors 32 can be electrically connected to the high-frequency differential signal contacts 11, the power contacts 15 and the low-frequency differential signal contacts 14 through the transmission lines 1111, respectively. The outside of the adapter board 1 can be covered with an insulating shell 16 which extends to the connection of the adapter board 1 and the cable 2 and the adapter board 1 and the female connector 3 partially extend Insulating shell 16.

The USB Type-C cable female terminal structure of the present invention may further include a first circuit board 4 (as shown in FIGS. 4 to 7 ), and a plurality of high-frequency differential signal connections on the board are provided on one side of the first circuit board 4 Point 41, multiple on-board ground contacts 43, multiple on-board low-frequency differential signal contacts 44, and multiple on-board power contacts 45. Preferably, the high-frequency differential signal contacts 41 on the boards are arranged in pairs, and the low-frequency differential signal contacts 44 on the boards and the power contacts 45 on the boards are respectively arranged on two adjacent pairs of boards. Between the high-frequency differential signal contacts 41. Preferably, the low-frequency differential signal contacts 44 on the boards are close to the middle of the first circuit board 4. The high-frequency differential signal contacts 41 on the boards, the low-frequency differential signal contacts 44 on the boards, and the power contacts 45 on the boards are arranged in a row. The other ends of the high-frequency differential signal transmission lines 21 are electrically connected to the high-frequency differential signal contacts 41 on the boards, and the other ends of the low-frequency differential signal transmission lines 23 are electrically connected to the low-frequency differential signals on the boards. For the contact 44, the other ends of the power transmission lines 22 are electrically connected to the power contacts 45 on the boards, respectively. In addition, the surface of each adjacent two high-frequency differential signal transmission lines 21 is covered with an outer metal shield 216. The outer metal shield 216 and the metal shield 211 can be conductively connected to form a ground loop. The outer metal shields The pieces 216 respectively contact the ground contacts 43 on the boards.

In this embodiment, the first circuit board 4 is a multi-layer board structure. The first circuit board 4 may include a circuit board surface layer 411 on which a plurality of on-board transmission lines 4111 are provided for Are electrically connected to the high-frequency differential signal contacts 41 on the boards, the low-frequency differential signal contacts 44 on the boards, and the power contacts 45 on the boards, and the transmission lines 4111 on the boards extend to the surface layer 411 of the circuit board At one end, a plurality of on-board ground lines 4112 are also provided on the surface layer 411 of the circuit board for electrically connecting the ground contacts 43 on the boards.

The first circuit board 4 may further include a board ground layer 412, the board ground layer 412 includes a conductive material, the board ground layer 412 is spaced on one side of the circuit board surface layer 411, the circuit board surface layer 411 and the board ground layer 412 The room can be insulated with insulating material. The board ground layer 412 is electrically connected to the board ground lines 4112. The board ground layer 412 is provided with a plurality of third openings 4121. The third openings 4121 are electrically connected to the high-frequency boards The differential signal contacts 41 correspond to the transmission lines 4111 on the boards, and can be used to prevent crosstalk interference.

The first circuit board 4 may further include a board power layer 413, which includes a conductive material. The board power layer 413 is disposed on one side of the board ground layer 412 at intervals, between the board ground layer 412 and the board power layer 413 The room can be insulated with insulating material. The board power layer 413 is electrically connected to the board transmission line 4111 electrically connected to the board power contacts 45. The board power layer 413 is provided with a plurality of fourth openings 4131, and the fourth openings 4131 Corresponding to the transmission lines 4111 on the boards electrically connected to the high-frequency differential signal contacts 41 on the boards, it can be used to prevent crosstalk interference.

The first circuit board 4 may further include a board common ground layer 414 including conductive material. The board common ground layer 414 is disposed on one side of the board power layer 413 at intervals. The board power layer 413 and the board common ground layer 414 The room can be insulated with insulating material. The board common ground layer 414 is electrically connected to the ground lines 4112 on the boards.

The USB Type-C cable female end structure of the present invention may further include a second circuit board 5, a first connector 46 is disposed on the first circuit board 4, and the first connector 46 is electrically connected to the first circuit Plate 4. A second connector 51 is provided on the second circuit board 5. The second connector 51 is electrically connected to the second circuit board 5. The first connector 46 and the second connector 51 are inserted into each other to achieve an electrical connection.

The features and functions of the present invention are:

The cable female end structure of the present invention includes an adapter plate and a cable, and one side of the adapter plate is provided with multiple high-frequency differential signal contacts, multiple ground contacts, multiple low-frequency differential signal contacts and multiple power connections point. The cable includes a plurality of high-frequency differential signal transmission lines, a plurality of power transmission lines, a plurality of low-frequency differential signal transmission lines and an outer insulating layer, the high-frequency differential signal transmission lines, the low-frequency differential signal transmission lines and one ends of the power transmission lines are respectively Electrically connected to the high-frequency differential signal contacts, the low-frequency differential signal contacts, and the power contacts, and the surface of each adjacent two high-frequency differential signal transmission lines is covered with a metal shield, and the metals The shields respectively contact these ground contacts. In this way, a modular design can be formed, and the transmission speed can be increased, attenuation can be reduced, interference can also be reduced through the ground loop, and problems of EMI and RFI can be effectively reduced.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of patent protection of the present invention, so any equivalent changes made by using the description and drawings of the present invention are also included in the scope of protection of the rights of the present invention. Inside.

