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Relay

A repeater and filter technology, which is applied in the field of high-performance repeaters, can solve the problems of small dynamic range, poor stability, large intermodulation distortion and intermodulation distortion of repeaters, and achieves large dynamic range and reliable operation. High performance, reducing intermodulation distortion

Inactive Publication Date: 2011-08-03
SUZHOU INNOTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing repeaters have small dynamic range, large intermodulation distortion and intermodulation distortion, and poor stability, which have great limitations

Method used

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Embodiment Construction

[0016] Example: such as figure 1 , 2 , 3, the input signal is input from input terminal 1, passes through matcher 2 to unidirectional bandpass surface acoustic wave filter 3, then reaches matcher 4, passes through matcher 4 to PA (Power Amplifier, power amplifier) ​​5, from PA5 The output signal passes through the matcher 6, the one-way band-pass surface acoustic wave filter 7, and the matcher 8 is output from the output port 9. The unidirectional bandpass surface acoustic wave filter 3 is composed of a substrate 31 and an input transducer 32 and an output transducer 33 on the substrate 31. The input transducer 32 is composed of electrodes 321 and finger strips 322. PA is a two-stage amplifier, 1stage51 and 2stage52 respectively.

[0017] The bandpass surface acoustic wave filter and PA in the present invention can adopt existing technical solutions. In the example of the present invention, a lithium niobate band-pass surface acoustic wave filter is used to achieve filtering. I...

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Abstract

The invention discloses a relay which is characterized by comprising matchers, one-way surface acoustic wave filters and a power amplifier, wherein the input end of the relay is accessed to the first one-way surface acoustic wave filter by the first matcher; the first one-way surface acoustic wave filter is connected with the power amplifier by the second matcher; the power amplifier is connected with a second one-way surface acoustic wave filter by a third matcher; and the second one-way surface acoustic wave filter is connected with the output of the relay by the fourth matcher. The relay has the advantages of larger dynamic range, good thermostability and high working reliability, and the crosstalk and the intermodulation distortion of the relay can be lowered.

Description

Technical field [0001] The invention relates to a high-performance repeater. Background technique [0002] A repeater (RP repeater) is a device that connects network lines. It is often used for two-way forwarding of physical signals between two network nodes. Repeater is the simplest network interconnection equipment, mainly completes the function of the physical layer, is responsible for transmitting information on the physical layer of two nodes, and completes the function of signal replication, adjustment and amplification, so as to extend the length of the network. Due to loss, the power of the signal transmitted on the line will gradually attenuate, and when the attenuation reaches a certain level, it will cause signal distortion, which will lead to reception errors. The repeater is designed to solve this problem. It completes the connection of the physical circuit and amplifies the attenuated signal to keep the same as the original data. The existing repeater has a small...

Claims

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Application Information

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IPC IPC(8): H04B7/14
Inventor 高怀王晓彧陈文兰孙晓红田婷张晓东
Owner SUZHOU INNOTION TECH
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