Low-noise one-port microwave transistor amplifier

被引：10

作者：

Venguer, AP ^{[1
]}

Medina, JL ^{[1
]}

Chávez, R ^{[1
]}

Velázquez, A ^{[1
]}

机构：

[1] CICESE Res Ctr, Elect & Telecommun Dept, Ensenada 22860, Baja California, Mexico

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2002年 / 33卷 / 02期

关键词：

microwave transistor amplifier; one-port transistor amplifier; reflection amplifier; low-noise figures; noise suppression;

D O I：

10.1002/mop.10236

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 new type of a microwave reflection amplifier with very low noise properties is presented. The proposed amplifier consists of a circulator and a one-port circuit with the use of a transistor operating under negative resistance conditions. An expression for estimating the noise figure for this type of amplifier is proposed. Experimental results show that such a class of amplifiers that use only one transistor provides a higher transmission gain and a smaller noise figure than a conventional single-stage amplifier, making it interesting to operate at milli-meter-wave frequencies. (C) 2002 Wiley Periodicals. Inc.

引用

页码：100 / 104

页数：5

共 50 条

[1] Comments on "low-noise one-port microwave transistor amplifier"
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Paul, DK
[J]. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2002, 35 (03) : 251 - 252
[2] Response to comments on "low-noise one-port microwave transistor amplifier"
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[J]. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2002, 35 (03) : 252 - 253
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