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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 In most applications, the vacuum tube is obsolete, having been replaced decades ago by the bipolar transistor and, more recently, by the field-effect transistor  … 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 Tubes White Papers (View All Report Types)
101 - 125 of 155 Matches Previous Page  |  Next Page
Overcome Your Data Center Storage Challenges
sponsored by Dell, Inc. and SanDisk®
WHITE PAPER: In this white paper, discover a software and hardware solutions that balance reliability, availability, and data protection of storage in the data center to suit end-users unique needs. Find out how these solutions work efficiently and seamlessly with your existing infrastructure to help maximize you IT investments.
Posted: 21 Jan 2015 | Published: 31 Dec 2013

Dell, Inc. and SanDisk®

PBBAs Tap into Key Data Protection Trends to Drive Strong Market Growth
sponsored by Symantec Corporation
WHITE PAPER: View this white paper to get a good look at the PBBA market, the drivers of market development, and the key benefits these appliances offer enterprises.
Posted: 17 Jun 2015 | Published: 01 Oct 2014

Symantec Corporation

Performance, Reliability and Flexibility of Windows 7 in a Thin Client
sponsored by Dell, Inc. and Intel®
WHITE PAPER: This whitepaper takes a look at a series of desktop virtualization hardware solutions with dual and quad core options to suit your unique budget, application, and performance needs
Posted: 11 Nov 2014 | Published: 11 Nov 2014

Dell, Inc. and Intel®

Side By Side Comparison: SSD Architectures
sponsored by Solidfire
WHITE PAPER: Many companies are looking to upgrade to flash storage. However, there are a vast amount of flash storage arrays on the market. How can you choose the one that's right for you?Access this white paper for a side by side comparison of two all-flash arrays to help you decide on an array that's right for your business.
Posted: 07 Apr 2015 | Published: 30 Jun 2014

Solidfire

NAC: Bridging the Network Security Gap
sponsored by Sophos, Inc.
WHITE PAPER: IT managers are aware of threats to their networks, and have spent heavily on solutions to protect the corporate environment. This paper examines technology and initiatives designed to capitalize on existing investments and prevent any gaps in security.
Posted: 18 Feb 2008 | Published: 01 Apr 2007

Sophos, Inc.

NetBackup Disk Based Data Protection Options
sponsored by Symantec Corporation
WHITE PAPER: This paper explains the disk options and their capabilities as well as the other new features in NetBackup 6.5 that make up the Enterprise Disk Foundation, also it provides guidance in choosing the appropriate disk options for your environment.
Posted: 03 Jun 2008 | Published: 01 Oct 2007

Symantec Corporation

Oracle Database 11g: Real Application Testing & Manageability Overview
sponsored by Oracle Corporation
WHITE PAPER: Read this white paper to learn how the new Real Application Testing capabilities in the Oracle Database 11g allows database administrators to adapt to changes easily, lower their testing costs and reduce hardware and software investments.
Posted: 14 Oct 2008 | Published: 14 Oct 2008

Oracle Corporation

Oracle Enterprise Manager 12C
sponsored by Oracle Corporation
WHITE PAPER: Companies must adapt their management practices to provide proper control over resources in the cloud. This white paper showcases a management tool designed with these types of environments in mind and discusses its key features and benefits.
Posted: 05 Jul 2012 | Published: 01 Sep 2011

Oracle Corporation

Oracle Exalogic Elastic Cloud: A Brief Introduction
sponsored by Oracle Corporation
WHITE PAPER: A steady pattern of innovation, expansion, and acquisition can quickly result in a sprawling infrastructure that is difficult to manage. This white paper explores tools and practices that have emerged to address this issue and recommends actions you can take to lay the foundation for the cloud.
Posted: 12 Oct 2011 | Published: 01 Mar 2011

Oracle Corporation

Oracle Exalogic Elastic Cloud: System Overview
sponsored by Oracle Corporation
WHITE PAPER: Read this white paper to learn about Oracle Exalogic Elastic Cloud, an Engineered System consisting of software, firmware, and hardware designed to meet the highest standards of reliability, serviceability and performance.
Posted: 09 Apr 2012 | Published: 15 Sep 2011

Oracle Corporation

Oracle RAC Performance Quadruples on HP Cluster with Dolphin Express
sponsored by Dolphin Interconnect Solutions
WHITE PAPER: This paper discusses the advantages of using SuperSockets with Dolphin Express to build scalable, high performance and highly cost-effective Oracle RAC clusters with industry standard servers and Dolphin components.
Posted: 19 Aug 2008 | Published: 19 Aug 2008

Dolphin Interconnect Solutions

Oracle TimesTen In-Memory Database on Oracle Exalogic Elastic Cloud
sponsored by Oracle Corporation
WHITE PAPER: This white paper outlines a memory-optimized relational database that provides detailed visibility into the performance of your critical applications. Learn more about this platform and its key features and installation steps here.
Posted: 06 Jul 2012 | Published: 01 Jun 2011

