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Vacuum Tubes

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DEFINITION: Also see cathode ray tube ( CRT ), the specialized kind of vacuum tube that is in most desktop display monitors.A vacuum tube (also called a VT,  electron tube or, in the UK, a valve ) is a device sometimes used to amplify electronic signals. In most applications, the vacuum tube is obsolete, having been replaced decades ago by the bipolar transistor and, more recently, by the field-effect transistor  … 
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Vacuum TubesWhite Papers (View All Report Types)
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5 PC Hardware Innovations that Pay Off for Business
sponsored by Dell, Inc. and Windows 8 Pro
WHITE PAPER: This whitepaper examines 5 PC hardware innovations that are actually paying off for the business that use them correctly.
Posted: 25 Feb 2014 | Published: 25 Feb 2014

Dell, Inc. and Windows 8 Pro

8 Features You Should Look for in a Reporting Mangement Package
sponsored by Prophix Software
WHITE PAPER: Explore the 8 features you should look for in a reporting management package.
Posted: 14 Aug 2014 | Published: 31 Dec 2012

Prophix Software

Accelerate Your Business: Performance Reporting Essentials
sponsored by Prophix Software
WHITE PAPER: Explore the 8 features you should look for in a reporting management package.
Posted: 03 Jun 2014 | Published: 31 Dec 2012

Prophix Software

Best Practices for successful IP Address Management (IPAM)
sponsored by Infoblox
WHITE PAPER: This white paper discusses several ways to develop a successful IPAM strategy.
Posted: 09 Jun 2014 | Published: 09 Jun 2014

Infoblox

Big Data at Work: Dispelling the Myths, Uncovering the Opportunities
sponsored by SAS
WHITE PAPER: In this white paper, Thomas Davenport separates fact from fiction when it comes to big data.
Posted: 10 Jul 2014 | Published: 03 Mar 2014

SAS

Bring Increased Agility & Availability to Business Applications
sponsored by NEC Corporation of America
WHITE PAPER: Read this informative white paper now to uncover the key features of a virtualization tool which will help you expand the benefits of virtualization to business applications such as SQL Server.
Posted: 01 May 2014 | Published: 31 Dec 2013

NEC Corporation of America

3D printing: bringing better products to market faster
sponsored by Stratasys Singapore Pte Ltd
WHITE PAPER: Discover how 3D printing can help your organization bring better products to market faster.
Posted: 28 Apr 2014 | Published: 28 Feb 2014

Stratasys Singapore Pte Ltd

A Bathwick Group white paper: A foundation for database simplification, consolidation and cost reduction
sponsored by IBM
WHITE PAPER: This white paper challenges several assumptions about scale-out architectures and explains how consolidation and virtualisation can help you regain control over your infrastructure.
Posted: 09 Nov 2011 | Published: 09 Nov 2011

IBM

A Shortcut Guide to Virtualization and Service Automation
sponsored by Hewlett-Packard Company
WHITE PAPER: This Shortcut Guide to Virtualization and IT Service Automation provides an insightful overview of virtualization and IT Service Management. It helps demystify virtualization and helps you determine if virtualization is right for your environment.
Posted: 10 Oct 2008 | Published: 10 Oct 2008

Hewlett-Packard Company

ADC-VX Whitepaper: The Agility of Virtual; The Predictability of Physical
sponsored by Radware
WHITE PAPER: Read our white paper, to learn how ADC-VX is an ideal solution for large enterprises, hosting and service providers as well as cloud providers that aspire to achieve significant cost savings by consolidating multiple dedicated ADC devices into a single, cost-effective consolidated ADC device.
Posted: 10 May 2011 | Published: 10 May 2011

Radware

Application Virtualization and Desktop Virtualization Are Better Together
sponsored by Citrix
WHITE PAPER: This document is designed to help Citrix XenApp customers understand how and when Citrix XenDesktop can be used with Citrix XenApp to deliver virtual desktops to further reduce application and desktop computing costs.
Posted: 05 Nov 2008 | Published: 05 Nov 2008

Citrix

Architecting a Better Network Storage Solution
sponsored by BlueArc Corp.
WHITE PAPER: BlueArc's Titan Architecture is a revolutionary step in file servers with its hardware-based file system. This paper explains the details of the architecture to better understand the unique hardware-accelerated design and the object based file system.
Posted: 10 Mar 2008 | Published: 01 Jan 2007

BlueArc Corp.

ASG's metaCMDB™ Master or "Citizen" CMDB Containing Critical Enterprise Configuration Information
sponsored by ASG Software Solutions
WHITE PAPER: The sound understanding and visibility of configuration information provided by ASG’s metaCMDB™ is critical for ITIL initiatives and business service management (BSM) implementations, service desk support, and the integration of disparate technologies. Read this paper to find out more.
Posted: 25 May 2010 | Published: 25 May 2010

ASG Software Solutions

Best Practices for a Successful Upgrade Project
sponsored by HCL Technologies Ltd.
WHITE PAPER: Upgrades help businesses to maintain a competitive edge in the market. Yet, upgrades pose their own set of challenges. This white paper lists the best practices that should be followed when upgrading to achieve maximum reliability.
Posted: 10 Jul 2008 | Published: 16 May 2008

HCL Technologies Ltd.

