一种4 GHz瞬时带宽的6~18 GHz超宽带T/R组件设计

doi:10.16180/j.cnki.issn1007-7820.2024.08.014

摘要/Abstract

摘要：

针对现代电子对抗设备的大瞬时带宽要求,文中设计了一种瞬时带宽4 GHz的6~18 GHz超宽带T/R组件。采用砖块式多芯片组件(Multi-Chip Module,MCM)和超宽带信号传输等技术实现了T/R组件高集成、小型化和模块化的要求。对T/R组件组成构架、收发通道指标预算、宽带信号传输特性仿真和电磁兼容性设计进行了详细描述。测试结果显示,T/R组件在12 GHz工作带宽内具有良好的性能,发射功率大于35 dBm,接收增益大于20 dB,噪声系数小于5 dB,延时总量达762 ps。

关键词: T/R组件, 超宽带, 6~18 GHz, 延时, 多芯片组件, 微波单片集成电路

Abstract:

In view of the high instantaneous bandwidth requirement of modern electronic countermeasures equipment, a 6~18 GHz ultra-wideband T/R module with instantaneous bandwidth of 4 GHz is designed in this study. The MCM(Multi-Chip Module) and ultra-wideband signal transmission technologies are used to realize the requirements of high integration, miniaturization and modularization of T/R components. The structure of T/R components, the index budget of transceiver channel, the simulation of broadband signal transmission characteristics and the design of electromagnetic compatibility are described in detail. The test results show that the T/R module has a good performance in the 12 GHz operating bandwidth, the transmit power is greater than 35 dBm, the receive gain is greater than 20 dB, the noise factor is less than 5 dB, and the total delay time is up to 762 ps.

Key words: T/R module, ultra-wideband, 6~18 GHz, time delay, MCM, MMIC

中图分类号:

TN95

王洁, 武华锋, 李宁, 廖原, 周生华. 一种4 GHz瞬时带宽的6~18 GHz超宽带T/R组件设计[J]. 电子科技, 2024, 37(8): 97-102.

WANG Jie, WU Huafeng, LI Ning, LIAO Yuan, ZHOU Shenghua. A Design of 6~18 GHz Ultra-Wideband T/R Module with 4 GHz Instantaneous Bandwidth[J]. Electronic Science and Technology, 2024, 37(8): 97-102.

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器件	增益 /dB	输出功率 /dBm	P_-1/P_sat /dBm	压缩度 /dB
连接器+衰减器1	-2.3	-2.3
双向放大器	19.0	16.7	19
延迟器+均衡器1 +开关	-28.0	-11.3
驱动放大器1	26.0	14.7	16
开关+两级一分二功分器功分器	-11.0	3.7
收发幅相多功能	5.0	8.7	15
衰减器2	-1.0	7.7
驱动放大器2	22.0	27.0	27	1
衰减器3	-1.0	26.0
功率放大器	18.0	37.8	38	4
环行器+连接器	-2.3	35.7
合计		35.7

器件	增益 /dB	噪声系数 /dB	输出功率 /dBm	P_-1 /dBm
连接器	-0.2	0.2	-20.2
环行器	-1.5	1.5	-21.7
限幅器	-0.7	0.7	-22.4
低噪声放大器1	27.0	1.5	4.5	14
衰减器	-1.0	1.0	3.5
收发幅相多功能	1.5	12.0	5.0	16
两级一分二功分器分器+开关	-5.0	5.0	0.0
低噪声放大器2	14.5	4.0	15.0	17
均衡器2+开关	-5.0	5.0	10.0
均衡器1+延迟器	-26.0	26.0	-16.0
双向放大器	19.0	4.0	3.0	19
衰减器1+连接器	-2.3	2.3	0.7
合计	20.7

指标名称	要求	实测值
工作频率范围	6~18 GHz	6~18 GHz
发射输出功率	≥35 dBm	35.7 dBm
输出功率带内起伏	≤±1.5 dB	2 dB
移相器	6位, 移相精度≤5°(RMS)	6位, 移相精度3°(RMS)
接收噪声系数	≤5 dB	4.94 dB
接收增益	≥19 dB	20.7 dB
接收增益带内起伏	≤±2 dB	3.6 dB
衰减器	6位, 衰减精度≤0.5 dB(RMS)	6位, 衰减精度0.4 dB(RMS)
时延总量	≥627 ps	762 ps
时延精度	≤22 ps	6 ps