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What is a demodulator?
A demodulator is an electronic circuit used to recover the original information-bearing signal from a modulated carrier wave and the process is called demodulation.
total search300 articles
2014-02-06 Implementing FSK modulation, demodulation
Learn about logic level implementation of binary FSK modulator and demodulator using a phase-locked loop device.
2000-06-14 Highly Integrated ASICs for CDMA Cellular/PCS Phones
This technical note discusses RF Micro Devices' strategy to simplify CDMA cellular transceiver design. This led to the development of the RF9957 CDMA/FM receive AGC/demodulator, the RF2667 CDMA/FM receive AGC/demodulator, and the RF9958 CDMA/FM transmit modulator/AGC/upconverter.
2010-03-31 HD cable converter box SoC supports China AVS
Broadcom offers a low-cost, HD digital cable converter box SoC solution featuring an integrated DVB-C tuner and QAM demodulator, and HD AVC support covering China AVS.
2010-06-17 Fresco enjoys explosive growth as hybrid TV booms
Fabless chip company Fresco Microchip Inc.'s lead product shipments have grown so quicklyliterally by the millionsin the short span of a few months.
2001-04-05 FM And FSK and BPSK demodulation using the Philips NE/SE564 phase-locked loop demoboards
This application note demonstrates how to use the NE564/SE564 demoboard set as an FM demodulator for wideband analog signals, a data receiver for high-speed FSK signals, and a simplified BPSK adaptation.
2009-06-03 DVB-T chip promises high quality at low power
From ITE Tech. Inc. comes the AT9058M, claimed to be the first DVB-T single chip enabling a high quality, ultralow power, and small footprint solution for DVB-T feature phone, PND and pocket TV applications.
2010-03-15 DTV chipset simplifies front-end designs
Microtune has launched a cost-effective DTV receiver chipset, which allow China TV manufacturers to deliver superior broadcast across TVs of any size, model or price point.
2000-12-06 Design of continuously variable slope delta modulation communication systems
This application note is intended to give practical guidance in designing an optimum delta modulation configuration for the most common voice applications using a Continuously Variable Slope Delta Modulator/Demodulator, the MC34115 or the MC3418, and provide some useful SNR performance information.
2012-06-15 Demodulators claim highest DVB-T2 perfromance
When combined with Silicon Labs' silicon TV tuners, the Si2168/69 demodulators enable a complete video front-end solution from RF to baseband.
2005-08-23 Demoduator enables mobile TV
Zarlink said its ZL10355 device offers the industry's smallest package, lowest power consumption and lowest software overhead, coupled with an extended temperature range uniquely suited for mobile DTV.
2007-09-07 DAB/DAB+/DMB chip rolls for mobile DTV reception
Maxscend Technologies has unveiled a DAB/DAB+/DMB demodulator, which can be used for mobile DTV reception in mobile phones, personal media players and vehicle entertainment systems.
2011-01-11 Connected HD , 3D solutions for DTVs, STBs, cams, printers
Zoran demonstrates exciting products and technologies for digital entertainment and digital imaging platforms, as well as HD multimedia processor platforms and silicon tuner and demodulator solutions.
2004-09-16 Conexant takes plunge for DVB-S2 wave
The company has announced CX24116, a chip that includes a demodulator and FEC unit, compliant with the DVB-S2 specification.
2007-03-08 Companies prep for China mobile TV standard
Although the China mobile TV standard remains undecided, this year's IIC-China saw a few chip products targeting mobile TV applications.
2007-12-18 Chips enable direct conversion cellular base stations
Analog Devices is extending its RF portfolio with what it claims as the industry's highest-performance broadband direct conversion radio solution.
2007-02-02 Chip enables portable CW Doppler ultrasound
ADI's quad programmable I&Q demodulator with phase shifter consumes 30 percent less power than competitive solutions, allowing medical instrument manufacturers to provide CW Doppler capabilities in portable and battery-powered equipment.
2010-11-09 CATV front-end chip offers dual tuners, demodulators
MaxLinear launches highly integrated cable TV front-end chip for DOCSIS and cable video gateways
2001-08-28 Building digital PSK and QAM demodulators using the GC2011 and GC3011 chips
This application note describes how to use the GC2011 digital filter, the GC3011 digital resampler and the GC3021 carrier removal chips to build high-performance digital demodulators for most BPSK, QPSK and QAM radio signals.
2005-02-21 Asuka rolls out two DTV modules
Asuka Semiconductor has developed a series of DTV (digital TV) related system modules based on DVB-T SoCs.
2001-08-09 Advanced W-CDMA channel card implementation with PLD
This conference technical paper discusses the functions and use of the W-CDMA channel card implementation with PLD.
2007-04-02 Adding mobile TV to handsets
The future of mobile TV is bright, and tuner and demodulator manufacturers with broadband experience are carefully developing the devices to ensure its success.
2006-11-13 Vimicro ponders on mobile TV chip
Vimicro Corp. intends to develop a demodulator for mobile TV, furthering its push into multimedia chips for mobile phones.
2012-08-29 Team-up aimed at DVB-T2 STBs
MaxLinear and Panasonic Semiconductor collaborated on front-end designs that use MaxLinear's MxL603 tuner and Panasonic Semiconductor's MN88472 demodulator IC.
2006-12-18 Single IC embeds DVB-H in handsets
Startup Newport Media Inc. rolled out a single chip for mobile TV that H packs a tuner, demodulator and the memory needed to support the DVB-H mobile-TV standard for cell phones in a 7-by-7mm package.
2007-02-28 SDARS MAX2140 XM radio tuner solution
The following note introduces the SDARS XM radio tuner solution using MAX2140, including basic RF to demodulator block, signal path from antenna to demodulator, features of the MAX2140 tuner and some critical RF specifications of an SDARS receiver.
2008-12-08 Make way for software-based mobile TV
Armed with a reconfigurable multi-standard tuner IC, Mirics Semiconductor, a U.K.-based startup, claims that it still remains the only company offering a software-based TV and radio demodulator.
2009-12-14 Integrated receiver chip minimizes DTV BOM
The miniature RF-to-baseband chip architecture combines tuner, demodulator, filters and amplifiers.
2003-07-31 Galaxis deploys Conexant solutions on latest TV converters
Galaxis Technologies AG has selected Conexant Systems Inc.'s CX22490 interactive STB decoder and CX22702 demodulator to be incorporated into its new Freeview digital TV receiver converter products.
2002-04-16 Fujitsu QPSK tuner IC replaces QPSK NIM modules
Positioned as a replacement for discrete QPSK NIM modules, the MB8A15 single-ship QPSK tuner integrates a ZIF tuner, QPSK demodulator, and forward error correction circuitry suitable for DVB-S and DSS transmissions.
2008-01-09 DVB-T chip rolls for portable DTV apps
Sunplus Technology Co. Ltd has launched the DVB-T SPHE1003 chip, which integrates front-end COFDM demodulator and backend MPEG decoder for DVB-T STB and portable DTV solution.
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