CPW-FED ACTIVE SLOT ANTENNAS

被引：88

作者：

KORMANYOS, BK ^{[1
]}

HAROKOPUS, W ^{[1
]}

KATEHI, LPB ^{[1
]}

REBEIZ, GM ^{[1
]}

机构：

[1] TEXAS INSTRUMENTS INC,DEF SYST & ELECTR GRP,MCKINNEY,TX 75070

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1994年 / 42卷 / 04期

基金：

美国国家航空航天局;

关键词：

Active networks - Antenna arrays - Antenna feeders - Dielectric waveguides - Electric losses - Impedance matching (electric) - Integral equations - Mathematical models - Microwave antennas - Microwave oscillators - Millimeter waves - Monolithic integrated circuits;

D O I：

10.1109/22.285057

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 [电气工程]; 0809 [电子科学与技术];

摘要：

We have combined microwave oscillator design with theoretical characterization of planar antennas to build active slot-oscillators. The design is uniplanar, does not require via holes and is compatible with monolithic transistor technology. The coplanar waveguide (CPW) fed antenna impedance is calculated using the space domain integral equation technique (SDIE), a full wave method of moments approach. Slot-oscillators were built at 7 GHz and 20 GHz and the predicted oscillation frequencies agree well with experiments. The 20 GHz medium power oscillator has an output power of 17 mW and a DC to RF efficiency of 14%. The design is easily scaled to millimeter-wave frequencies and can be extended to power combining arrays.

引用

页码：541 / 545

页数：5

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