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Content tagged with RF/Microwave
posted in June 2009
RF PA 6-MHz DC/DC converter implements dynamic voltage scaling for improved efficiency of 3G handsets
Product News  
6/30/2009   Post a comment
Fairchild FAN5902 has minimum footprint, maximum efficiency due to switching frequency, dynamic adjustment of power amplifier current to match output power
Tutorial: the new JEDEC interface standard for data converters, Part 1 of 3
Design How-To  
6/29/2009   Post a comment
Understand the design implications of JESD204A for high-speed analog/digital and digital/analog converters
Home networking battle continues: one person's view
RF & Microwave Designline Blog  
6/27/2009   1 comment
Wireless, wired, or power line: which one has the edge in the home?
Wirelessly Monitoring Temperature in Multiple Rooms for an Energy Efficient Home
Design How-To  
6/24/2009   7 comments
Energy efficiency is a hot topic in today's energy crisis discussion. With recent technology advancements in energy efficient technologies, new ultra-low power microcontrollers (MCUs) are helping to reduce overall energy consumption while also creating a cost effective solution for wireless applications.
TI digs deeper into femtocells opportunity
Product News  
6/23/2009   Post a comment
Texas Instruments is upping the stakes in supplying developers of both residential and enterprise femtocells with a range of DSPs specifically targeted at the emerging 3G access point market.
Do RF-based remote controls make "cents"?
Design How-To  
6/22/2009   Post a comment
Infrared (IR)-based remote controls are facing a challenge from the increased features and functions of RF-based controls, including RF4CE and Zigbee.
Carbon chip technology goes commercial
Design How-To  
6/22/2009   Post a comment
Carbon--the basis of all organic compounds--appears destined to supplant silicon as the material of choice for future semiconductors.
UPDATE: B'com, Toshiba win sockets in iPhone 3GS
Teardown  
6/19/2009   Post a comment
Teardowns of the third generation Apple iPhone reveal a more integrated—and probably lower cost--handset thanks in part to new design wins for Broadcom and Toshiba that caused one analyst to quip the 'S' in the iPhone 3GS may stand for savings.
Downconverting mixer debuts for WCS, LTE, WiMAX, and MMDS base stations
Product News  
6/18/2009   Post a comment
Maxim Integrated Products' fully integrated, 2000MHz to 3900MHz downconverting mixer features an on-chip LO buffer.
RFMD : Isolation broadband switches cover multiple market segments
Product News  
6/17/2009   Post a comment
RF Micro Devices has introduced four high isolation broadband switches.
Beyond-IR: Remote Controls for Home Entertainment
Design How-To  
6/17/2009   3 comments
The alternative to infrared remote control technologies is RF-based remote controls. RF-based remote controls overcome three major limitations of infrared technologies: line-of-sight and range; one-way communications; and high power consumption. Let's take a look at each of these limitations.
NXP claims data converters are first to support JEDEC JESD204A serial interface
Product News  
6/15/2009   Post a comment
NXP has started to sample high-speed data converters featuring the new JEDEC JESD204A serial interface standard to lead customers.
RF Micro : Linear power amplifier is designed for WiFi and WiMAX
Product News  
6/15/2009   Post a comment
The RF5602 is a high-power, high-efficiency and high-linearity 2 GHz power amplifier designed for medium power applications including consumer premises equipment (CPE) and access point (AP) applications for WiFi and WiMAX.
New application areas are driving need for converters with higher dynamic range
Design How-To  
6/15/2009   Post a comment
Single-tone testing may not reveal data converter performance relevant to these broad bandwidth designs
IMS 2009 looks to future, while acknowledging the past
RF & Microwave Designline Blog  
6/13/2009   1 comment
In addition to the buzz and action and IMS 2009, there was a fascinating historical exhibit.
Skyworks unveils 2-stage low noise amplifiers with high linearity
Product News  
6/12/2009   Post a comment
Fabricated using Skyworks' advanced pHEMT process, the small and cost-effective products serve a number of demanding receiver applications, including global positioning systems (GPS), satellite digital audio radio services, WCDMA and LTE infrastructure platforms, and ISM base stations, repeaters and access points.
Murata samples industry's smallest RF switch connector
Product News  
6/12/2009   Post a comment
Murata Electronics North America has developed what it claims is the world's smallest RF switch connector that measures only 2.0mm x 2.00 x 0.9mm.
Peregrine expands UltraCMOS digital step attenuator line
Product News  
6/11/2009   Post a comment
Peregrine's 50Ω series UltraCMOS 5- and 6-bit DSAs feature high broadband linearity and a serial-addressable CMOS control interface.
NXP : BiCMOS technology excels at high frequency
Product News  
6/11/2009   Post a comment
NXP has announced a highly advanced QUBIC4 BiCMOS silicon technology, delivering higher levels of integration and performance at high frequencies, all in a cost effective way.
Agilent CTO cites measurement trends, challenges at IMS 2009
News & Analysis  
6/10/2009   Post a comment
Nonlinear performance measurement, synchronized data collection and data visualization are among the solutions for clearing engineers' data acquisition and measurement hurdles, Darlene J.S. Solomon, Agilent Technologies CTO and vice president and director of Agilent Laboratories, said at the IEEE's MTT-S International Microwave Symposium.
