A bi-directional interferometric frequency discriminator for low noise microwave applications

被引：0

作者：

Hartnett, JG ^{[1
]}

Tobar, ME ^{[1
]}

Ivanov, EN ^{[1
]}

机构：

[1] Univ Western Australia, Dept Phys, Nedlands, WA 6009, Australia

来源：

2000 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS DIGEST | 2000年

关键词：

D O I：

10.1109/CPEM.2000.850870

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：

New interferometric frequency discriminators (FD) for frequency stabilization of microwave oscillators are examined. Alternative topologies to the standard interferometric read-out are presented The new readouts are arranged in a bi-directional (BD) (patent pending) configuration. In this configuration, microwaves pass in both directions through each arm of the interferometer. The coupling to the resonator is adjusted to maximize the frequency discriminator sensitivity. The sensitivity is compared with that for the conventional interferometric FD and found to be 6 dB greater. No circulator is required within the interferometer, thus eliminating its phase the noise contribution.

引用

页码：48 / 49

页数：2

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