1‧‧‧Adapter board

11‧‧‧High-frequency differential signal contact

13‧‧‧Ground contact

14‧‧‧Low-frequency differential signal contact

15‧‧‧Power contacts

16‧‧‧Insulating shell

2‧‧‧cable

21‧‧‧High-frequency differential signal transmission line

211‧‧‧Metal shield

22‧‧‧Power transmission line

23‧‧‧ Low-frequency differential signal transmission line

24‧‧‧Outer insulation

3‧‧‧Female connector

31‧‧‧Insulation body

32‧‧‧Transmission conductor

Claims (14)

A USB Type-C cable female terminal structure includes: an adapter board, a plurality of high-frequency differential signal contacts, a plurality of ground contacts, a plurality of low-frequency differential signal contacts and a plurality of Power contact; and a cable, the cable includes a plurality of high-frequency differential signal transmission lines, a plurality of power transmission lines, a plurality of low-frequency differential signal transmission lines and an outer insulating layer, the outer insulating layer is coated on the high-frequency differential The signal transmission lines, the power transmission lines, and the low frequency differential signal transmission lines, one end of the high frequency differential signal transmission lines are electrically connected to the high frequency differential signal contacts, and one end of the low frequency differential signal transmission lines are electrically Connected to the low-frequency differential signal contacts, one end of the power transmission lines is electrically connected to the power contacts, and the surface of each adjacent two high-frequency differential signal transmission lines is covered with a metal shield, and the metal The shields respectively contact these ground contacts. The USB Type-C cable female terminal structure according to claim 1, wherein the adapter board includes a substrate surface layer, and a plurality of transmission lines are provided on the substrate surface layer for electrically connecting the high-frequency differential signals respectively Contacts, the low-frequency differential signal contacts and the power contacts, the transmission lines extend to one end of the substrate surface, and a plurality of ground lines are also provided on the substrate surface for electrically connecting the grounds respectively contact. The USB Type-C cable female terminal structure according to claim 2, wherein the adapter board further includes a ground layer, the ground layer is disposed on one side of the substrate surface layer at intervals, and the ground layer is electrically connected to the For the grounding lines, the grounding layer is provided with a plurality of first openings, and the first openings correspond to the transmission lines electrically connected to the high-frequency differential signal contacts. The USB Type-C cable female terminal structure according to claim 3, wherein the adaptor board further includes a power layer, the power layer is disposed on one side of the ground layer at intervals, the power layer is electrically connected to The transmission lines of the power contacts are electrically connected. The power layer is provided with a plurality of second openings corresponding to the transmission lines electrically connected to the high-frequency differential signal contacts . The USB Type-C cable female terminal structure according to claim 4, wherein the adapter board further includes a common ground layer, the common ground layer is disposed on one side of the power layer at intervals, and the common ground layer is electrically connected to the Ground line. A USB Type-C cable female terminal structure includes: an adapter board, a plurality of high-frequency differential signal contacts, a plurality of ground contacts, a plurality of low-frequency differential signal contacts and a plurality of Power contacts, the high frequency differential signal contacts, the low frequency differential signal contacts and the power contacts are arranged in a row, the high frequency differential signal contacts are arranged in pairs, and the low frequency differential signals are connected in pairs And the power contacts are respectively arranged between two adjacent pairs of high-frequency differential signal contacts; and a cable including a plurality of high-frequency differential signal transmission lines, a plurality of power transmission lines, and a plurality of low-frequency differentials A signal transmission line and an outer insulating layer, the high-frequency differential signal transmission lines, the power transmission lines and the low-frequency differential signal transmission lines are arranged in a row, the outer insulating layer covers the high-frequency differential signal transmission lines and the power transmission lines And the low-frequency differential signal transmission lines, one end of the high-frequency differential signal transmission lines is electrically connected to the high-frequency differential signal contacts, and one end of the low-frequency differential signal transmission lines is electrically connected to the low-frequency differential signals Contacts, one ends of the power transmission lines are electrically connected to the power contacts respectively, and the surfaces of each two adjacent high-frequency differential signal transmission lines are covered with a metal shield, and the metal shields respectively contact the grounds contact. A USB Type-C cable female terminal structure includes: an adapter board, a plurality of high-frequency differential signal contacts, a plurality of ground contacts, a plurality of low-frequency differential signal contacts and a plurality of Power contacts, the high frequency differential signal contacts, the low frequency differential signal contacts and the power contacts are arranged in a row, the high frequency differential signal contacts are arranged in pairs, and the low frequency differential signals are connected in pairs And the power contacts are respectively arranged between two adjacent pairs of high-frequency differential signal contacts; and a cable including a plurality of high-frequency differential signal transmission lines, a plurality of power transmission lines, and a plurality of low-frequency differentials A signal transmission line and an outer insulating layer, the high-frequency differential signal