A 0.5-3GHz True-Time-Delay Phase Shifter for Multi-Antenna Systems

被引：0

作者：

Li Wenyuan ^{[1
]}

Wang Wan ^{[1
,2
]}

Chen Yang ^{[1
]}

机构：

[1] Southeast Univ, Inst RF & OE ICs, Nanjing 210096, Jiangsu, Peoples R China

[2] Southeast Univ, Sch Microelect, Nanjing 210096, Jiangsu, Peoples R China

来源：

2017 IEEE 2ND ADVANCED INFORMATION TECHNOLOGY, ELECTRONIC AND AUTOMATION CONTROL CONFERENCE (IAEAC) | 2017年

关键词：

CMOS; shunt peaking; multiple antennas systems; active switches; phase shifter; TTD;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A 0.5-3GHz true-time delay (TTD) phase shifter circuit is implemented. Basing on active delay cells and active switches, the coarse delay is achieved. The LC artificial transmission line (ATL) provides continuous delay. The delay variation of the total delay is less than 2.4% Using broadband matching and shunt peaking techniques, larger bandwidth and flatter group delay is obtained in phase shifter. The achieved relative total delay is from Ops to 92 ps. And the return loss of the circuit is better than-10dB. The core occupies of the TTD phase shifter with 1/0 pads is less than 0.63mm(2) in a 0.18-mu m CMOS technology.

引用

页码：506 / 509

页数：4

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