Study and design of wide band low noise amplifier operating at C band
Main Article Content
Abstract
Abstract:This paper reports on design and fabrication of wide band low noise amplifier (LNA) atC band, which is used for satellite receiver systems. The most important thing in the design of the LNA is to compromise importance characteristics such as gain, noise figure, stability, bandwidth. The results of this paper introduce an approach to design the LNA with gain as high as possible, bandwidth 800 MHz and the lowest noise figure. All the designed, simulated and fabricated processes were done using Agilent’ ADS 2009 package. The LNA has successfully been fabricated using microtrip technology and pHEMT transistor amplifier with following specifications: Maximum overall gain is 23.9 dB, operating frequency from 3.4 GHz to 4.2 GHz, standing wave ratio is less than 1.9, the reverse isolation: -41dB, input and output impedance: 50 Ω.
Keywords: LNA, C band, noise figure, satellite receiver, ADS.
References
[2] David M. Pozar, Microwave Engineering, 3nd Edition, John Wiley & Sons, Inc- New York, United State of America, chap 11, 2005.
[3] Gerard Garal, Michel Bousquet, Satellie Communications Systems, John Willey & Sons, Ltd, chap 1, 2009.
[4] G. Gonzalez, Microwave transistor amplifiers – analysis and design, second dition, Prentice Hall, Inc, 1997.
[5] Abhay P. Kulkarni, S. Ananthakrishnan, 1 to 3 GHz Wideband Low Noise Amplifier Design, 2012 5th International Conference on computers and devices for communication (CODEC).
[6] Hoi Tran Van, Duong Bach Gia, Study, design and fabrication of Low Noise Amplifier at C band used for satellite receiver system Vinasat I, The 2012 International Conference on Advanced Technologies for Communications, ATC/REV 2012, pp.150-153.
[7] Mohsen Moezzi, Member, IEEE, and M. Sharif Bakhtiar, Wideband LNA Using Active Inductor With Multiple Feed-Forward Noise Reduction Paths, IEEE transactions on microwave theory and techniques, Vol. 60, No. 4, April 2012, pp.1069-1078.
[8] Nguyen Huu Duc, Nguyen Phu Binh, Ta Hong Hanh, Hoang Duc Long, Bach Gia Duong, Research, design and fabrication of a high frequency low noise amplifier for satellite communications, VNU Journal of Science, Mathematics - Physics 27, No. 1S (2011), pp.62-65.
[9] Zhihong Dai; Yongzhong Hu; Kunzhi Xu, Two-stage Low Noise Amplifier for BD-II Receiver Application, 2012 5th Global Symposium on Millimeter Waves (GSMM 2012), pp.303-306.