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total search30 articles
2005-06-07 Receiver with -110dBm sensitivity for high-volume, low-cost apps
Maxim introduced the MAX7042 VHF/UHF PLL-based frequency shift keying receiver, which is well suited for low-cost, high-volume apps where range is critical
2003-02-06 Maxim superhet receiver offers -114dBm sensitivity
The MAX1473 300MHz to 450MHz superheterodyne ASK receiver features -114dBm sensitivity and >50dB user-selectable center frequency image rejection.
2010-01-19 Designing a superheterodyne receiver using an IF sampling diversity chipset
The application note introduces a chipset to simplify receiver design and puts forth a design example based on GSM but can be extended to many open or closed air interface
2008-07-03 CX74017: On the direct conversion receiver
Long abandoned in favor of the mature superheterodyne receiver, direct conversion has emerged over the last decade or so thanks to improved semiconductor process technologies and astute design techniques. This paper describes the characteristics of the DCR and the issues it raises.
2008-06-12 ASK receiver withstands high temperature
Maxim Integrated Products has introduced the MAX7034 low-power superheterodyne receiver for ASK data in the 300-450MHz frequency range.
2004-10-01 Simplifying direct-conversion receiver design
Direct-conversion receiver ICs eliminate the need for additional IF stages and relax the demands on HF filters
2004-05-04 Maxim receiver with -114dBm sensitivity
Maxim Integrated Products has introduced its newest 300MHz to 450MHz superheterodyne ASK receiver.
2004-07-16 Rolling data codes and fast oscillator trigger remote keyless entry
A common application for simple RF data transmission is the remote keyless entry system found in most vehicles today.
2003-01-16 Direct conversion: No pain, no gain
The benefits of direct conversion require the designer to carefully consider the non-ideal world, or receiver design, and to conquer the issues one at a time
2010-05-27 60GHz chipset steers 5bit/s around obstacles
IBM and MediaTek Inc. have unveiled their 60GHz transceiver chipset that delivers 5Gbit/s speeds even when the line-of-sight is blocked and the chipset must switch routes.
2005-05-16 Tackling RF, mixed-signal integration
As mixed-signal and analog RF circuits are slowly integrated in today's chip designs, designers have to face many challenges
2000-11-01 Signal leakage mires conversions
This article reviews superheterodyne tuning techniques and offers pointers for more streamlined implementations
2004-12-01 Predicting sensitivity of ASK receivers
Here's a step-by-step method on predicting sensitivity of an RF chip ASK receiver in various remote keyless systems
2004-12-16 Space-based GPS lowers costs
Developing a satellite may be expensive, but integrating a GPS receiver may trim down costs
2009-05-06 RF transceiver offers precise signal processing
CML Microcircuits has released a high performance integrated RF quadrature/low IF transceiver IC, which features an advanced image-reject up-conversion modulation system and flexible superheterodyne receiver.
2008-02-18 Single-chip WiMAX RF transceiver halves BOM
Maxim's MAX2838 single-chip WiMAX RF transceiver eliminates the costly SAW filter and extra VCO circuitry required by existing superheterodyne solutions, thus saving 50 percent on BOM as well as reducing component count and board space
2008-09-10 VHF/UHF transmitter delivers up to 100Kbit/s
Maxim Integrated Products introduces the MAX7057 crystal-referenced, phased-locked loop VHF/UHF transmitter for transmitting OOK/ASK/FSK data over a wide range of frequencies.
2008-06-03 Transmitter handles two frequencies with one crystal
Maxim Integrated Products has introduced the MAX7058 crystal-referenced, phased-locked loop VHF/UHF transmitter for transmitting OOK/ASK/FSK data at 315MHz or 390MHz.
2009-01-08 Researchers develop energy-harvesting RFICs for Mars
Kansas State University is developing a single-chip microtransceiver that can be used in energy harvesting radio technology targeted for future Mars missions.
2010-05-07 Radar detector packs location-aware features
Without specialty ASICs, but with beautiful RF engineering, the Escort 9500ix seems to own the top spot in radar/laser detectors for now.
2000-11-01 Plan to avoid 3G frequency spurs
Designers of 3G must avoid spurious responses and adopt architectures that allow high levels of IC integration. A fundamental part of design is frequency planning to minimize the problems of duplex operation.
2008-04-16 Learning from the superhet
Trying to transform an unmanageable problem into one that can be managed, and then solving it, rather than approaching it directly, is a good approach to keep in mind for the system design challenges all engineers face.
2007-06-18 WiMAX RF transceiver cuts chip count, board space
Maxim Integrated Products introduced the MAX2837, a single-chip WiMAX RF transceiver in high-volume production.
2005-12-01 WiMAX advantages bring about new challenges
As WLAN engineers tackle this emerging standard, they face many system considerations, especially in RF architectures.
2002-08-19 RF integrates with DSP in 4G apps
This article discusses a direct-conversion RF architecture that uses CMOS technology to design a DSP suitable for 4G apps.
2007-02-01 Overcome challenges in implant design
This article discusses the unique challenges posed by in-body communications systems, and some of the general technical and biocompatibility issues for implanted system design.
2003-12-16 HD chips do double duty for standard definition
MGS6200 high-definition (HD) chip is designed to carry multiple HD video channels and specified with sufficiently low-phase noise to handle HD data.
2005-02-22 Frontier Silicon rolls out 'smallest RF tuner for T-DMB'
Frontier Silicon launched its first tuner chip for digital multimedia broadcasting (T-DMB) apps.
2002-02-12 Commercial drumbeat resonates at ISSCC
Even as technologists dazzled the International Solid-State Circuits Conference with presentations claiming to blow past worries about the future of CMOS, many of the engineers who gathered here last week seemed more preoccupied with the commercial viability of those advances than their technical bravura.
2005-08-29 Advantages of WiMAX bring about new challenges
While many applaud the advantages of WiMAX systems, designers need a clear understanding of the 802.16 spec and the resulting RF requirements.
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