Volume 12, Issue 2 (June 2016)                   IJEEE 2016, 12(2): 119-125 | Back to browse issues page

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Safari M, Eghtesadi M, Mosavi M R. A Concurrent Dual-Band Low Noise Amplifier for GNSS Receivers. IJEEE. 2016; 12 (2) :119-125
URL: http://ijeee.iust.ac.ir/article-1-880-en.html
Abstract:   (3122 Views)

In this paper, a new design of concurrent dual-band Low Noise Amplifier (LNA) for multi-band single-channel Global Navigation Satellite System (GNSS) receivers is proposed. This new structure is able to operate concurrently at frequency of 1.2 and 1.57 GHz. Parallel and series resonance parts are employed in the input matching in order to achieve concurrent performance. With respect to used pseudo-differential structure, LNA is basically a single-ended-to-differential conversion and it consequently has no need to balun. In addition, an inductively degenerated cascode approach is employed to have better simultaneous matching and Noise Figure (NF). Simulations are performed with TSMC  0.18 μm technology in ADS software. Results analysis present that LNA achieves input matchings of -11.024 and -13.131 dB, NFs of 2.315 and 2.333 dB, gains of 26.926 and 27.576 dB, P-1dB of -15.3 and -13 dBm, IIP3 of -0.9 and 2.2 dBm at 1.2 and 1.57 GHz, respectively. Besides, LNA consumes 8.32 mA DC current from a 1.8 V supply voltage.

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Type of Study: Research Paper | Subject: Analog Circuits
Received: 2015/12/25 | Accepted: 2016/05/14 | Published: 2016/06/20

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© 2019 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.