Conference report: Hard to see the recession from the IMS show floor
News & Analysis  
6/10/2009   Post a comment
Look over the floor and listen to the buzz at the IEEE's MTT-S International Microwave Symposium, and you'd hardly know there's a recession out there. A spate of tech advancements and the sheer pervasiveness of wireless could account for the industry's strong showing in a down economy
Replacing RS-232 with 802.11n wireless
Design How-To  
6/10/2009   3 comments
The RS-232 serial interface is used extensively in industrial environments, but there is a lot to gain from the replacement of these cables with a wireless transport mechanism. In this article we consider how a wireless link based on 802.11n WLAN can be configured and deployed for this purpose.
Terahertz SiGe imager sees through clothes
News & Analysis  
6/10/2009   Post a comment
A silicon germanium image chip designed in a UCSD lab and shown at the IEEE RFIC Symposium operates in the terahertz range to provide X-ray-like imaging using safe, naturally occurring millimeter wavelengths. The chip can be produced using inexpensive silicon chip processing techniques.
Microchip expands wireless products with ISM band, sub-GHz transceiver radio
Product News  
6/9/2009   Post a comment
The MRF49XA radio is intended for bi-directional, short-range wireless applications, and provides cost-effective, easy integration with PIC microcontrollers.
Cree demos record efficiency for GaN HEMT amplifier
News & Analysis  
6/9/2009   Post a comment
LED and high frequency component specialist Cree Inc. (Durham, N.C.) is demonstrating at this week's MTT-S International Microwave Symposium what it suggests is a record efficiency for a commercially available 2GHz microwave amplifier.
Power detection and control for mobile handsets, (Part 3 of 3): Power control feedback
Design How-To  
6/8/2009   Post a comment
Understand the various biasing methods and tradeoffs in GSM/EDGE mobile unit PA stages
Ember targets smart metering with ZigBee SoC
Product News  
6/8/2009   1 comment
Targeting industrial rather than consumer applications, and specifically smart metering in the medium term, Ember Corporation (Boston, MA.) will start shipping in the third quarter of this year an SoC for ZigBee networking based on an ARM Cortex-M3 processor.
A first look inside the Palm Pre
Teardown  
6/7/2009   Post a comment
A new multi-touch display controller from Cypress Semiconductor is one of few surprises inside the modular design of the Palm Pre handset, according to a teardown by Portelligent.
IMEC demos cognitive radio spectrum sensing capabilities
News & Analysis  
6/6/2009   Post a comment
Spectrum sensing is poised to be a game-changing technology after the switch from analog to digital TV because of their ability to detect the primary users of frequency bands and permit secondary use without interfering with the primary users.
Maravedis predicts accumulated 75 million BWA/WiMAX subscribers by 2014
News & Analysis  
6/6/2009   Post a comment
WiMAX and LTE are converging on the same 4G service capabilities, according to the report, but LTE is unlikely to deploy LTE prior to 2012 and that lag time will benefit WiMAX in the near term.
RF4CE vs IR: the next remote-control "battle"?
Blog  
6/6/2009   4 comments
IR remote controls have a viable, up-and-coming, RF-based competitor--maybe
Microwave USB sensors measure power to 18 GHz
Product News  
6/4/2009   Post a comment
Anritsu has developed microwave USB power sensors that provide accurate average power measurements from 10 MHz to 18 GHz over 60 dB of dynamic range.
Compact tuner receives T-DMB, ISDB-T, and DAB broadcasts
Product News  
6/4/2009   Post a comment
Maxim's multimode silicon tuner for mobile TV receives signals in the FM, VHF-III, UHF, and L-band spectrums, making it well-suited for multimode applications that need to receive mobile TV and audio broadcasts.
CSR launches Bluetooth ROM device line
Product News  
6/4/2009   Post a comment
Aimed at the Bluetooth mono headset market, the BlueCore series of ROM-based chips consists of three devices, two of which include CSR's powerful audio processing DSP core.
Power detection and control for mobile handsets, (Part 2 of 3): Power detection methods
Design How-To  
6/4/2009   1 comment
Understand the various biasing methods and tradeoffs in GSM/EDGE mobile unit PA stages
PerkinElmer introduces latest infrared sensing technology for smart, green HVAC appliances
Product News  
6/3/2009   Post a comment
PerkinElmer announced the introduction of its new Cool Eye Thermopile Line Array, designed for energy conservation and indoor climate control in today's greener, smarter appliances.
Teledyne : Miniature broadband relays operate from dc to 6 GHz
Product News  
6/3/2009   Post a comment
Designed to be a practical surface-mount solution that simplifies pc board manufacturing and solder joint inspection, the SRF300/SRF303 series ultraminature broadband TO-5 relays permit easy removal and replacement using hand tools.
Power detection and control for mobile handsets, (Part 1 of 3): Power amplifier biasing for power control
Design How-To  
6/1/2009   Post a comment
Understand the various biasing methods and tradeoffs in GSM/EDGE mobile unit PA stages
Agilent Nonlinear Vector Network Analyzer family extends active device test to 50 GHz; yields X-parameters for advanced component and system insight
Product News  
6/1/2009   Post a comment
PNA-X NVNA network analyzer extends range, performance; reduces cost, test time, footprint


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