Multiplexer structure based on dielectrically integrated suspension line

A medium integration and multiplexer technology, applied in waveguide devices, electrical components, circuits, etc., can solve the problem that multiplexers cannot match more channels at the same time, achieve low insertion loss, simplify design difficulty, and high The effect of isolation

Active Publication Date: 2018-09-28
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a multiplexer structure based on medium-integrated suspension lines, which solves the problem that the existing m

Method used

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  • Multiplexer structure based on dielectrically integrated suspension line
  • Multiplexer structure based on dielectrically integrated suspension line
  • Multiplexer structure based on dielectrically integrated suspension line

Examples

Experimental program
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Example Embodiment

[0030] Example 1

[0031] This embodiment discloses a duplexer structure based on medium-integrated suspension lines, such as figure 1 , figure 2 , image 3 as shown, figure 1 A cross-sectional view of a duplexer based on a dielectric-integrated suspension line provided in Embodiment 1 of the present invention, figure 2 A three-dimensional perspective view of a duplexer based on a dielectric-integrated suspension line provided in Embodiment 1 of the present invention.

[0032]In this embodiment, the medium-integrated suspension line platform includes five layers of circuit boards stacked from top to bottom, which are the first to fifth layer circuit boards, with a medium in the middle, and metal layers attached to both sides of each layer of circuit boards That is, ten metal layers from G1 to G10. The dielectric material of the five-layer circuit board is Fr4, Fr4, Rogers5880, Fr4, Fr4, and the thickness is 0.6mm, 2mm, 0.254mm, 2mm, 0.6mm. The second-layer circuit boar...

Example Embodiment

[0035] Embodiment two

[0036] This embodiment discloses a dielectric-integrated suspension-line duplexer designed on the basis of the dielectric-integrated suspension-line duplexer provided in Embodiment 1. Its three-dimensional structure is the same as that in Embodiment 1. figure 1 , figure 2 same. Figure 7 The G5 layer of the dielectric-integrated suspension line triplexer provided by the embodiment of the present invention, Figure 8 It is the G6 layer of the dielectric-integrated suspension line triplexer provided in Embodiment 2 of the present invention. The triplexer based on the dielectric integrated suspension line is composed of a first bandpass filter, a second bandpass filter and a third bandpass filter, that is, the input end of the duplexer in Embodiment 1 according to the first The connection mode of the band-pass filter and the second band-pass filter is connected to the third band-pass filter to form a triplexer, and the third band-pass filter is also co...

Example Embodiment

[0037] Embodiment Three

[0038] This embodiment discloses a dielectric-integrated suspension-line quadruplexer designed on the basis of the dielectric-integrated suspension-line triplexer provided in Embodiment 2. Its three-dimensional structure is the same as that in Embodiment 1. figure 1 , figure 2 same. Figure 9 The G5 layer of the dielectric-integrated suspension line quadplexer provided by the embodiment of the present invention, Figure 10 The G6 layer of the dielectric-integrated suspension line quadplexer provided by the embodiment of the present invention. The quadruplexer based on the dielectric integrated suspension line is composed of a first band-pass filter, a second band-pass filter, a third band-pass filter and a fourth band-pass filter, that is, the three band-pass filters in embodiment 2 The input end of the quadruplexer is connected to the fourth bandpass filter according to the aforementioned connection method to form a quadruplexer, and the third ba...

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Abstract

The invention discloses a multiplexer structure based on a dielectrically integrated suspension line. The multiplexer is an N-multiplexer, wherein N is a positive integer greater than or equal to 2, the N-multiplexer comprises first to Nth band-pass filters, and each band-pass filter comprises a low-pass filter and a high-pass filter that are connected to each other; and when the multiplexer is aduplexer, one end of the second low-pass filter is the input end of the duplexer, the other end of the second low-pass filter is connected with the second high-pass filter and the first low-pass filter through a T-type junction, the other end of the second high-pass filter is a second output end, the other end of the first low-pass filter is connected with the first high-pass filter, and the otherend of the first high-pass filter is a first output end. According to the scheme, the problem of ensuring a high isolation degree between channels when the multiplexer receives and transmits signalsat the same time can be solved, and the mutual interference of the channels can be avoided.

Description

technical field [0001] The invention relates to the technical field of radio frequency microwave circuits, in particular to a multiplexer structure based on dielectric integrated suspension lines. Background technique [0002] With the rapid development of modern wireless communication technology, spectrum resources are increasingly tight, and real-time multi-directional communication in multi-channel communication systems is becoming more and more common. In a communication system, a multiplexer can separate or combine several radio frequency signals distributed in different spectral positions, and transmit them through a common antenna, and due to the reciprocity of the filter network, the multiplexer can play a role in the same device. Separating the function of transmitting and receiving frequency bands enables the transmitter and receiver to use the same antenna for transceiving, thereby reducing cost and volume, and reducing interference. The use of multiplexers is ve...

Claims

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Application Information

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IPC IPC(8): H01P1/213
Inventor 马凯学初雨桐王勇强
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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