Communications

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RMS power detector measures signals with highly varying crest factors up to 6 GHz

RMS power detector measures signals with highly varying crest factors up to 6 GHz
Analog Devices has introduced the AD8363 TruPwr root-mean-square (RMS) power detector that precisely measures signals with highly varying crest factors up to 6 GHz used in WiMAX/802.16, WCDMA, TD-SCDMA, and LTE applications. The AD8363 supports the communications industry’s focus on increasing efficiency and improving ease-of-use to reduce the overall system size and cost. The AD8363 targets high performance RF applications including power amplifier (PA) linearization/control loops, transmitter power control, transmitter signal strength indication (TSSI) and RF instrumentation. Accurate control of PA output power significantly reduces cost and improves efficiency. TruPwr ICs are ADI’s award winning portfolio of patented RMS detectors. ADI offers one of the most extensive RMS portfolios in the market.
11th February 2008

RS-485/RS-422 transceiver claims best-in-class ESD protection

RS-485/RS-422 transceiver claims best-in-class ESD protection
Intersil has introduced an RS-485/RS-422 transceiver, a next-generation interface IC that combines what is said to be the industry’s fastest data transmission rate (100Mbps) with a low 2.6mA supply current and rugged 15kV IEC61000-4-2 ESD (electro-static discharge) protection.
19th December 2007

GaAs MMIC receivers from Link Microtek cover microwave radio bands from 7 to 28GHz

GaAs MMIC receivers from Link Microtek  cover microwave radio bands from 7 to 28GHz
New from microwave and RF component specialist Link Microtek is a family of nine GaAs MMIC receiver products that integrate LNAs, I/Q mixers and multipliers or LO amplifiers to provide compact solutions with a very high level of performance. Manufactured by Hittite Microwave Corporation, the receivers cover the microwave radio bands from 7 to 28GHz and are suitable for a variety of commercial and military satcom applications.
30th October 2007


New RF Synthesizer with Integrated VCOs from STMicroelectronics Stretches Out to 5GHz

New RF Synthesizer with Integrated VCOs from STMicroelectronics Stretches Out to 5GHz
STMicroelectronics today unveiled its new RF synthesizer with integrated voltage-controlled oscillators (VCOs) with the highest frequency coverage in the market. ST’s STW81103 is the first single-chip device that operates up to 5GHz, meeting the increasing demand of equipment manufacturers for space and cost-efficient solutions in radio applications with frequencies in the microwave range. Among the applications in which these devices may find application are wireless network infrastructures, CATV systems, instrumentation, and test equipment.
10th September 2007

40Mbps transceivers feature widest temperature range

40Mbps transceivers feature widest temperature range
Intersil has introduced the ISL3159E and ISL3179E RS-485/RS-422 transceivers. These next-generation interface ICs combine 40Mbps transmission performance over the industry’s widest temperature range (-40C to +125C) along with 15kV IEC61000 ESD protection and a DFN package option that is up to 70% smaller than standard 8-lead SOIC offerings.
20th August 2007

CML Launches Low Cost, Low Bit-Rate RALCWI Vocoder IC

CML Launches Low Cost, Low Bit-Rate RALCWI Vocoder IC
CML Microcircuits today announced the introduction of a new RALCWI (Robust Advanced Low Complexity Waveform Interpolation) vocoder IC. The product is the result of a co-operation between CML Microcircuits and SPIRIT DSP. The new CML IC is named as the CMX618, which CML will market to worldwide communication markets based upon SPIRIT’s proprietary Low Bit-Rate Vocoder technology. The co-operation combines CML’s 39-year history of developing mixed-signal semiconductors for professional and leisure communication applications, with SPIRIT’s extensive experience in embedded voice products.
8th August 2007

Low-cost WLED drivers help handset manufactures address latest entry level markets

Low-cost WLED drivers help handset manufactures address latest entry level markets
A huge potential market of untapped cell phone users in regions like India, China, Russia, South America and Africa want cell phone service, but can only afford very basic, entry-level, reduced-feature-set phones. With AnalogicTech’s AAT3193, designers building cell phones for these new markets can provide basic illumination for low-cost TFT-LCD panels in an extremely small footprint while requiring just two external components; a 1µF capacitor for the charge pump and a single external resistor to set the full-scale LED current.
25th July 2007

Gigabit fibre access gateway solutions

Gigabit fibre access gateway solutions
PMC-Sierra has announced the availability of two fibre access gateway solutions - the MSP7150 EPON/GPON gateway SoC for Fibre To The Home (FTTH) and the MSP7140 VDSL2 gateway SoC for Fibre To The Node (FTTN). These SoCs deliver gigabit-per-second line-rate IPV4/V6 routing, Network Address Translation (NAT), Quality of Service (QoS), encryption and a multi-channel VoIP terminal adaptor, and consume less than 1.5W of power. PMC-Sierra’s fibre access gateway solutions provide OEMs and ODMs with a common platform architecture to support multiple high-speed access technologies in various geographic markets. In addition, service providers can rely on equipment based on PMC-Sierra’s multi-service platform to deliver carrier-grade IP services into the digital home.
21st June 2007

10 GbE LRM X2 Optical Transceivers

10 GbE LRM X2 Optical Transceivers
Avago Technologies has announced a new family of 10 GbE LRM transceivers incorporating electronic dispersion compensation (EDC). The new product family includes X2, XENPAK and XFP. The company is a leading supplier of analog interface components for communications, industrial and consumer applications. Avago's new HFBR-707X2DEM X2 module reliably delivers 10G data rates in enterprise networking environments using multimode fibre.
21st June 2007

VDSL2 line driver in 4mm x 5mm QFN package is a first says Intersil

VDSL2 line driver in 4mm x 5mm QFN package is a first says Intersil
Intersil has introduced the ISL1539, the latest addition to its family of line drivers featuring low power, very small footprint and extremely good linearity. The ISL1539 is the first monolithic, dual port, DSL line driver for 100 Mbps VDSL2 Central Office (CO) applications. The ISL1539 uses proprietary circuitry to achieve low distortion, high capacitance drive and less than 910mW/port total power consumption while delivering 20.5dBm output power in 5-band VDSL2 applications. The driver uses Intersil’s own new high-speed bipolar process technology to extend the performance of ADSL2, ADSL2+ and VDSL2 bandwidth high voltage line drivers.
20th June 2007


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