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A 46.5-dB Range, High Linearity, Low Power, Baseband Programmable Variable Gain Amplifier
Faculty
Engineering
Year:
2020
Type of Publication:
ZU Hosted
Pages:
8492-8504
Authors:
Mohammed Farahat Abdelhamied Abdelrahman
Staff Zu Site
Abstract In Staff Site
Journal:
International Journal of Advanced Science and Technology (IJAST) SERSC
Volume:
Keywords :
, 46.5-dB Range, High Linearity, , Power, Baseband
Abstract:
A new design of a fully-differential programable variable gain amplifier (PVGA) is proposed. The PVGA consists of just two stages, a transconductor followed by a transresistor, using only two high-gain opamps and inverters. The high-gain opamps afford good linearity and small gain-step error. Moreover, most critical signal nodes are low impedance current-mode points; leading to a wide bandwidth. The PVGA is designed and simulated in a 0.13 um CMOS process. The power consumption is 574 uW from a supply voltage of 1.2 V. The simulation results show accurate linear-in-dB gain variation with a large gain dynamic range between 0 dB and 46.5 dB with a gain step of 1.5 dB. The PVGA exhibits high linearity; the output 1-dB compression point is higher than 10.5 dBm.
Author Related Publications
Mohammed Farahat Abdelhamied Abdelrahman, "Only digital technology analog-to-digital converter circuit", IEEE 46th Midwest Symposium, 2003
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Mohammed Farahat Abdelhamied Abdelrahman, "New Type of High Sensitive Detection of Particles Based on DeFET", NSTI-Nanotech, 2008
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Mohammed Farahat Abdelhamied Abdelrahman, "Measuring the potential of zonal control in large open areas on reducing the heating/AC energy", IEEE, 2016
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Mohammed Farahat Abdelhamied Abdelrahman, "An Automated Design Algorithm-Simulated Annealing-Based for Design Analog Circuits", SERSC, 2020
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Mohammed Farahat Abdelhamied Abdelrahman, "Automated Design Technique for Constant-gm Rail-to-Rail for OTA Input Stage", IEEE, 2013
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Department Related Publications
Abdelhamied Abdelmoniem Mohamed Shalan, "Design and Analysis of Wiudeband Antenna with Application to Ground Penetrasting Radar System", لايوجد, 1900
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Abdelhamied Abdelmoniem Mohamed Shalan, "Multifilar- Curl Antenna", لايوجد, 1900
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Abdelhamied Abdelmoniem Mohamed Shalan, "Multiple Loading of Wire Scatterers for Multi-directin Zero Backscattering", لايوجد, 1900
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Abdelhamied Abdelmoniem Mohamed Shalan, "Study The Effects of Electromagnetic Band-Gap (EBG) Substrate on Two Patches Microstrip Antenna", لايوجد, 1900
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