transmission lines, the power transmission lines and the low-frequency differential signal transmission lines are arranged in a row, the outer insulating layer covers the high-frequency differential signal transmission lines and the power transmission lines And the low-frequency differential signal transmission lines, one end of the high-frequency differential signal transmission lines is electrically connected to the high-frequency differential signal contacts, and one end of the low-frequency differential signal transmission lines is electrically connected to the low-frequency differential signals Contacts, one ends of the power transmission lines are electrically connected to the power contacts respectively, and the surfaces of each two adjacent high-frequency differential signal transmission lines are covered with a metal shield, and the metal shields respectively contact the grounds A contact; and a female connector, the female connector is electrically connected to the adapter board. The USB Type-C cable female end structure according to claim 7, wherein the female connector includes an insulating body and a plurality of transmission conductors, the transmission conductors are disposed on the insulating body, and one ends of the transmission conductors It is electrically connected to the adapter board, and the transmission conductors are electrically connected to the high-frequency differential signal contacts, the power contacts, and the low-frequency differential signal contacts. A USB Type-C cable female terminal structure includes: an adapter board, a plurality of high-frequency differential signal contacts, a plurality of ground contacts, a plurality of low-frequency differential signal contacts and a plurality of Power contact; and a cable, the cable includes a plurality of high-frequency differential signal transmission lines, a plurality of power transmission lines, a plurality of low-frequency differential signal transmission lines and an outer insulating layer, the outer insulating layer is coated on the high-frequency differential The signal transmission lines, the power transmission lines, and the low frequency differential signal transmission lines, one end of the high frequency differential signal transmission lines are electrically connected to the high frequency differential signal contacts, and one end of the low frequency differential signal transmission lines are electrically Connected to the low-frequency differential signal contacts, one end of the power transmission lines is electrically connected to the power contacts, and the surface of each adjacent two high-frequency differential signal transmission lines is covered with a metal shield and an external metal A shield, the metal shields respectively contact the ground contacts; and a first circuit board, a surface of the first circuit board is provided with a plurality of on-board high-frequency differential signal contacts, a plurality of on-board ground contacts, A plurality of low-frequency differential signal contacts on the board and a plurality of on-board power contacts; the other ends of the high-frequency differential signal transmission lines are electrically connected to the high-frequency differential signal contacts on the boards, and the low-frequency differential signal transmission lines The other ends of the two are electrically connected to the low-frequency differential signal contacts of the boards, the other ends of the power transmission lines are electrically connected to the power contacts of the boards, and the external metal shields respectively contact the boards Ground contact. The USB Type-C cable female terminal structure according to claim 9, wherein the first circuit board includes a circuit board surface layer, and a plurality of on-board transmission lines are provided on the circuit board surface layer to electrically connect the The high-frequency differential signal contacts on the boards, the low-frequency differential signal contacts on the boards and the power contacts on the boards, the transmission lines on the boards extend to one end of the surface layer of the circuit board, and the surface layer of the circuit board is also provided There are multiple on-board ground lines for electrically connecting the on-board ground contacts, respectively. The USB Type-C cable female terminal structure according to claim 10, wherein the first circuit board further includes a board ground layer, the board ground layer is disposed on one side of the surface layer of the circuit board at intervals, the board ground layer The boards are electrically connected to the ground lines on the boards. The board ground layer is provided with a plurality of third openings. The third holes are electrically connected to the boards with high-frequency differential signal contacts on the boards. Corresponding to the transmission line. The USB Type-C cable female terminal structure according to claim 11, wherein the first circuit board further includes a board power layer, the board power layer is disposed on one side of the board ground layer at intervals, the board power layer It is electrically connected to the transmission line on the board electrically connected to the power contacts on the boards. The board power layer is provided with a plurality of fourth openings. The fourth openings are electrically connected to the boards. Frequency-differential signal contacts correspond to the transmission lines on the boards. The USB Type-C cable female terminal structure according to claim 12, wherein the first circuit board further includes a board common ground layer, the board common ground layer is disposed on one side of the board power layer at intervals, the board common ground layer It is electrically connected to the ground lines on the boards. The USB Type-C cable female terminal structure according to claim 9, further comprising a second circuit board, a first connector is provided on the first circuit board, and the first connector is electrically connected to the first A circuit board, a second connector is provided on the second circuit board, the second connector is electrically connected to the second circuit board, the first connector and the second connector are plugged into each other to achieve an electrical connection .

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