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Numerical control amplitude-phase multifunctional chip and method for transmitting signals in chip

A multi-functional, signal technology, applied in the direction of multi-carrier systems, etc., can solve the problems of high power consumption, high cost, and large chip size of digital drive circuits, and achieve the effect of improving signal linearity, high gain, and increasing integration

Pending Publication Date: 2021-03-19
BEIJING INST OF RADIO MEASUREMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, many numerical control amplitude and phase multifunctional chips are realized by GaAs technology, but the existing problems are large chip size, high cost, and high power consumption of digital drive circuits.

Method used

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  • Numerical control amplitude-phase multifunctional chip and method for transmitting signals in chip

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Embodiment Construction

[0021] In order to illustrate the present application more clearly, the present application will be further described below in conjunction with preferred embodiments. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present application.

[0022] Such as figure 1 As shown, one embodiment of the present application provides a digitally controlled amplitude-phase multifunctional chip, which includes: Rin port, Com port, Tout port, amplifier unit A, amplifier unit B, amplifier unit C, switch unit A, switch Unit B, switch unit C, attenuator unit A, attenuator unit B, phase shifter unit, driver unit, wherein,

[0023] The Com port is the common port of the receiving mode and the transmitting mode. Specifically, the input terminal of the receiving mode is Rin, the output terminal of the receiving mode is the Com port; the input terminal of the transmittin...

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Abstract

The invention discloses a numerical control amplitude-phase multifunctional chip and a method for transmitting signals in the chip. The numerical control amplitude-phase multifunctional chip comprisesa first port, a second port, a third port, a first switch unit connected with the first port, a first amplifier unit connected with the first switch unit, a phase shifter unit connected with the first amplifier unit, a second amplifier unit connected with the phase shifter unit, a first attenuator unit connected with the second amplifier unit, a third amplifier unit connected with the first attenuator unit, a third switch unit connected with the third amplifier unit, a second switch unit connected with the third switch unit and the first switch unit, and a second attenuator unit is connectedwith the second switch unit, wherein the third port is connected with the second attenuator unit; the first end of the driver unit is connected with the first attenuator unit; and the second end of the driver unit is connected with the phase shifter unit.

Description

technical field [0001] This application relates to the field of semiconductor integrated circuits. More specifically, it relates to a digitally controlled amplitude-phase multifunctional chip and a signal transmission method in the chip. Background technique [0002] With the maturity of semiconductor technology and semiconductor process, the demand for miniaturization of products is becoming stronger and stronger, which makes the product have higher and higher requirements for integration. Silicon-based integrated circuits occupy a large share of the market due to their low cost advantages, among which , Silicon-based CMOS and SiGe chips have been widely used in radar, radio astronomy, electronic warfare and remote sensing numerical control systems, and are key components for radar system selection. [0003] The digitally controlled amplitude-phase multifunctional chip is mainly used in the transceiver channel of the phased array radar system. It can provide a certain sign...

Claims

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Application Information

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IPC IPC(8): H04L27/36H04L27/38
CPCH04L27/36H04L27/38
Inventor 杨帆
Owner BEIJING INST OF RADIO MEASUREMENT