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2013-12-19 Startup boasts advanced digital modulation tech
Magnacom will use an FPGA board to deliver 10dB signaling advantage compared to QAM4096, the most powerful version of the quadrature amplitude modulation scheme widely used in communications today.
2004-12-15 Spectrum analyzer spans time, frequency, modulation domains simultaneously
Tektronix's new RSA3408A spectrum analyzer debuts at a time when RF systems are racing up the curve in complexity and scope.
2000-06-09 Optimization of Quadrature Modulator Performance
This application note presents a derivation showing the relationship among the four parameters for quadrature modulators, including carrier suppression, sideband suppression, amplitude error and phase error
2005-01-17 VDSL-2 chipsets bow for central office, CPE
Ikanos Communications rolled out VDSL-2 chipsets for central-office and customer-premises modems.
2002-05-08 Tips for minimizing troublesome problems with voltage regulator paralleling circuits
This application note discusses tips for minimizing troublesome problems through the use of voltage regulator paralleling circuits.
2002-06-11 Infineon, Metalink launch QAM-VDSL solutions
Infineon Technologies AG and Metalink Ltd have conducted interoperability demonstrations of their respective standard-based, 4-band QAM VDSL solutions at Supercomm 2002.
2005-08-15 Build a differential circuit for OC-18 clock- and data-recovery
The key is understanding the tradeoffs associated with the potential modulation schemes
2003-04-15 ADI demodulator eyes IF-to-baseband conversion
The company's broadband quadrature demodulator IC enables IF-to-baseband conversion from 50MHz to 1GHz
2003-07-08 Infineon QAM-VDSL solution supports ETSI standard
Infineon Technologies AG has announced that its Quadrature Amplitude Modulation VDSL chipset fully supports the newly revised ETSI VDSL standard.
2013-10-01 DOCSIS 3.1 deals cable operators with design challenges
The DOCSIS 3.1 cable data standard promises to meet this rapidly growing consumer demand with flexible bandwidth and modulation schemes, which will result in significant increases in throughput
2013-03-06 Benefits of digital RF modulators to CCAP
Know the concept and advantages of a digital quadrature amplitude modulation modulator that uses the direct-RF architecture to enable a cable access platform system.
2006-09-01 WiMAX card uses Wavesat, TI chips
Wavesat Inc. will collaborate with Texas Instruments Inc. on a card operating at the unlicensed frequency of 5.8GHz.
2013-03-25 WDM prototype offers capacity up to 40Tb/s/fibre
Huawei's 40T wavelength division multiplexing prototype supports simultaneous 2Tb/s transmission of 20 C-band optical channels geared to address the upcoming flood of digital traffic.
2010-04-20 STB IC fits entry-level cable zapping boxes
The STi5197L is designed for cable STBs and enables efficient development and fast time-to-market for OEMs developing basic zapper STB products.
2006-10-20 NEC files patent lawsuit vs. SIAE Microelettronica
NEC Corp. initiated a patent infringement litigation against SIAE Microelettronica S.p.A. in the Italian District Court of Milan.
2007-03-01 Maximize throughput in HSDPA networks via receive diversity
To realize HSDPA peak rates under actual radio conditions, cellular devices must utilize more advanced radio solutions.
2014-03-12 MAX-Fujitsu demo up to 800Gb/s optical networking speed
The trial showed that MAX can provide a 400Gb/s-capable networking infrastructure to the R&E community, as well as deliver even higher speeds on the existing installed base of equipment.
2004-02-26 Low-speed interfaces set out for PON
Salira Optical Network Systems has updated its Salira 2000 passive-optical system with support for STM-1/OC-3 and T1/E1 network interfaces.
2006-12-13 HDTV-on-a-chip promises simpler system
Broadcom Corp. announced a "television-on-a-chip" which it touts as the first digital HDTV silicon solution to support full 1,080-progressive display resolution.
2011-06-06 Front-end module integrates WiMAX, WiFi
Avago Technologies has started distributing samples of AFEM-S257, an RF front end module (FEM) that integrates WiMAX with WiFi and cellular technologies.
2011-05-06 Emcore launches 1550nm CATV transmitter platform
Emcore has released a new platform under its 1550nm CATV fiber optic transmitter product portfolio for extending traditional CATV systems, such as head-end consolidation and broadcast transport.
2011-09-22 Eliminating coexistence issues with integrated RF module
Find out how integrated RF modules can provide superior coexistence faster and more efficiently than discrete components.
2005-09-12 DS-UWB vs. 802.11n: What's the best connectivity option?
Systems that use wider bandwidths can have fundamentally different design approaches to provide wireless connectivity solutions that scale to even higher data rates and lower complexity implementations than 802.11 WLAN
2004-05-14 DMT gets the nod as next-gen VDSL spec
Discrete multitone technology has scored a major standards victory over an alternate line code scheme in the race to become the very high-speed DSL link.
2015-02-26 Chipsets quadruple spectral efficiency for microwave backhaul
Broadcom's BCM85650 flaunts integrated XPIC and LoS-MIMO functionalities while the BCM85820 uses advanced digital RF correction mechanisms such as ADPD functionary to attain high system gain.
2005-03-31 Chip pushes twisted-pair copper to 10Gbps
Vativ Technologies disclosed that it is now sampling its new transceiver to key prospects.
2006-06-28 China comes up with own DTV standard
China's terrestrial DTV standard is finally coming out, and it will cover fixed and mobile terminals, eventually serving half of the country's TV viewers.
2015-03-20 Boost medical apps efficiency through wireless links
Using FPRF devices, manufacturers can incorporate a cost-effective enhancement to their equipment that will differentiate them from their competitors and improve medical care.
2008-05-21 Baseband chipset runs multiple broadband nets
Wavesat's new multicore DSP architecture is capable of handling baseband processing for multiple broadband networks.
2005-08-22 Advancing the set-top box
Designers need to manage multiple specifications and integrate PVR, WLAN, cable modem, telephony and a host of other technologies in order to develop set-top boxes and residential gateways for worldwide markets.
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