An X-band hybrid MIC feedforward amplifier for low residual noise operation

Vladimir Sokolov; James N. Kruchowski; Mark E. Vickberg; Benjamin Buhrow; Steven Schuster; James Bublitz; Barry K. Gilbert; Erik S. Daniel

doi:10.1109/MWSYM.2005.1517146

An X-band hybrid MIC feedforward amplifier for low residual noise operation

Vladimir Sokolov, James N. Kruchowski, Mark E. Vickberg, Benjamin Buhrow, Steven Schuster, James Bublitz, Barry K. Gilbert, Erik S. Daniel

Physiology & Biomedical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

Abstract

A 10 GHz, 15 dB gain feedforward amplifier (FFA) is described whose design is primarily aimed at reducing residual phase noise. The two-module hybrid MIC construction incorporates GaAs MMICs and microstrip thin-film interconnects on alumina. For loop balance electronic gain control is achieved using dual gate distributed amplifiers, while phase control is accomplished with mechanical phase shifters and delay lines. Measurements of near carrier noise are made from 1 Hz to 6.4 MHz. In the flicker region the 1 Hz intercept is -110 dBc/Hz, with an approximate corner frequency around 30 KHz at -160 dBc/Hz.

Original language	English (US)
Title of host publication	2005 IEEE MTT-S International Microwave Symposium Digest
Pages	2039-2042
Number of pages	4
DOIs	https://doi.org/10.1109/MWSYM.2005.1517146
State	Published - 2005
Event	2005 IEEE MTT-S International Microwave Symposium - Long Beach, CA, United States Duration: Jun 12 2005 → Jun 17 2005

Publication series

Name	IEEE MTT-S International Microwave Symposium Digest
Volume	2005
ISSN (Print)	0149-645X

Other

Other	2005 IEEE MTT-S International Microwave Symposium
Country/Territory	United States
City	Long Beach, CA
Period	6/12/05 → 6/17/05

Keywords

Feedforward amplifiers
Hybrid integrated circuits
MMIC amplifiers
Phase noise

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/MWSYM.2005.1517146

Cite this

Sokolov, V., Kruchowski, J. N., Vickberg, M. E., Buhrow, B., Schuster, S., Bublitz, J., Gilbert, B. K., & Daniel, E. S. (2005). An X-band hybrid MIC feedforward amplifier for low residual noise operation. In 2005 IEEE MTT-S International Microwave Symposium Digest (pp. 2039-2042). Article 1517146 (IEEE MTT-S International Microwave Symposium Digest; Vol. 2005). https://doi.org/10.1109/MWSYM.2005.1517146

An X-band hybrid MIC feedforward amplifier for low residual noise operation. / Sokolov, Vladimir; Kruchowski, James N.; Vickberg, Mark E. et al.
2005 IEEE MTT-S International Microwave Symposium Digest. 2005. p. 2039-2042 1517146 (IEEE MTT-S International Microwave Symposium Digest; Vol. 2005).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sokolov, V, Kruchowski, JN, Vickberg, ME, Buhrow, B, Schuster, S, Bublitz, J, Gilbert, BK & Daniel, ES 2005, An X-band hybrid MIC feedforward amplifier for low residual noise operation. in 2005 IEEE MTT-S International Microwave Symposium Digest., 1517146, IEEE MTT-S International Microwave Symposium Digest, vol. 2005, pp. 2039-2042, 2005 IEEE MTT-S International Microwave Symposium, Long Beach, CA, United States, 6/12/05. https://doi.org/10.1109/MWSYM.2005.1517146

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abstract = "A 10 GHz, 15 dB gain feedforward amplifier (FFA) is described whose design is primarily aimed at reducing residual phase noise. The two-module hybrid MIC construction incorporates GaAs MMICs and microstrip thin-film interconnects on alumina. For loop balance electronic gain control is achieved using dual gate distributed amplifiers, while phase control is accomplished with mechanical phase shifters and delay lines. Measurements of near carrier noise are made from 1 Hz to 6.4 MHz. In the flicker region the 1 Hz intercept is -110 dBc/Hz, with an approximate corner frequency around 30 KHz at -160 dBc/Hz.",

keywords = "Feedforward amplifiers, Hybrid integrated circuits, MMIC amplifiers, Phase noise",

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AU - Bublitz, James

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An X-band hybrid MIC feedforward amplifier for low residual noise operation

Abstract

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Keywords

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