<p>•Idle system power-draw</p>

The biggest challenge that needs to be addressed with SIP/IMS-based architectures is supporting seamless handoff between the femtocell and the macro-cellular network. As the mobile CN is completely bypassed, there is the need for a Voice-Call-Continuity (VCC)-like application to support handoff functions. This architecture has the strongest appeal to carriers who have a strong IMS core and have both fixed and wireless assets. Carriers who are deploying FTTx (fiber to the home/curb/etc.) for delivering IPTV services can leverage this architecture to deliver triple-screen play” services by efficiently place-shifting content across the TV, PC, and mobile handset via the femtocell.

Nomadik adds application platform for Linux-based devices STMicroelectronics expanded its Nomadik multimedia application processor ecosystem with the integration of Linux and Trolltech's Qtopia application environment in the STn8815 Nomadik engine.

Applications processor enhances content viewing on mobile devices Texas Instruments has introduced a new OMAP 3 chip that changes the way consumers view and share content on their mobile handsets, by bringing HD camcorder functionality and full-page web browsing to mobile devices.

RT1206BRC07300KL_Datasheet PDF

Infineon brings advanced mobile features to low-cost handsets In an effort to bring advanced mobile phone features such as camera, mobile Internet and audio-entertainment to low-cost markets, Infineon has developed the X-GOLD113 and X-GOLD213, its third generation of single chips manufactured using 65-nm process technology.

Freescale opens MXC mobiles to Linux Freescale Semiconductor has started supporting Linux on its cellular products and is demonstrating the capabilities of its cellular platform using the open source operating system at the Mobile World Congress in Barcelona, Spain.

IMEC fields mobile SDR baseband processor platform A chip-level baseband platform capable of supporting 802.11n, 802.16e, mobile TV and 3GPP-LTE communication standards has been taped out by IMEC. Despite the chip's speed, a patented power management approach means the SoC consumes only a few milliwatts in standby mode.

RT1206BRC07300KL_Datasheet PDF

From time to time I receive emails inquiring about tools availability and comparison or about where to find a tool for a specific task.

Gary Smith, Founder and Principal Analyst at Gary Smith EDA, has for many years published a chart that groups all EDA vendors according to the application market segment they serve. He has graciously agreed to allow us to publish the charts.There is a total of three charts: one for ESL and SDA applications, one for CAE applications, and one for CAD-CAM applications.

RT1206BRC07300KL_Datasheet PDF

The IC Design Tools can be found in either the CAE chart or the CAD-CAM chart depending on whether you are interested in logical or physical design issues.

For your convenience you can find all three charts from this article, but corresponding articles will also be published in the PCB Design, ESL Design, and the Analog/Mixed-Signal Design sections of the Design Center.

At the other end of the spectrum are the vendor's main User Guides, but these can number hundreds or thousands of pages and are presented in such excruciating detail as to bring even the strongest amongst us to our knees.

If only there were something in between . . . Which brings us to this article, which is a

User-Guide Lite for the Xilinx Virtex-5 family of FPGAs.

In fact I think that this is an incredibly good idea. I would love to see the same treatment for all of the major FPGA and CPLD families from all of the vendors. My message is:

If you write them, they will come. . .” So, over the course of time, I hope to build a little library” of these guides . . . watch this space!

FXS to FXS Let's start with a simple FXS to FXS connection. Analog phone A is connected to FXS port A via a 2-wire interface. The FXS port converts to a four-wire interface and connects with the Asterisk software via a digital link. The Asterisk software connects back to FXS port B, which converts the digital signal back to analog. FXS port B connects to analog phone B via a 2-wire interface.

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