Design of a millimeter-wave CMOS radiation oscillator with an above-chip patch antenna

被引：2
|
作者：
Sasaki, Mamoru [1 ]
机构：
[1] Hiroshima Univ, Grad Sch, Hiroshima 7398530, Japan
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2006年 / 53卷 / 10期
关键词：
balanced structure; broadband communication; CMOS integrated circuit; microstrip patch antenna; millimeter-wave; radiation oscillator; short-range communication;
D O I：
10.1109/TCSII.2006.882234
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This brief presents a design method of a millimeter-wave CMOS radiation oscillator for broadband short-range communication. An above-chip patch antenna is proposed for the radiation oscillator. The proposed antenna has a balanced port, which makes it suitable for the direct connection of CMOS cross-coupling transistors. The properties of the antenna are analyzed by an electromagnetic field solver, and, in particular, the input resistance is discussed in detail, so that the condition of millimeter-wave oscillation is satisfied even by CMOS FETs having gains lower than GaAs FETs. Furthermore, on/off-keying modulation can be carried out using switch transistors, and two switching techniques are used to realize a large data rate. A performance of 500 Mb/s and a total efficiency of 0.12, which includes both the antenna and the circuit efficiencies, are confirmed by circuit simulation.
引用
收藏
页码：1128 / 1132
页数：5
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