Best Practices for Implementing a Data Warehouse on Oracle Exadata Database Machine
sponsored by Oracle Corporation
WHITE PAPER: By using the Oracle Exadata Database Machine as a data warehouse platform you have a balanced, high performance hardware configuration. This paper focuses on the other two corner stones, data modeling and data loading, providing a set of best practices and examples for deploying a data warehouse on the Oracle Exadata Database Machine.
Posted: 25 Apr 2011 | Published: 30 Nov 2010

Oracle Corporation

Best Practices for Implementing a Data Warehouse on Oracle Exadata Database Machine
sponsored by Oracle Corporation
WHITE PAPER: By using the Oracle Exadata Database Machine as a data warehouse platform you have a balanced, high performance hardware configuration. This paper focuses on the other two corner stones, data modeling and data loading, providing a set of best practices and examples for deploying a data warehouse on the Oracle Exadata Database Machine.
Posted: 12 Mar 2012 | Published: 30 Sep 2010

Oracle Corporation

Best Practices for Power Equipment Startup
sponsored by Square D Critical Power Competency Center
WHITE PAPER: This paper describes the need for a systematized program for new power equipment startup and the best practices and pitfalls that exist with regards to power equipment startup.
Posted: 12 Feb 2009 | Published: 12 Feb 2009

Square D Critical Power Competency Center

Best Practices for Public Folders to SharePoint Migration
sponsored by Dell Software
WHITE PAPER: Public Folder Migrator enables you to perform migration of public folders' structure and contents into SharePoint Services and Portal Server sites.
Posted: 20 Mar 2008 | Published: 01 Jan 2006

Dell Software

Beyond HA: The Middleware Factor in Rapid Services Deployment in Next-Generation Networks
sponsored by Enea
WHITE PAPER: This white paper examines the evolution of adoption commercial-off-the-shelf (COTS) middleware, including the criteria for what makes adoption more viable for the telecommunications industry.
Posted: 15 Sep 2008 | Published: 15 Mar 2008

Enea

Beyond the Hypervisor: Optimizing Virtualization Management
sponsored by ASG Software Solutions
WHITE PAPER: Enterprise Management Associates believes that sophisticated, integrated, heterogeneous, virtual systems management is a critical business differentiator for enterprises as they deploy and expand their virtualization infrastructure. Read this paper for more information.
Posted: 27 Jan 2010 | Published: 27 Jan 2010

ASG Software Solutions

Beyond UTM -- The Value of a Purpose-built Network Security Platform
sponsored by Fortinet, Inc.
WHITE PAPER: It is only with a purpose-built network security platform -- as defined by this paper -- that organizations will be assured of maximum security effectiveness, minimum cost of ownership, and the greatest degree of.
Posted: 27 Dec 2007 | Published: 01 Aug 2007

Fortinet, Inc.

Big Is In: X86 Buying Trends
sponsored by IBM
WHITE PAPER: Read the Gabriel Consulting x86 Server Vendor Preference Survey to learn why IBM is positioned as the leader for greater than 4-socket computing.
Posted: 02 Oct 2008 | Published: 02 Oct 2008

IBM

Bringing Order to IT Chaos in Remote Offices
sponsored by Dell India
WHITE PAPER: Take a look at this exclusive resource to find out how this converged infrastructure hardware can help you enable business success.
Posted: 18 Feb 2014 | Published: 30 Jun 2013

Dell India

Budgeting for Your Next Hardware Investment: New Pricing and Payment Methods
sponsored by IBM
WHITE PAPER: This informative resource provides the necessary financial tools you'll need when you begin investing in your new IBM storage solution or IBM Power System server. Find out how financing can help your business.
Posted: 25 Oct 2013 | Published: 25 Oct 2013

IBM

Can Your Data Center Infrastructure Handle the Heat of High Density
sponsored by CyrusOne
WHITE PAPER: High density computing is today's standard in best-in-class performance and availability, and those that fail to keep pace or fall behind will find themselves no longer competitive in today's markets.
Posted: 11 Aug 2008 | Published: 01 Aug 2008

CyrusOne
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VACUUM TUBES DEFINITION (continued): …  . However, tubes are still used in some high-power amplifiers, especially at microwave radio frequencies and in some hi-fi audio systems.Tubes operate at higher voltages than transistors. A typical transistorized amplifier needs 6 to 12 volts to function; an equivalent tube type amplifier needs 200 to 400 volts. At the highest power levels, some tube circuits have power supplies delivering several kilovolts.Vacuum tubes are making a comeback among audiophiles who insist that tubes deliver better audio quality than transistors. These old-fashioned components are more electrically rugged than their … 
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