Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Nanotransistors Improve Quality of Operational Amplifiers

Abstract:
Iranian researchers at Ferdowsi University of Mashhad proposed principles of optimal design of operational amplifiers (op-amps) by applying nanotransistors.

Nanotransistors Improve Quality of Operational Amplifiers

Iran | Posted on December 22nd, 2009

Hamidreza R. Dehsorkh has worked in this field of science, managing to figure out some optimal conditions for designing nanotransistor-based novel op-amps.

"Operational amplifiers are popular devices widely used in analogue electronics. In most cases, a precise model of its settling behavior is needed to optimize an op-amp," he said in an interview with the news service of Iran Nanotechnology Initiative Council (INIC).

"Since folded cascode circuit is commonly used in amplifier applications, our calculations are based on it. For a step input, current relations in op-amp junctions were derived and velocity-saturation model for MOS transistors was applied," Dehsorkh emphasized.

He solved the set of differential equations and obtained a relation for nonlinear settling of the nano-scale amplifier (assuming that the amplifier is bipolar and oscillation damping exists in case of linear settling). Finally, by applying boundary conditions and their consistency, a general relation for settling was postulated.

"In addition to the analysis of the settling behavior, we managed to present a correlation for settling (including both linear and nonlinear) of the mentioned op-amps," the Iranian researcher added

"Optimizing analogue to digital converters with respect to their power consumption is highly valuable particularly in telecommunication industries. It would lengthen battery life and reduce costs and device volume and weight", Dehsorkh mentioned.

####

For more information, please click here

Copyright © FARS

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Oxford Instruments systems now facilitate water purification technology September 27th, 2016

Dr Barbara Armbruster promoted to Worldwide Sales and Marketing Director for XEI Scientific September 27th, 2016

Fighting cancer with sticky nanoparticles September 27th, 2016

Gold nanoparticles conjugated quercetin inhibits epithelial-mesenchymal transition, angiogenesis and invasiveness via EGFR/VEGFR-2 mediated pathway in breast cancer September 27th, 2016

Nanoelectronics

Mexican scientist in the Netherlands seeks to achieve data transmission ... speed of light September 20th, 2016

GLOBALFOUNDRIES to Deliver Industry’s Leading-Performance Offering of 7nm FinFET Technology: Company extends its leading-edge roadmap for products demanding the ultimate processing power September 15th, 2016

Semiconducting inorganic double helix: New flexible semiconductor for electronics, solar technology and photo catalysis September 15th, 2016

A versatile method to pattern functionalized nanowires: A team of researchers from Hokkaido University has developed a versatile method to pattern the structure of 'nanowires,' providing a new tool for the development of novel nanodevices September 9th, 2016

Announcements

Oxford Instruments systems now facilitate water purification technology September 27th, 2016

Dr Barbara Armbruster promoted to Worldwide Sales and Marketing Director for XEI Scientific September 27th, 2016

Fighting cancer with sticky nanoparticles September 27th, 2016

Gold nanoparticles conjugated quercetin inhibits epithelial-mesenchymal transition, angiogenesis and invasiveness via EGFR/VEGFR-2 mediated pathway in breast cancer September 27th, 2016

Battery Technology/Capacitors/Generators/Piezoelectrics/Thermoelectrics/Energy storage

Semiconducting inorganic double helix: New flexible semiconductor for electronics, solar technology and photo catalysis September 15th, 2016

Researchers design solids that control heat with spinning superatoms: Carnegie Mellon University and Columbia University collaborators discover the cause of vastly different thermal conductivities in superatomic structural analogues September 8th, 2016

Fish 'biowaste' converted to piezoelectric energy harvesters: Jadavpur University researchers in India devised a way to recycle fish byproducts into an energy harvester for self-powered electronics September 8th, 2016

Imperial College use Kleindiek micromanipulators in their research into electrochemical energy devices September 6th, 2016

NanoNews-Digest
The latest news from around the world, FREE




  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







Car Brands
Buy website traffic