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A single-chip absorbing single-pole single-throw switch chip

A single-pole single-throw switch, absorbing technology, applied in communication technology and radio frequency switch, microelectronics, semiconductor field, can solve the problem that the switch function cannot be realized, increase the complexity of the switch circuit design, etc., to achieve positive control and single control Bit control, high integration, and stable performance

Active Publication Date: 2021-10-26
XIAN BORUI JIXIN ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adding a digital driver increases the design complexity of the entire switching circuit. Once a problem occurs in the digital part, the entire switching function will not be realized.

Method used

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  • A single-chip absorbing single-pole single-throw switch chip
  • A single-chip absorbing single-pole single-throw switch chip

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Embodiment Construction

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0025] It should be understood that terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0026] The invention provides a single-chip absorbing single-pole single-throw switch chip, which includes transistors M1-M3, bias resistors R1-R7, absorbing resistor R8, and DC blocking capacitors C1-C4;

[0027] It can be understood that in the technical solution of the present invention, the transistors M1 - M3 are used as switch tubes, which can control the opening and closing of the radio frequency channel.

[0028] It can be understood that in the technical solution of the present invention, the bias voltages R1-R7 are used to provide isolation between DC and RF to prevent le...

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Abstract

The invention discloses a single-chip absorbing single-pole single-throw switch chip, which includes transistors M1-M3, bias resistors R1-R7, absorbing resistors R8, and DC-blocking capacitors C1-C4, and realizes the radio frequency path through series-parallel connection on and off. The invention can realize single power and positive pressure control, and has the advantages of less control ports, simple structure, stable performance and high integration degree.

Description

technical field [0001] The invention belongs to the field of microelectronics, semiconductor, communication technology and radio frequency switch, and relates to a single-chip absorbing single-pole single-throw switch chip controlled by a single electric positive pressure. Background technique [0002] RF switches are an important part of modern communication systems, widely used in microwave communication, radar systems, phased arrays, electronic warfare, automatic test equipment and many other fields, and play the role of signal on-off and selection of transmission channels in wireless communication systems , the RF performance of the switch has a decisive impact on the entire communication system. With the development of emerging Internet technology, people have higher and higher requirements for wireless communication technology. With the continuous development of wireless communication technology, miniaturization, low cost and high performance have gradually become the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/94
CPCH03K17/94
Inventor 原怡菲
Owner XIAN BORUI JIXIN ELECTRONICS TECH