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Content tagged with RF/Microwave
posted in August 2011
Measuring leakage current in RF power transistors
Design How-To  
8/29/2011   5 comments
Around the globe, engineers and technicians using RF power devices have had many concerns regarding the specifications for leakage current, what the specifications mean in terms of the part’s performance in the field, and most importantly, how to properly test/verify that a given part is meeting its printed leakage current specification…
Laird develops EMI shielding effectiveness calculator
Product News  
8/29/2011   1 comment
As information is entered, the calculator computes shielding effectiveness, ?and if there are apertures, it plots their pattern.
GaN MMIC PA supports EW and test equipment
Product News  
8/27/2011   Post a comment
Hittite Microwave Corporation has introduced the HMC999 GaN HEMT MMIC power amplifier (PA) which is ideal for test and measurement equipment and military EW and ECM applications up to 10 GHz.
3200 MHz source replaces DROs
Product News  
8/27/2011   Post a comment
EM Research has released the ESP-3200 phase-locked oscillator which operates at 3200 MHz and is designed as a dielectric resonator oscillator (DRO) replacement in high-reliability, ruggedized applications such as SATCOM, electronic warfare, GPS, radar, and telemetry.
Common mode chokes cut EMI in high-speed serial data links
Design How-To  
8/25/2011   1 comment
Devices reduce electromagnetic emissions from twisted cable pairs to maintain regulatory compliance.
GPRS modem routers simplify M2M data connectivity
Product News  
8/21/2011   Post a comment
Radio Data Technology (RDT) has released their latest RM6000 GPRS modem routers following successful field trials in the water and traffic management industries.
Short range radio modules now report signal strength
Product News  
8/21/2011   Post a comment
Short-range radio device supplier, LPRS, is now shipping production quantities of its latest generation of wireless modules, easyRadio Advanced (eRA).
85% of payment terminals shipped worldwide will be contactless-enabled in 2016, says ABI Research
Research  
8/21/2011   1 comment
Recent developments in contactless payment technology are generating renewed interest, and suggest that the long-delayed dream of comprehensive contactless payment systems may finally be approaching reality.
Hittite phase shifter claims one octave bandwidth
Product News  
8/21/2011   Post a comment
Hittite Microwave Corporation has introduced a new SMT packaged MMIC analog phase shifter which is well suited for phased array, industrial sensors, and clock and local oscillator (LO) synchronization applications in fiber optic, military, test equipment and industrial/medical equipment.
Radicom Bluetooth modules aim for low cost
Product News  
8/21/2011   Post a comment
Radicom Research has announced the launch of its RB4000 and RB4000HM Bluetooth modules for short-range wireless data connectivity.
SkyTraq releases GLONASS/GPS receiver
Product News  
8/21/2011   Post a comment
SkyTraq has released a high-performance GG12A GLONASS/GPS receiver that is designed to be affordable.
Coexistence of wireless medical devices
Design How-To  
8/19/2011   Post a comment
Tests to assess the risks associated with coexistence of wireless technologies are necessary for safe and effective RF wireless medical devices.
Design electronic systems for EMC, part 3 of 3
Design How-To  
8/19/2011   2 comments
SciTech Publishing recently released a new handbook by William G. Duff called Designing Electronic Systems for EMC. Part 3 takes a look at how to select a grounding scheme
Wireless mesh nets offer bright prospects for lighting control
Design How-To  
8/12/2011   1 comment
The long lifetimes of LED and CFL lighting make it practical to integrate wireless functionality with the light source for tablet- or smartphone-based lighting control.
An early look at the JEDEC JESD204B third-generation high-speed serial interface for data converters
Design How-To  
8/12/2011   2 comments
A third revision of the specification, JESD204B, has been recently completed by an international JEDEC JC-16 Task Group (Project 150.01).
Design electronic systems for EMC, part 2 of 3
Design How-To  
8/12/2011   3 comments
Part 2 of this excerpt covers antenna characteristics; ground-related interference; circuit, equipment, and system grounding; single-point (or star type) grounding scheme; and multipoint grounding scheme.
EMI scans verify chip design and accelerate time-to-market
Design How-To  
8/11/2011   3 comments
Very-near-field electromagnetic scanning technology displays spatial and spectral emissions profiles and avoids issues in later, more costly testing at the module, system, or complete vehicle level.
Mini diodes serve many wireless apps
Product News  
8/10/2011   1 comment
Skyworks Solutions, Inc. has introduced two miniature 0402 Schottky diodes for detector applications up to 10GHz in handsets, WLAN, CATV Satcom, land mobile radios and infrastructure platforms.
GaAs push-pull amp serves CATV
Product News  
8/10/2011   Post a comment
M/A-COM Technology Solutions Inc. introduced a new GaAs broadband push-pull CATV amplifier.
