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sdr What is DDR memory? Search results

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What is DDR memory?
Double Data Rate is a type of memory IC used in computers. Memory or storage medium is a device that where data can be held. DDR SDRAM (synchronous dynamic random access memory) is a type of memory widely used in computers.
total search200 articles
2003-09-01 Wireless SDR: overcoming Onext gen handset challenges
Wireless handset manufacturers must deliver products that offer expanded services; while product designers are challenged to create extremely power-efficient broadband wireless devices.
2004-10-21 Tektronix joins Virginia Tech's SDR test bed development
Tektronix has joined the effort at the Mobile and Portable Radio Research Group (MPRG) at Virginia Tech to develop a Software Defined Radio test bed and open source SCA (software communications architecture) implementation.
2005-07-19 Techno Concepts woos Asia with SDR technology
Following up on a foray into China, U.S. software-defined-radio specialist company Techno Concepts Inc. is targeting one of Asia's most sophisticated wireless markets, South Korea.
2007-08-16 Take on CORBA for multiprocessor SDR
CORBA is the required middleware layer for SCA-based SDRs. Commercial CORBA ORBs are high-performance, small-footprint software products that provide the communications framework in single-processor and multiprocessor SDR systems.
2007-04-02 Speed up wireless dev't with SDR approach
Software-defined communications test and platforms form an approach that has the flexibility to help test engineers meet requirements today and in the future.
2014-02-07 Software defined radio (SDR) platforms support up to 6GHz
The platforms from Ettus Research combine two RF transceivers covering DC-6GHz with up to 120MHz bandwidth through modular daughter cards and a large user-programmable Kintex-7 FPGA.
2007-04-02 SFI-4.1 16-channel SDR interface with bus alignment
This application note describes an SFI-4.1 interface, a 16-channel, source-synchronous LVDS interface operating at single data rate (SDR). The transmitter (TX) requires 16 LVDS pairs for data and one LVDS pair for the forwarded clock. The transmitter operates at 4:1 serialization on each of the 16 data channels. The receiver (RX) also requires 16 LVDS pairs for data and one LVDS pair for the source-synchronous clock input. The receiver operates at 1:4 deserialization on each of the 16 data channels. The timing of the receiver is described in depth and characterized in hardware.
2006-02-01 SDR: Today's myth, tomorrow's reality?
Just a buzz word five years ago, the potential impact of SDR for wireless providers is now significant.
2005-02-01 SDR is not yet on call
The technology for SDRs has been around for years but it hasn't found yet its place in the wireless realm.
2006-12-18 SDR devt kit eases design of multiprotocol radios
With its new SDR development kit, TI said developers can easily design waveforms as well as create and test single or multiprotocol radios for applications in military, public safety, commercial, PMR and LMR communication systems.
2009-04-03 Satellite-terrestrial mobile platform is SDR-based
Infineon Technologies AG has announced that a multistandard mobile platform has been created based on Infineon-developed SDR technology. The SDR-enabled satellite-terrestrial handsets will operate with multiple cellular and satellite-based communications technologies.
2009-12-21 RF-to-digital converter brings SDR in cars
From Microtuner Inc. comes a RF-to-digital converter that harnesses advanced RF and digital silicon technologies to bring software-defined radio (SDR) to the global automotive industry.
2008-02-08 Reconfigurable analog baseband LSI tailored for SDR
NEC and NEC Electronics have announced the development of a reconfigurable analog baseband LSI for software defined radio.
2014-12-12 NI system design suite speeds up SDR prototyping
The LabVIEW Communications environment enables the entire design team to map an idea from algorithm to FPGA using a single high-level representation.
2007-03-01 New middleware takes SDR beyond military apps
middleware specialists are exploring new ways to optimize architectures for SDR operations.
2016-05-04 mm-wave SDR accelerates 5G development
The NI mm-wave Transceiver System is a full transceiver that can transmit and/or receive wide-bandwidth signals at up to 2GHz real-time bandwidth, covering the spectrum in the E-band, 71GHz to 76GHz.
2004-02-16 Keys to reconfigurable SDR system design
The article presents three techniques to make SDR systems reconfigurable and adapt to emerging standards.
2008-12-01 IMEC pushes SDR effort forward
A variety of advanced FEC technologies used in a range of wireless WAN and LAN can be handled by a chip introduced by IMEC as part of its effort to assemble a full suite of silicon for software-defined radio.
2008-02-14 IMEC debuts 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.
2012-02-01 Flight Focus, A*STAR team up on SDR-based comms system
Under the A*STAR Aerospace Program, Flight Focus and I2R will be developing a SDR-based cabin communications platform that will enable in-flight communications with different devices.
2002-04-08 Designing FPGA signal-processing datapaths for SDR
This article provides an overview of how several signal processing functions can be implemented in a field programmable gate array.
2013-04-03 Designing a universal SDR platform
Read about an open software defined radio platform for the development of multi-standard wireless communication devices.
2007-08-17 Data-converter advances enable SDR designs
Advances in DSP technologies have accelerated SDR�s development but, paradoxically, the catalyst that enables SDR is in the analog domain of high-speed data-converter technologies.
2012-01-04 Boost SDR performance
Here are some examples of how software for system simulation of RF end-to-end architecture design can be used to address the software defined radio design challenges.
2007-07-18 Architecture and component selection for SDR applications
This paper from Altera explores an optimized architecture for a typical SDR application, which can deliver an obsolescence-proof radio product.
2009-11-24 Addressing SDR design and measurement challenges
In contrast to traditional radio devices, SDRs provide an efficient and comparatively inexpensive way to enable multimode, multiband and/or multifunctional wireless devices that can be enhanced using software upgrades.
2002-06-28 644MHz SDR LVDS transmitter/receiver
This application note describes single data rate transmitter and receiver interfaces operating up to 644MHz, using 17 LVDS pairs, implemented in a Virtex-II FPGA.
2014-01-22 Wideband systems for RF signal monitoring
Find out how we can fulfil the requirement for equipment that can capture wideband signals, and can deal with the large amount of data created.
2005-05-20 Ultra-fast A/D board packs 2GHz silicon
Pentek continues to churn out DSP, SDR (software defined radio), and ultra-high-speed data acquisition boards and systems at a prodigious rate
2005-10-03 SRAMs redefine datacom, handset memory landscape
To sustain longer battery life, SRAMs need to provide the performance necessary to achieve higher bandwidth and low power
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