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Showing 1 to 20 of 48 for “"Low noise amplifier"”.
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A High Temperature Wideband Low Noise Amplifier
… This paper presents a high temperature wideband low noise amplifier (LNA) with zero temperature coefficient maximum available gain (ZTCMAG) biasing for a downhole communication system. The proposed LNA is designed and prototyped using 0.25μm GaN on SiC RF transistor technology, which is chosen …
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A Power Constrained 433-MHz Low Noise Amplifier
<p>Within wireless communication systems, low noise amplifiers are critical for the performance of receivers. They are primarily responsible for providing enough gain while adding little noise to overcome the noise of the subsequent stages. The LNA presented here is part of a battery-powered …
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Design of low noise amplifier for ultra-wideband applications
The recent surge in the demand for low power portable wireless electronics that can offer extremely high data rates has resulted in much active research in Ultra-Wideband (UWB) systems. UWB is widely recognized as a promising technology for high data rate, short-range applications with precise time …
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A reconfigurable low noise amplifier for a multi-standard receiver
… multiband LNAs for two bands of interest (lower frequency band – 800 to 1000 MHz and upper frequency band – 1800 to 2200 MHz). These two bands should cover most of the 2G and 3G standards currently in use worldwide. In this work, the design of LNA based on IDCS topology using wide band …
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Introduction of low noise amplifier for ultra-wideband radar receiver
… of the subject. My work is to provide a novel low-noise Amplifier (LNA) design. Major contributions include: Analysis of parameters of an LNA design which represent the important characteristics of for an ultra-wideband short range radar system. Comparison of classic LNAs and documenting of …
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Design of a Low Noise Amplifier for Wireless Sensor Networks
… In a high performance radio receiver, the Low Noise Amplifier (LNA) is the first circuit, and its noise performance dominates the entire receiver. Depending upon the system in which they are used, LNAs can be designed according to various topologies and structures. The LNA needs to have …
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Low noise amplifier and mixer design for a 1.8GHz low power receiver
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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V-band low noise amplifier and mixer design using 90 nm CMOS technology
… on two important building blocks such as lownoise amplifier and down-conversion mixer. At first, the specifications of the receiver and its sub-blocks have been extracted applying to the planned transceiver system the requirements obtained by the IEEE 802.15.3c standard. Afterwards, a deep …
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The Effect Of Hot Carrier Stress On Low Noise Amplifier Radio Frequency Performance Under Weak And Strong Inversion
… on studying RF performance degradation of a low noise amplifier (LNA) circuit due to hot carrier effect (HCE) in both the weak and strong inversion regions. Since the figures of merit for the RF circuit characterization are gain, noise figure, input, and output matching, the LNA RF …
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Digital CMOS Design for Ultra Wideband Communication Systems: from Circuit-Level Low Noise Amplifier Implementation to a System-Level Architecture
… of ultra wideband (UWB) radios due to its low power and low cost. In addition to CMOS implementation, UWB radios would also significantly benefit from a radio architecture that enables digital communications. In addition to the normal challenges of CMOS RFIC design, there are two major …
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Six-port wireless receiver architectures
… 900 MHz to4 GHz and can give bit error rate as low as 8E-7 for input power levels of - 37 dBm without a low noise amplifier. In addition three robust novel methods for the calibration of the six-port digital receiver, which relate to dual-tone calibration. receiver frequency synchronization and …
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Radio frequency circuit design and packaging for silicon-germanium hetrojunction bipolar technology.
… Chapter 2 presents the methodology of the low noise amplifier (LNA) design and discusses the trade-off between the noise and gain matching. The technique for achieving simultaneous noise and gain matching for the LNA is also presented. Chapter 3 presents an L-band cascaded feedback SiGe low …
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Millimeter-wave low-noise amplifiers using cost-effective ion-implanted MESFETs and coplanar transmission lines
… design and implementation of a monolithic 38 GHz low-noise amplifier using 0.25 $\mu$m ion-implanted GaAs MESFETs and coplanar waveguide transmission lines. It describes the development of low-noise GaAs FETs, measurement and modeling of active and passive components, circuit design, simulation, …
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Circuit Design And Reliability Of A Cmos Receiver
… design methods are proposed, for example, for low noise amplifier (LNA). Except for band filters, local oscillators, and analog-digital converters which are usually implemented by COTS SAW filters and ICs, all the remaining blocks such as switch, LNA, mixer, and local oscillator are designed in …
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Design and Analysis of An Active Integrated Antenna
… consists of a microstrip patch antenna and a low noise amplifier (LNA), which are integrated together with a matching circuit and printed on an FR4 PCB circuit board. The system is designed, analyzed, and optimized by targeting to satisfy the design specifications for both the microstrip …
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Gallium Nitride-Based HEMTs for Microwave Power and Noise: Physics and Application
… speed performance, both high microwave power and low microwave noise. In this dissertation, the millimeter-wave and microwave power performance and small signal and low noise microwave characteristics are investigated. The CW power performance at 20 GHz and 30 GHz of 0.25 mum x 100 mum AlGaN/GaN …
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Silicon-Based PALNA Transmit/Receive Circuits for Integrated Millimeter Wave Phased Arrays
… optimization problem of switchless power amplifier/low-noise amplifier (PALNA) matching networks, which present optimal matching impedances to both the power amplifier (PA) and the low noise amplifier (LNA) while maximizing power transfer efficiency and minimizing dissipative losses in …
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Time-Variant Components to Improve Bandwidth and Noise Performance of Antennas
Without noise, a wireless system would be able to transmit and receive signals over an arbitrary long-distance. However, practical wireless systems are not noise-free, leading to a limited communication range. Thus, the design of low-noise devices (such as antennas, amplifiers, and filters) is …
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Multiband RF/Microwave Front-end Receiver Design for Multi-Standard Applications
… new standards, multi-standard transceivers with low cost, low power, and high integrity start to receive more attention in recent years. As the number of operating frequency bands increases, the number of external filters and low-noise amplifiers in a commonly used multi-standard receiver with …
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