CMOS Design of Wideband Inductor-Less LNA
Journal Title: IOSR journal of VLSI and Signal Processing - Year 2018, Vol 8, Issue 3
Abstract
With the current trend of ever developing communication systems, and every communicating system consisting of an antenna and receiver requires foremost a Low Noise Amplifier with a good gain and as well contributing to not much noise, hence LNA design has been an ever challenging task to Analog designers. With this work a wideband, inductor-less LNA with noise canceling technique is examined and designed in 45-nm CMOS process. The proposed LNA combines two techniques, resistive feedback and noise cancellation to provide both a wideband input match and good noise performance. The result is a wideband, differential LNA without any need for external matching components. As the solution is inductor-less hence saves valuable area on chip. The LNA covers frequency bands within 0.1 – 2GHz a voltage gain of 24.7 dB. The NF is below 3.46 dB with a power consumption of only 6 mW. This solution has many features such as high bandwidth with a good input match, inductor-less design saving area and cost.
Authors and Affiliations
1 Jamuna S ,*, 2 Dinesha P,*, 3Kp Shashikala * ,, Haripriya T K *
Keywords
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