Understanding the Discrete Fourier Transform
Jan 1, 2004
By R. N. Mutagi Discrete Fourier Transform (DFT) is used extensively in signal processing applications such as communications, broadcasting, entertainment and many other...
Semiconductors
Jan 1, 2004
Silicon digital TV IF amplifier IC Developed specifically for IF amplification in VSB and QAM tuners, the new 3.3 V ISG510067 from ISG Broadband combines...
Monolithic VCO tackles triple bands
Jan 1, 2004
Trimming the single-chip PLL + VCO solution introduced last spring, National Semiconductor Corp. has developed a new family of monolithic RF voltage-controlled...
Combline filter design simplified
Jan 1, 2004
By Anurag Bhargava The range of filters that can be used in 200 MHz to 1 GHz band is limited, and this range becomes even narrower if a sharp rejection profile is needed....
Philips launches unique plug-in-play tuner
Jan 1, 2004
Royal Philips Electronics, Eindhoven, The Netherlands, has launched a digital cable plug-n-play tuner. It enables digital TV manufacturers to easily meet...
Minimum-length cascades of short transmission lines
Nov 1, 2003
By Douglas Miron Lowpass ladders of series L and shunt C elements have been used throughout the history of radio engineering as filters for limiting noise bandwidth and...
Software defined radios present complex design challenges
Nov 1, 2003
By Robert Clarke and Kevin Kreitzer Around since the late 1980s, software-defined radios (SDRs) are making the transition from advanced military and intelligence applications to satellite...
UWB technology for location-aware networking
Nov 1, 2003
By Vincent Coli There are many commercial and military applications that require knowledge of precise location. Applications include finding children, lost pets and luggage,...
Temperature stable PIN diode VCA and high range VCA
Oct 1, 2003
By Moti Kabelly Numerous articles and application notes have been written on a PI configured positive intrinsic negative (PIN) diode VCA. This type of VCA is used in...
Time and Frequency
Oct 1, 2003
Power splitter Mini-Circuits introduces the ZX-10 series of power splitters/combiners. The product features low insertion loss of .25 dB typical and excellent...
Errata
Oct 1, 2003
In the section of the September 2003 issue of RF Design, we ran an incorrect description of Mini-Circuits' new high and low pass filters. The correct...
Products
Oct 1, 2003
Amplifiers WCDMA power amplifier Powerwave Technologies Inc. announced that it has begun commercial deliveries of its 1900 MHz WCDMA RF power amplifiers...
MaxStream Inc.'s 900 MHz wireless OEM module
Oct 1, 2003
MaxStream Inc. announced the release of its 9XCite 900 MHz wireless OEM module. The 9XCite module has a power output of 1 mW and is pin-for-pin and software compatible with MaxStream's 100 mW 9XStream 900 MHz transceiver....
Why all the buzz about SOI?
Oct 1, 2003
By Don Corson and Pierre Delatte The advantages of silicon on insulator (SOI) have been known for quite some time and it has been used in specialized applications for many years. It is, however, only recently that semiconductor manufacturers have realized that SOI offers solutions to many of the problems they face in the race to higher performance and lower power. At the same time, SOI does not require major changes to the well-known and well-mastered complementary metal oxide semiconductor (CMOS) process flow....
Infrared communications using the IrDA standard
Oct 1, 2003
By Markus Schutti The rapid emergence of mobile terminals in work and home environments is accelerating the introduction of mobile wireless digital links. But portable...
Literature
Oct 1, 2003
Test and measurement selection guides Agilent Technologies Inc. announced the availability of two new selection guides, the Basic Instruments 2003 Selection...
