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Now showing items 11-20 of 20
Linearity enhancement technique for low noise amplifiers
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
The development of CMOS technology in to deep sub micron enables the use of such technology for implementation for GHz RF circuits. Personal communication needs a low cost and low noise RF transceiver for cellular applications ...
CMOS RFIC mixer design
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)
A CMOS RF (Radio Frequency) up/down conversion mixer results in a reasonable increase in transceiver integration and a reduction in cost. The design of mixers faces many compromises between conversion gain(GC), local ...
Comparison of single-bit and multi-bit second order sigma-delta modulators
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
This work deals with comparison of Single-bit and Multi-bit Second Order Sigma-Delta Modulators at system level for various performance metrics and different circuit nonidealities. For this work of comparison, Boser-Wooley ...
Design of a CMOS variable gain amplifier
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
In advanced CMOS technologies as device dimensions are decreasing, requirement for lower supply voltages are increasing to make certain device reliability. So, challenges for analog circuit designers are to discover new ...
Design of a low power high slew rate OPAMP and to study its impact on sigma delta modulator's performance
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
This thesis presents the work done on the design of a low-power, high slew rate opamp and subsequently the design of a fully-differential second order Switched-Capacitor architecture of a Sigma Delta modulator in 1.8 V, ...
Low power high speed amplifier design
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
The operational amplifier (op-amp) is one of the important component in analog to digital converters. The power consumption of these converters mostly depend on the op-amps used. The accuracy and speed performance of analog ...
Novel architecture for a CMOS low noise amplifier at 2.4 GHz
(Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
Radio frequency design has been one of the major research areas in the recent past. Emergence of several Wireless Communication standards has demanded availability of different analog blocks for use in transceivers with ...
Receiver amplifier design using CMOS current feedback amplifier and current conveyors
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
In the world of high-speed communications, systems involving high-speed data transfer require circuits with innovative features for good performance in terms of speed and power consumption. These data transfer systems ...
Symbol detection in MIMO systems
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
Multiple input multiple output symbol detection methods are observed under frequency flat fading AWGN channel condition. The modulation method employed is Quadrature amplitude modulation (QAM). The various symbol detection ...
Design of low voltage high performance voltage controlled oscillator
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
In this thesis an ultra low voltage differential capacitive feedback VCO is being proposed .The VCO operates at very low supply voltage of 0.6V.The VCO uses techniques like Forward Body Bias (FBB), and capacitive feedback ...