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T-1 and T-3 Circuits Provide LAN to WAN Interconnection
White Papers These are digital time-division-multiplexing (TDM) schemes, developed many years ago by AT&T to increase the voice channel capacity of circuits within their central offices. Local area networks (LANs) are getting larger, faster and more complex.
[November 3, 2003, 2:28]
Development of a Single-Chip RF Front-End LSI for Wireless LAN With Transmission Line Based Matching Circuits
White Papers In order to reduce the chip size, on-chip CPW lines has been employed to realize on-chip impedance matching circuits which saves 30-40% chip area than those using the spiral inductors. In Direct Conversion Receiver (DCR) architecture, the design of...
[December 6, 2007, 0:01]
LightPointe Case Study: Speedy Circuits
White Papers Located in the heart of Huntington Beach, CA, Speedy Circuits is the leading manufacturer of technically demanding printed circuit boards; flex circuits, rigid-flex circuits, Multi-Chip Modules (MCM-L), metal core boards and RF/microwave boards in...
[June 22, 2009, 1:20]
'Tennis-shoe glue' sticks circuits to chips
News IBM is tinkering with a new material that could drastically slash the costs of "drawing" circuits on semiconductors, with the substance a close relative to tennis shoe glue. The resulting hexagonal pattern then serves as a stencil for mapping out...
[December 8, 2003, 7:55]
Toward in vivo Digital Circuits
White Papers This white paper tries to propose a mapping from digital logic circuits into genetic regulatory networks with the following property: the chemical activity of such a genetic network implements the computation specified by the corresponding digital...
[September 2, 2003, 7:45]
YP DC Circuits
Downloads With YP DC Circuits you can build a virtual electric circuit including batteries, resistors and switches, and take measures on this circuit with an ammeter and a voltmeter. The circuit can be copied, printed or saved as a PICT file.
[October 8, 2001, 8:00]
Motorola mixes up chip chemistry for faster circuits
News Until now, GaAs circuits could only be produced by expensive, non-standard processes. The circuits made by the new method will be particularly interesting to the optoelectronic and wireless data industries, two areas where future growth is...
[September 4, 2001, 9:09]
Design Consideration for System-In-a-Package With Embedded Passive Circuits
White Papers Passive components are essential in microwave integrated circuits design. Recent advances in integration technology and device performance paved the way for higher level of System integration On Chip (SOC) or In Package (SIP).
[December 10, 2006, 2:51]
Raymond James Enhances Client Service With Sprint Virtual Ring-Down Circuits
White Papers Sprint offers "virtual" ring-down circuits as opposed to the hardwired point-to-point circuits that were the only option in days gone by. With more than 75 Sprint ring-down circuits in place, Raymond James is saving an impressive $1 million a year...
[October 25, 2004, 0:00]
Overcurrent Protection in Low Voltage Electrical Circuits
White Papers This uncontrolled flow of electrical energy is generally the result of such misapplication, misuse or accident and manifests itself in the form of electrical fault currents either in intended or unintended electrical circuits or paths.
[February 5, 2004, 23:55]
TCP Switching: Exposing Circuits to IP
White Papers There has been much discussion about the best way to combine the benefits of new optical circuit switching technology with the established packet switched Internet. This paper explores how electronic and/or optical circuit switching might be...
[December 12, 2003, 0:15]
LSI Chooses the Intel Xeon Processor 7300 Series to Help Engineers Speed New, More Complex Integrated Circuits to the Marketplace
White Papers As LSI engineers packed more functionality into chips and designs grew more complex, EDA processing was taking longer to complete. At the same time, LSI faced competitive pressures to keep new product turnaround as rapid as possible.
[January 1, 2009, 0:00]
HP nanotech takes chips beyond transistors
News With a recent breakthrough in making circuits with molecules, HP hopes to change chip history and expand its own role in the process. Researchers from the South Korea, Japan and the United States -- including IBM and Intel -- will next week publish...
[February 1, 2005, 8:25]
Using XchangePoint Switched Ethernet Services for SDH/SONET Circuit Protection
White Papers SDH circuits, particularly at capacities of 155Mb/s (STM-1) or higher, are often a preferred means of implementing private interconnect circuits between large ISPs to address mission-critical and/or high-volume peering requirements.
[October 21, 2004, 0:00]
Circuit Defenders Lite
Downloads Circuit Defenders is a fast paced Tower Defense game where your challenge is to defend computer circuits from attacking virus armies that are infiltrating the circuits via the communications port.Note: The "Download Now" link directs you to the...
[March 17, 2009, 3:08]
Inverse Multiplexing over ATM
White Papers Several forms of bonding or 'gluing' physical circuits together to increase bandwidth exist. The Frame Relay Forum has two standards for bonding Frame Relay circuits together, FRF.15 and FRF.16. Currently, MOREnet bonds 2 or more T-1s by using the...
[June 24, 2009, 11:19]
Multi-T1 Frame Relay and the MOREnet Network
White Papers Recent Frame Relay Forum specifications allow the "binding" of multiple circuits into a single logical circuit. In the MOREnet network environment, this would allow customers with multiple T1 frame relay circuits to get the consistent bandwidth and...
[June 24, 2009, 11:19]
Chipmakers' directory to combat counterfeiting
News Chip firms have warned that counterfeit components, such as integrated circuits, can reduce systems' performance and reliability and, in some cases, endanger lives. So far, some 360,000 counterfeit integrated circuits have been seized by US and...
[April 25, 2008, 11:05]
Inventor of the integrated circuit dies at 81
News Jack Kilby, whose work on integrated circuits in the 1950s ushered in the digital era, died Monday after a battle with cancer. Prior to integrated circuits, engineers had to solder several parts together.
[June 22, 2005, 9:15]
The Interworking of Voiceband Fax and Data Modems with Network Echo Cancellers
White Papers The Public Switched Telephone Network (PSTN) uses both 4-wire circuits and 2-wire circuits to carry full duplex voice circuits. The 2-wire circuits tend to be used in the local loop portion of the network, which is the connection between the end...
[December 5, 2003, 23:40]
