Design and implement of four-channel low-IF receiver chip in S band

WANG Xin-hua; CHEN Ming-hui; WEI Heng; WANG Xu-dong; ZHAO Jian-xin

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Design and implement of four-channel low-IF receiver chip in S band

更新时间：2026-09-04

- Design and implement of four-channel low-IF receiver chip in S band
- Vol. 38, Issue 1, Pages: 77-82(2021)
- 作者机构：
  
  中国电子科技集团公司第五十四研究所,河北,石家庄,050081
- 作者简介：
- 基金信息：
- DOI：
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- Published：2021
- 稿件说明：
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王鑫华, 陈明辉, 魏恒, 王旭东, 赵建欣. S波段四通道低中频接收电路芯片的设计和实现[J]. 微电子学与计算机, 2021, 38(1): 77-82.

WANG Xin-hua, CHEN Ming-hui, WEI Heng, et al. Design and implement of four-channel low-IF receiver chip in S band[J]. 2021, 38(1): 77-82.
王鑫华, 陈明辉, 魏恒, 王旭东, 赵建欣. S波段四通道低中频接收电路芯片的设计和实现[J]. 微电子学与计算机, 2021, 38(1): 77-82. DOI：

WANG Xin-hua, CHEN Ming-hui, WEI Heng, et al. Design and implement of four-channel low-IF receiver chip in S band[J]. 2021, 38(1): 77-82. DOI：

摘要

基于有源相控阵雷达的应用，设计了一款S波段四通道低中频接收芯片，射频接收信号为2.2~2.5 GHz，中频信号为2~6 MHz可调.为满足T/R组件低成本、轻量化的要求，芯片集成了四条接收通道、本振通路和数字控制等模块.针对多通道芯片容易产生耦合的现象，采用了多种物理布局方式提高通道隔离.采用SMIC 0.13 μm CMOS工艺进行了设计仿真和流片，芯片面积为3.91 mm×3.66 mm。测试结果表明，四通道低中频接收电路增益调整范围≥58.29 dB，通道噪声系数≤9.25 dB，通道隔离度≥32.2dB.

Abstract

Based on the application of the active phased array radar

this paper presents a low-immediate frequency(IF) receiver in S band with four channels and 2.2~2.5 GHz radio frequency(RF) input and 2~6 MHz IF.The receiver features a high integration to improve the T/R modules cost and weight properties

consisting of four channels and local path(LO) and digital control modules. In order to compensate for crosstalk among four channels

multiple layout techniques are introduced. The circuit was fabricated based on the SMIC 0.13 μm CMOS process

occupying a die area of 3.91 mm×3.66 mm. The experimental results show that the gain adjustment range of four-channel low-IF receiver achieves ≤9.25 dB NF

the dynamic gain is above 58.29 dB and the channel isolation is above 32.2 dB.

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references

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