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What is a baseband processor?
In signal processing, baseband describes signals and systems whose range of frequencies is measured from zero to a maximum bandwidth or highest signal frequency. It is sometimes used as a noun for a band of frequencies starting at zero.
In telecommunications, it is the frequency range occupied by a message signal prior to modulation.
It can be considered as a synonym to low-pass.
Baseband is also sometimes used as a general term for part of the physical components of a wireless communications product. Typically, it includes the control circuitry (microprocessor), the power supply, and amplifiers.
A baseband processor is an IC that is mainly used in a mobile phone to process communication functions.
total search1771 articles
2006-11-07 New solutions make inroads for China's TD-SCDMA
Although the future of China's domestic 3G standard is still uncertain, a few more roadblocks have been cast aside with the release of a Chinese single-chip transceiver IC and the introduction of a TD-SCDMA field tester.
2013-04-30 New Broadcom, Samsung ICs debut via Galaxy S4
Samsung's new eight-core processor, the Exynos Octa 5410, along with Broadcom's wireless and NFC chips make their first appearance in the latest Galaxy S.
2004-06-21 National, RTX Telecom team up on cordless voice module
With RTX Telecom, National developed a cordless voice module that integrates a radio transceiver and baseband with a complete protocol stack on a single board.
2005-05-20 National to sell cordless business unit
National Semiconductor Corp. has signed a definitive agreement to sell the company's cordless business unit to HgCapital, a private equity investor based in London.
2003-02-27 National to pursue strategic actions aimed at profitability
National Semiconductor Corp. has announced a series of strategic profit-improvement actions that are designed to accelerate the company's return on investments and streamline its cost structure.
2002-09-19 National Semiconductor licenses MoSys memory technology
National Semiconductor has licensed MoSys Inc.'s 1T-SRAM embedded memory technology to enable the incorporation of National's memory blocks into their future cellular baseband SoCs.
2003-02-21 National Semi offers "complete" GSM, GPRS engine
The LMX388 GSM/GPRS module from National Semiconductor Corp. is positioned as a "complete" GSM/GPRS engine for handset manufacturers.
2005-06-29 National Semi completes cordless business sale
National Semiconductor Corp. has closed the sale of its cordless business unit to HgCapital, a private equity investor based in London, U.K.
2010-04-29 Multicores still not fit for wireless base stations
Multicore processors should be well-suited for wireless base stations, but so far both the chips and their tools fall short of meeting engineer's needs.
2004-11-16 Multichannel basebands meet challenge of cognitive radio
To ensure ongoing channel and radio sensing, two methods can be done: use a wideband receiver or multichannel baseband.
2002-12-04 Motorola, SiRF to co-develop "location-aware" chips
SiRF Technology Inc. will integrate its SiRFstarII GPS core technology into Motorola's wireless baseband and applications processors to location-enable a line of the latter's SPS chipsets for mobile devices.
2009-05-08 Motorola paints GSM phone 'green'
The green revolution has been waiting patiently for the mobile handset industry to catch up. With the W233 Renew, Motorola attempts to oblige with a carbon-neutral, mostly recyclable entry-level GSM offering.
2007-08-02 Module adds WiMAX to mobile devices
The WiMAX9xxx chip-scale module from SyChip enables the addition of WiMax functionality to devices such as handsets, ultramobile PCs, personal media players and personal navigational devices.
2002-02-20 Modem-Art WCDMA processor implements 3GPP
Built around the company's Programmable Modem Engine core technology, the MA1000 baseband processor enables rapid implementation of Release 1999 and 4 of the 3GPP standards through updates by software and firmware, rather than hardware.
2007-09-14 Mobile WiMAX SoC supports all Wave 2 features
ApaceWave Technologies' APW-2000 is a low-power, mobile WiMAX baseband SoC that integrates PHY, MAC, embedded CPU and multiple data interfaces.
2013-02-21 Mobile handset IC firms ride market ups and downs
IHS revealed that Qualcomm reigned supreme with 31 per cent market revenue share in the market for application-specific mobile handset core ICs while Samsung came in second.
2010-05-04 MIPS set to crack ARM-dominated mobile market
MIPS' goal to take a slice of the ARM-dominated mobile handset market is shaping up with a major deal with a cellular baseband/application chip company based in Asia.
2011-02-21 mimoOn, BDTi create benchmarks for LTE processors
The new benchmarks will enable rapid, fair comparisons of processing platforms for LTE base stations and terminals by providing a uniform workload incorporating the key elements of LTE baseband processing.
2007-12-17 MIMO RFIC delivers dual transmit/receive for Mobile WiMAX
Sequans Communications has introduced the SQN1140 dual-channel MIMO RFIC designed to pair up with the SQN1130 Mobile WiMAX baseband chip for a total Mobile WiMAX 802.16e-2005 solution.
2002-02-06 Microtune to boost RF strategy into consumer applications
Microtune Inc. plans to expand its current product portfolio by combining RF, analog, and baseband technologies to develop end-to-end products for commercial applications.
2002-10-09 Microsoft selects Silicon Wave components to test XP compatibility
Microsoft Corp. has authorized Silicon Wave Inc.'s Bluetooth radio modem, baseband processor, and protocol software, for the testing of Bluetooth wireless capabilities of products using the Windows XP OS.
2005-08-23 Micrel LDO regulator sources 150mA, draws 16?A
The new 150mA Micropower ?Cap Baseband low dropout (LDO) regulator from Micrel Semiconductor is designed for optimal performance in a small space.
2005-07-06 Metalink IC completes Wi-Fi links
Metalink has introduced its MtW8170 baseband chip, which, when combined with the company's already available MtW8150 RFIC, will comprise a single chipset targeting the emerging IEEE 802.11n standard for next-generation Wi-Fi.
2013-06-07 MediaTek reveals 2x2 802.11ac Wi-Fi chipset
The MT7612x series includes fully integrated 2.4GHz and 5GHz PAs supporting calibration free capability, together with the high output power previously only achievable with external PA solutions.
2008-06-24 Measuring and interpreting picture quality in MPEG compressed video content
Designers, equipment manufacturers, and evaluators need to apply objective picture quality methods to the equipment they are working with. The Tektronix PQA300 Picture Quality Analysis system provides fast, repeatable, quantified Picture Quality Ratings on compressed video content.
2005-06-29 Maxim, Philips partner on RF chip
Maxim Integrated Products' new GPS solution is based on its GPS front-end receiver IC combined with Royal Philips Electronics' Spot GPS software.
2002-08-21 Marvell tames 802.11b power, security
Marvell has released two chipsets that aim at reducing power consumption, increasing security and mitigating interference in these WLANs.
2008-01-09 Mapping GPS' path to handsets
While personal navigation devices (PNDs) and location-based services in cellphones make it easier for consumers to find their ways, the path to integrating GPS capability to handsets is not that clear.
2007-06-28 LVDS offers robust video interface for automotive apps
In automotive video applications, one way to minimize video interference is to use digital instead of analog signals.
2011-02-14 LTE triple-mode modem platform supports all major OS
Renesas Mobile debuts the SP2531, an LTE triple-mode modem platform that offers extensive support for major mobile OS including Android, MeeGo and Symbian as well as Linux and Windows Mobile on PCs.
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