Sub-mA single ended CMOS low noise amplifier with 2.41 dB noise figure

Rana, Ram Singh; Liang, Zhang; Garg, H.K.

doi:10.1007/s10470-006-7159-0

Cited by 3 publications

(1 citation statement)

References 4 publications

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“…The proposed system architecture and the developed behavioral models can also be used in the simulation and design of the CI devices [40]. The proposed hearing aid system can be realised on silicon using CMOS technology [32,41]. …”

Section: Discussionmentioning

confidence: 99%

Reverberation canceling wireless aid for hearing impaired

Rana¹,

Tang

Liang³

et al. 2007

Analog Integr Circ Sig Process

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The stringent requirements on size and power consumption constrain the conventional hearing aid devices. Besides providing an economic and user friendly aid, reverberation/echo cancellation is an important requirement. With the technological advancements, wireless hearing aids exploiting the usage of multi-microphones, mixed signals and RF signals processing circuits, digital signal processing units sound promising to overcome existing constraints. A new wireless hearing aid system is proposed in this paper. Unlike the previously reported wireless hearing aid concept, it needs only one way data transfer from body unit to the earpiece. It helps in minimizing power consumption in the earpiece RF-linked with a body unit with DSP based reverberation canceling scheme. For this purpose, a noise cancellation algorithm is developed based on beam-forming technique. The functioning of the whole system comprising an earpiece and a body unit has been ensured using the Advanced Design System TM . The ADS compatible behavioral models were developed in order to enable the system level simulation. A comprehensive noise analysis is carried out and validated.

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Section: Discussionmentioning

confidence: 99%

Reverberation canceling wireless aid for hearing impaired

Rana¹,

Tang

Liang³

et al. 2007

Analog Integr Circ Sig Process

Self Cite

View full text Add to dashboard Cite

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Harmonic analysis of CMOS low noise amplifier with employing PMOS IMD technique for biosensor applications

2023

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Low noise amplifier with resistive and capacitive feedback for 2.4 GHz RF receiver front end

Radha

Shylu

Nagabushanam

et al. 2019

JHS

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Low Noise Amplifier (LNA) is the front end block in RF receiver that improves the performance of wideband receivers. These receivers need LNA with high linearity to protect its signals from out-of-band interferences. Linearization is a key factor in LNA that maintains linear operation in the presence of large distracting signals. Existing techniques in LNA design are optimum gate biasing, MGTR, body biasing, noise cancellation, feed forward, derivative superposition, and modified DS technique. The key challenge of RF LNA circuit is to attain high gain and better noise performance with low power consumption without affecting linearity of LNA. This paper presents several linearization methods used in CMOS LNA. These are (1) post distortion, (2) capacitive feedback, (3) resistive feedback, and (4) current reuse technique. We also propose a new method for LNA with resistive and capacitive feedback. In this paper, different LNA circuits and proposed LNA are simulated using 90 nm CMOS technology. Reuse of bias current and two stage coupling by single current source approach in the proposed current reuse LNA with resistive (R) and capacitive (C) feedback yields better gain of 15.2 dB, noise figure of 2.17 dB and power consumption of 7.1 mW with respect to other techniques. The outputs obtained are compared with other similar works. These results validate that the proposed LNA is practically feasible for wireless sensor network applications.

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Sub-mA single ended CMOS low noise amplifier with 2.41 dB noise figure

Cited by 3 publications

References 4 publications

Reverberation canceling wireless aid for hearing impaired

Reverberation canceling wireless aid for hearing impaired

Harmonic analysis of CMOS low noise amplifier with employing PMOS IMD technique for biosensor applications

Low noise amplifier with resistive and capacitive feedback for 2.4 GHz RF receiver front end

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