Optimum LNA for WAVE Application

Iyer, Makesh; Shanmuganantham, T.

doi:10.1007/978-981-13-1906-8_64

Cited by 3 publications

(1 citation statement)

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“…However, the presence of rain causes attenuation in the propagating electromagnetic waves, leading to the reception of distorted signals by the antenna. To address this, a low noise amplifier (LNA) has been devised and proposed in [7] which indicated to enhance the received signal strength-both in terms of gain and reduction in noise figure. This improvement enables more accurate detection of radio signals reflected from the Earth surface at the receiver of aircraft.…”

Section: Fundamentals Of Lna and Topologiesmentioning

confidence: 99%

A gyrator-C active inductor based tunable low noise amplifier for sub-GHz frequency range

Prashar,

Kapur

2024

Eng. Res. Express

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The propose exhibits a tunable low noise amplifier (LNA), which provides the tunability at sub-GHz frequency range and hence can become choicest frequency range for 5G applications. Common source (CS) with source degeneration inductor LNA is proposed; in which the inductor in source branch is replaced by gyrator-c active inductor which not only reduced the overall area of the circuit but can also be used to provide the feature of tunability by changing the bias voltage of CMOS based active resistor in feedback branch. Therefore, instead of having a LNA circuit for the fixed frequency, a single tunable LNA design can be used over a range of frequency from 1GHz to 5GHz. The proposed approach will provide the direct tuning to the circuit. The forward voltage gain achieved is greater than 10dB, input matching parameter is less than -10dB and the output matching parameter is less than -10dB. The average power dissipated is 0.02W. The results can be tuned by controlling the feedback voltage of tunable active inductor (Tunable_AI). The tunable results can be achieved up to the bandwidth of 1GHz.

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Section: Fundamentals Of Lna and Topologiesmentioning

confidence: 99%