Passives for RF design
Aug 1, 2005
By Chris Reynolds Designers can choose from fully integrated systems or fully discrete solutions with their associated pros and cons. Both thin film and PMC are rapidly developing technologies, and a number of new devices will soon be emerging. The PMC process is ideal for integration of the passive content of the RF circuit to optimize PA or LNA performance for a given application....
Implementing ZigBee wireless mesh networking
Jul 1, 2005
By Tim Cutler ZigBee offers unique advantages for wireless applications. But with a technology this new, realizing a successful ZigBee implementation requires understanding its architecture and operation, assessing design options at the chip and module level, and weighing practical considerations relative to specific application needs....
Fourth-generation high-speed DACs push performance envelope
Jul 1, 2005
Introduced nearly a decade ago, Analog Devices Inc.'s high-speed TxDAC family has added fourth-generation members with improved performance and pin compatibility...
Software radio to tap diverse opportunities
Jul 1, 2005
Ashok Bindra, Editorial Director Since the mid to late 1980s, software-defined radios (SDRs) have been making progress, especially in the military sector. The Department of Defense's...
AWR, Astra Microelectronics ink partnership
Jul 1, 2005
Applied Wave Research Inc. (AWR), a supplier of high-frequency electronic design automation (EDA) tools, has announced a technology and marketing agreement...
Products
Jul 1, 2005
Active Components SPDT GaAs RFIC switches NEC's California Eastern Laboratories has introduced three single-pole double-throw (SPDT) gallium arsenide...
Amplifiers
Jul 1, 2005
13 GHz to 40 GHz linear power amplifiers Mimix Broadband Inc. has introduced a line of GaAs MMIC power amplifiers covering the 13 GHz to 40 GHz frequency...
Direct-conversion Bluetooth receivers
Jul 1, 2005
By Mark Lane Direct-conversion receivers have well-known challenges that are difficult to overcome such as dc offset. Due to the large modulation bandwidth, the effect of frequency offsets is negligible on the overall performance of the direct conversion receiver as implemented in Bluetooth....
RF CMOS scales to 13 GHz
Jul 1, 2005
Peregrine Semiconductor has refined its UltraCMOS process technology to extend the reach of CMOS to 13 GHz. This frequency performance breaks speed barriers...
Bringing long-range UHF RFID tags into mainstream supply chain applications
Jul 1, 2005
By Rob Glidden and John Schroeter The availability of inexpensive CMOS technologies that perform well at ultra-high frequencies has created new opportunities for automated material handling within supply chain management that will, in hindsight, be viewed as revolutionary....
ST, Cooper Bussman define solutions for telecom
Jul 1, 2005
STMicroelectronics has announced a marketing initiative with Cooper Bussmann, through its electronics business unit, Cooper Electronic Technologies, focused...
High-speed serial pulse data generator is unprecedented
Jul 1, 2005
Agilent Technologies Inc. has unwrapped what it claims is the industry's first high-speed, serial pulse data generator with stimulus capability up to...
RFIC eyes emerging wireless multimedia applications
Jun 1, 2005
Aiming to be a player in the emerging wireless multimedia networking for the home entertainment market, Yakum, Israel-based start-up Metalink unveiled...
Cornell Dubilier approved for wet tantalum capacitors
Jun 1, 2005
Cornell Dubilier acknowledged receipt of approval by the Defense Supply Center Columbus (DSCC) as a qualified provider of CLR79 and CLR81 wet tantalum...
Novel High-Frequency Crystal Oscillator Cuts Jitter and Noise
Jun 1, 2005
By Dan Nehring The inverted Mesa resonator offers a high-performing alternative to SAW-based
oscillators and other bulk resonator types, which use a noisy PLL or other such
parametric multiplier that also multiplies noise. Oscillators have been developed
to demonstrate the effectiveness of this design technique....
In context--Internal zero and calibration for RF power sensors
Jun 1, 2005
By Alan B. Anderson The primary use of an RF power sensor and RF power meter combination is to add traceability and accuracy to test systems and for making accurate, absolute...
High-performance TV signals come to cell phones
Jun 1, 2005
Ashok Bindra, Editorial Director Several technologies have come together to make reception of high-quality digital TV signals a reality in mobile hand-held devices, such as cell phones, PDAs and other multimedia convergence products, as well....
Military stimulates programmable software radio industry
Jun 1, 2005
Ashok Bindra, Editorial Director Initiated some time in the mid-nineties, the United States military is playing a pioneering role in the development of software-defined radio or SDR....