Laird antenna targets public safety radios
Product News  
8/10/2011   Post a comment
Laird Technologies, Inc.. announced the release of its WPC39S0B-001 wideband/lowband VHF antenna, part of its line of land mobile radio antennas.
Amplifiers target wideband radio systems
Product News  
8/10/2011   1 comment
DVGAs from National Semiconductor enable multi-channel, high-performance basestation radio architectures
AVX MLOC Series advanced organic RF capacitors
Product News  
8/10/2011   Post a comment
AVX has developed an 0603 case size surface-mount capacitor capable of supporting frequencies from 700 MHz to well above 5 GHz.
IMS: Wireless charging market is on 85% CAGR
Research  
8/9/2011   5 comments
The global market for wireless power components and accessories was $100 million in 2010 but will grow to be worth $4.5 billion, according to market research IMS Research Ltd. That is equivalent to a compound annual growth rate of 85.5 percent.
Lead by managing or lead by doing
Blog  
8/9/2011   11 comments
This begs the question, why, when people are exceptional at their job, do businesses try to change the person's job?
Digital phase shifters target electronic warfare, communications, and radar
Product News  
8/9/2011   Post a comment
M/A COM Technology has introduced today a new set of digital phase shifters for communications, electronic warfare (EW), and radar applications.
Infineon claims world’s smallest receive front-end modules
Product News  
8/9/2011   Post a comment
The BGM103xN7 series from Infineon for GPS and GLONASS applications now available
Digital attenuator serves IF from 60 to 500MHz for wireless infrastructure
Product News  
8/8/2011   Post a comment
Hittite Microwave Corporation has introduced a 6-bit GaAs MMIC digital attenuator for Intermediate frequency (IF) automotive, broadband, cellular/3G, LTE/4G, test and measurement equipment and military applications
Design electronic systems for EMC, part 1 of 3
Design How-To  
8/8/2011   Post a comment
SciTech Publishing recently released a new handbook by William G. Duff called Designing Electronic Systems for EMC.We are fortunate to have an excerpt of the book, which contains Chapter 5.
TI achieves certification of ZigBee Alliance's Smart Energy 1.1 profile implementation
News & Analysis  
8/7/2011   Post a comment
TI is making available the company’s new Z-Stack 2.5.0 with support for ZigBee Smart Energy 1.1, geared towards home area networks (HAN).
Energy harvesting could reach a USD4.4 billion market in 2021
Research  
8/7/2011   1 comment
In 2011, IDTechEx research finds that the amount of money spent on energy harvesters will be USD0.7Bn, with several hundred developers involved throughout the value chain.
Looking back across 50 years of microwave engineering
Design How-To  
8/2/2011   4 comments
Bill Oldfield talks with RF and Microwave Designline, reflecting on the highlights and funny moments in his career, and he offers up some advice for new engineers.
Capacitors can reduce size and improve efficiency?of cellular handset antennas
Design How-To  
8/2/2011   1 comment
Applying thin-film technology to the manufacture of capacitors has enabled the development of components where both electrical and physical properties can be tightly controlled. These devices can be used to improve the efficiency of antennas used in mobile handsets.
RF SAW filters target 3G/4G infrastructure
Product News  
8/2/2011   1 comment
TriQuint Semiconductor has released five new RF SAW filters that improve performance in 3G/4G network infrastructure designs
Flexible EEG headset permits home-based diagnosis and care
Design How-To  
8/1/2011   3 comments
Using innovative sensor technology, IMEC researchers have demonstrated a lightweight headset that captures brain signals.


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michigan0 Sang Kim First, 28nm bulk is in volume manufacturing for several years by the major semiconductor companies but not 28nm FDSOI today yet. Why not? Simply because unlike 28nm bulk the LDD(Lightly Doped Drain) to minimize hot carrier generation can't be implemented in 28nm FDSOI. Furthermore, hot carrier reliability becomes worse with scaling, That is the major reason why 28nm FDSOI is not manufacturable today and will not be. Second, how can you suppress the leakage currents from such ultra short 7nm due to the short channel effects? How thin SOI thickness is required to prevent punch-through of un-dopped 7nm FDSOI? Possibly less than 4nm. Depositing such an ultra thin film less then 4nm filum uniformly and reliably over 12" wafers at the manufacturing line is extremely difficult or not even manufacturable. If not manufacturable, the 7nm FDSOI debate is over!Third, what happens when hot carriers are generated near the drain at normal operation of 7nm FDSOI? Electrons go to the positively biased drain with no harm but where the holes to go? The holes can't go to the substrate because of the thin BOX layer. Some holes may become trapped at the BOX layer causing Vt shift. However, the vast majority of holes drift through the the un-dopped SOI channel toward the N+Source,...
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