固态脉泽中的负L和负C

R. Kyhl, R. McFarlane, M. W. P. Strandberg
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引用次数: 19

摘要

将固态腔脉泽的分析扩展到包括顺磁共振的反应成分。这个电抗是倒置的(与福斯特的电抗定理相反)。双腔网络利用电抗的负频率依赖性来获得宽带平顶放大器响应。为了验证这一理论,已经建立了一个红宝石脉射器,在14db增益下具有95-Mc带宽,工作在9000 Mc和1.5°K。这种性能可与已发表的锥形磁场行波脉泽相媲美。推导了腔脉泽放大器的一般网络限制。已经发表的用于参数放大器的宽带技术本质上是等效的。宽带放大器的调谐是至关重要的。通过使用圆极化腔,可以在单侧传输脉泽中实现相同的性能,但是电路设计和随着参数数量的增加而调谐的问题迄今为止阻碍了成功的操作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Negative L and C in Solid-State Masers
The analysis of solid-state cavity masers is extended to include the reactive component of the paramagnetic resonance. This reactance is inverted (in opposition to Foster's reactance theorem). A two-cavity network makes use of this negative frequency dependence of reactance to obtain a broad-band flat-topped amplifier response. In verification of this theory a ruby maser has been built which has a 95-Mc bandwidth at 14-db gain and operates at 9000 Mc and 1.5°K. This performance is comparable to that of published, tapered magnetic field traveling-wave masers. General network limitations on cavity maser amplifiers are derived. Broadbanding techniques that have been published for parametric amplifiers are essentially equivalent. The tuning of the broad-band amplifier is critical. The same performance can be achieved in a unilateral transmission maser by using circularly polarized cavities, but the problem of circuit design and tuning with the increased number of parameters has thus far prevented successful operation.
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