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»Shields are your friend, except when...
Shields are your friend, except when...
Engineers just love to put shields on circuits, mostly as a defensive measure against signals on the outside getting into and disturbing our circuits, but they also keep signals inside from getting out and this really makes the folks responsible for EMI compliance happy. Even on low-frequency circuits, shielding can take care of drift due to air currents and AC power mains pickup...
News
»TL6210 Series Tact Switch is Unique: SMT, Illuminated and IP67 rated!
TL6210 Series Tact Switch is Unique: SMT, Illuminated and IP67 rated!
E-Switch announces the TL6210 series tact switch, offering a host of features including: surface mount termination, miniature footprint, and sealed to IP67 ratings. It also offers illumination, with LED colors that include red, green, yellow, blue, white, and a combination of red/green or green/yellow...
News
»New Vishay Intertechnology FRED Pt® Rectifiers in SMPC Package Increase Power Density and System Efficiency
New Vishay Intertechnology FRED Pt® Rectifiers in SMPC Package Increase Power Density and System Efficiency
Vishay Intertechnology introduced 27 new 4 A to 10 A FRED Pt Hyperfast and Ultrafast recovery rectifiers in the compact, low-profile SMPC eSMP series package. Combining extremely fast and soft recovery characteristics with low leakage current and low forward voltage drop, the AEC-Q101-qualified rectifiers reduce switching losses and over-dissipation in automotive and telecom applications...
News
»Melexis Launches Automotive Ready Wireless Charging & NFC Reference Design with Freescale
Melexis Launches Automotive Ready Wireless Charging & NFC Reference Design with Freescale
Wireless charging promises consumers a new level of convenience for maintaining readiness of mission critical and lifestyle enhancing communication tools. Low battery warnings are never welcome but seem ever present with the increasing reliance on portable electronics in our personal and professional lives. Combining the automotive grade NFC transceiver of Melexis with Freescale Semiconductor’s wireless charging technology enables a ready to use reference design solution that could free us from the dreaded low battery warning...
Circuits
»Circuit Generates High-Frequency Sine/Cosine Waves From Square-Wave Input
Circuit Generates High-Frequency Sine/Cosine Waves From Square-Wave Input
Although quite a few direct digital synthesis ICs can generate high-frequency sine waves, their complexity excludes them from many designs. However, designers can use simple high-frequency CMOS logic and two switched-capacitor filters to create a sine/cosine generator...
News
»0V to 100V, 1% Accurate Energy Monitor Has 12-Bit Output
0V to 100V, 1% Accurate Energy Monitor Has 12-Bit Output
Linear Technology introduces the LTC2946, a high or low side charge, power and energy monitor for DC supply rails in the 0 V to 100 V range. An integrated ±0.4 % accurate, 12-bit ADC and external precision time base (crystal or clock) enables measurement accuracy better than ±0.6 % for current and charge, and ±1 % for power and energy...
News
»Three new 50 V LDMOS Drivers for Broadcast, Radar and Avionics Applications
Three new 50 V LDMOS Drivers for Broadcast, Radar and Avionics Applications
PTVA030121EA, PTVA120251EA and PTVA120501EA, the newest members of Infineon's 50 V LDMOS RF power transistor family, are designed to deliver excellent ruggedness, high efficiency and high gain. The PTVA030121EA is an unmatched transistor capable of withstanding a 13:1 load mismatch at 12 W, CW conditions. The PTVA030121EA provides 12 W output power with 25 dB gain and 70% efficiency...
Articles
»Teardown: Inside the iPhone 6 Plus
Teardown: Inside the iPhone 6 Plus
Love it or hate it, there's no question that Apple's iPhone line is popular, and while the numbers haven't officially been announced yet, the company has already broken its record for pre-orders online (roughly 4 million in a 24-hour period compared to the iPhone 5’s 2 million). The new smartphone comes in two flavors – the 6 and the 6 Plus. In this teardown, we focus on Apple's flagship, the larger "phablet" 6 Plus...
News
»TI announces first near infrared DLP device and DLP NIRscan evaluation module for spectroscopy
TI announces first near infrared DLP device and DLP NIRscan evaluation module for spectroscopy
Texas Instruments announced the first DLP device optimized for use with near infrared light, and corresponding evaluation module. Together, the DLP4500NIR and the DLP NIRscan EVM represent the expansion of TI's award-winning MEMS technology into the worlds of transmittance and reflective spectroscopy and other markets...
News
»Vishay's New 12 V Chipscale MOSFET Cuts Power Consumption for Ultraportable Applications
Vishay's New 12 V Chipscale MOSFET Cuts Power Consumption for Ultraportable Applications
A new power MOSFET that will help decrease power consumption and extend battery usage in smartphones, tablets, wearable devices, and high-end notebook computers was released today by Vishay Intertechnology. The new chipscale MICRO FOOT p-channel Si8457DB provides the industry’s lowest on-resistance at a 1.8 V gate drive for any MOSFET with a 1.6 mm by 1.6 mm footprint and is the only such device with a VGS = ± 8 V rating, which provides an extra margin of safety in lithium ion battery-powered application...
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