Oracle Corporation

Oracle x86 Rack Servers Optimized for Rapid Deployments and Operational Efficiency
sponsored by Oracle Corporation
WHITE PAPER: This white paper reveals key factors to consider when selecting a server and explains why more and more organizations are relying on x86 platforms. Access key findings from your peers concerning their spending on servers, power and cooling expenses, and more.
Posted: 07 Oct 2011 | Published: 01 Feb 2011

Oracle Corporation

PACs for Industrial Control, the Future of Control
sponsored by National Instruments
WHITE PAPER: This white paper explores the origins of the Programmable Automation Controllers (PAC), how PACs differ from Programmable Logic Controllers (PLC) and PCs, and the future direction of industrial control with PACs.
Posted: 16 Sep 2008 | Published: 16 Sep 2008

National Instruments

PC-Disable Delivers Intelligent Client-Side Protection for Lost or Stolen Notebooks
sponsored by Absolute Software
WHITE PAPER: Read this white paper to learn how new hardware-based technology, could help reduce the incidence of notebook theft. The result can be better protection of assets and sensitive data on notebooks, rapid reactivation when systems are returned, and reduced business risk.
Posted: 14 Dec 2009 | Published: 14 Dec 2009

Absolute Software

Plan for Success when Migrating from GroupWise to Office 365
sponsored by Dell Software
WHITE PAPER: Take a look at this exclusive white paper to find out how you can utilize key factors of migration from GroupWise to Office 365, to propel yourself through a successful transition process.
Posted: 21 Feb 2014 | Published: 31 Dec 2013

Dell Software

PowerEdge M1000e Blade Chassis
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Check out this concise white paper to find out the key features of this blade chassis that will help you construct your IT infrastructure, as well as a complete list of its technical specifications.
Posted: 19 Feb 2014 | Published: 31 Dec 2013

Dell, Inc. and Intel®

Quickly access patient data with enhanced security
sponsored by Hewlett-Packard Company
WHITE PAPER: This whitepaper gives an overview of the HP mt40, a thin client tailored for business-needs and promises high reliability, low ownership costs, PC-like performance, faster processing power, and flexible battery options. Read on to learn more about the HP mt40, including features, specifications, support services and more.
Posted: 22 Jul 2013 | Published: 22 Jul 2013

Hewlett-Packard Company

Real-time Compression Results In Storage Efficiency
sponsored by IBM
WHITE PAPER: Access this white paper to learn about a storage system that uses real-time compression and SSD technology to boost storage performance. Read on to learn more about how the benefits of this storage system provide a strong ROI, and how your organization could cut costs.
Posted: 01 Apr 2015 | Published: 30 Apr 2014

IBM

Reduce data center complexity when you 'go virtual'
sponsored by HP and Intel®
WHITE PAPER: Access this exclusive, in-depth resource to find out how HP's latest solution for virtual environments can benefit your organization.
Posted: 04 Mar 2014 | Published: 31 Dec 2013

HP and Intel®

Reduce Federal Infrastructure Risk with Compliance Management and Situational Awareness
sponsored by IBM
WHITE PAPER: This white paper features holistic information and network security tools that help federal agencies meet strict compliance mandates.
Posted: 12 May 2014 | Published: 31 Jan 2014

IBM

Reducing Server Total Cost of Ownership with VMware Virtualization Software
sponsored by VMware, Inc.
WHITE PAPER: Technology purchases are often quantified simply by hardware and software costs. But there's more to it. This TCO study takes a holistic view.
Posted: 13 Nov 2008 | Published: 13 Nov 2008

VMware, Inc.

Remote Office Infrastructure – A Microsoft Hyper-V Server 2012 Reference Architecture on Dell PowerEdge VRTX
sponsored by Dell India
WHITE PAPER: Access this in-depth resource to find out how this converged hardware solution can help you design your branch office IT environment.
Posted: 18 Feb 2014 | Published: 30 Jun 2013

Dell India

ROI report: The value of unified IT service and client management
sponsored by FrontRange Solutions Inc.
WHITE PAPER: The key to achieving strong IT service and client management platform is a single, unified system, containing all of the information for all of an organization's IT services and its hardware and software inventories, and providing a single solution via which to address incidents and deploy software packages to their end-users.
Posted: 02 Jul 2013 | Published: 02 Jul 2013

FrontRange Solutions Inc.

Running SAP NetWeaver on the Oracle Exalogic Elastic Cloud: An Architectural Overview
sponsored by Oracle Corporation
WHITE PAPER: This white paper underscores the importance of a cohesive SAP infrastructure. Explore a recommended architecture and the process involved in implementing it.
Posted: 02 Aug 2012 | Published: 01 Sep 2011

Oracle Corporation
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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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