A QUASI-OPTICAL RESONANT-TUNNELING-DIODE OSCILLATOR OPERATING ABOVE 200 GHZ

被引：7
|
作者：
BROWN, ER
PARKER, CD
CALAWA, AR
MANFRA, MJ
MOLVAR, KM
机构：
[1] Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1993年 / 41卷 / 04期
关键词：
Microwave oscillators;
D O I：
10.1109/22.231671
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：
A quasioptical resonant-tunneling-diode oscillator is demonstrated at frequencies above 200 GHz. The oscillator is stabilized by a semiconfocal open cavity. The maximum output power and the linewidth are approximately 50 muW and 20 kHz, respectively, at a fundamental frequency of 210 GHz. By varying the cavity length, the oscillator frequency can be adjusted over a 0.4 GHz range in a repetitive manner. This behavior is explained by analogy with laser oscillators. The quasioptical RTD oscillator is well suited as a local oscillator for low-power radiometric mixers.
引用
收藏
页码：720 / 722
页数：3
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