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posted in April 2011
Multiphase boost converter eases 12V battery 'cranking deep'
Design How-To  
4/29/2011   4 comments
Auto start-stop systems offer improved fuel efficiency and emissions, but vehicle electronics need to be protected from cranking transients. A multiphase boost converter is ideal for this function and can also simplify supplying power audio components in the infotainment system as well as isolating regenerative braking energy storage.
Bourns' MF-LL190 battery strap resettable fuse
Product News  
4/28/2011   4 comments
Bourns' miniature-sized battery strap resettable fuse offers an initial resistance of just 5 to15 mOhms.
Vishay ORN series resistor networks
Product News  
4/28/2011   Post a comment
Vishay’s enhanced surface-mount devices offer 13 standard resistance values ranging from 49.9 O to 500 kO.
Miniature telemetry crystal for use in medical implantable devices
Product News  
4/26/2011   Post a comment
The CX-16 series crystal launched by IQD comes housed in a hermetically sealed ceramic package measuring just 2.0x1.2x0.4mm.
AVX Miniature SMPS capacitor provides high capacitance value, low ESR
Product News  
4/21/2011   Post a comment
AVX expanded its SMPS capacitor series, TurboCap, to include miniature versions.
Wirelaid technology enables high-current, fine-pitch SMDs
Design How-To  
4/19/2011   Post a comment
A rounded or rectangular cross-sectional area wire is integrated into the stackup design directly beneath the outer PCB layer.
Mr OxiCap is a virtual library guide
Product News  
4/19/2011   Post a comment
AVX Corporation has created a new CD detailing its tantalum and niobium oxide capacitors which will help designers access information more easily and select the correct capacitor for their applications.
Tantalum polymer capacitors deliver high CV in 1mm profile
Product News  
4/19/2011   Post a comment
AVX’s range of SMD tantalum polymer capacitors now includes new TCN series devices that deliver what the company claims is the industry’s highest CV rating in a low-profile package.
Tech Tutorial: Implement automotive BLDC motor control
Design How-To  
4/19/2011   2 comments
In conjunction with control algorithms running on optimized microcontrollers, brushless DC motors offer efficient solutions, with various control schemes, including field oriented control (FOC), available.
Power Line Communication integrates electric vehicles with the Smart Grid
Design How-To  
4/15/2011   6 comments
A compatible charging infrastructure and communication between an EV and any potential "charging spot" is required for easy and practical use. The established Power Line Communication (PLC) standard in the Smart Power Grid offers a robust and long term available setup—and the prospect of grid stabilization (charging back to the grid).
Tech Tutorial: Transient voltage suppressors
Design How-To  
4/12/2011   1 comment
A major challenge in automotive design is protecting electronics against damaging surges, voltage transients, ESD, and noise that are present on the power line.
Component selection and layout strategies for avoiding thermal EMF
Design How-To  
4/8/2011   Post a comment
Understand how thermal effects can impact precision resistor circuits and what do to minimize them
Vishay IHLP IHLP-3232DZ-11 low-profile, high-current inductor
Product News  
4/5/2011   2 comments
Vishay's IHLP-3232DZ-11 features inductance values from 0.22 µH to 47.0 µH and maximum DCR down to 1.35 mO.
Culture shock: Driving an electric car
Design How-To  
4/5/2011   69 comments
A few days of driving, and under the hood of, the Nissan Leaf EV shows the energy saving technologies in the car require a new driver mindset.
TT rolls glueable chip resistors
Product News  
4/5/2011   Post a comment
TT electronics has released the GCR series of chip resistors optimized for use with conductive adhesives. The devices are available in several variants suitable for specialized medical, scientific, military, aerospace and automotive applications.
3D antenna printing yields an order of magnitude better performance than monopole antenna designs
Research  
4/3/2011   2 comments
Researchers at the University of illinois have experimented with omnidirectional printing techniques using metallic nanoparticle inks and a 3D controlled dispensing nozzle to manufacture very compact and high-performance antennas.
EXCLUSIVE! I'm driving a Nissan Leaf EV for a few days
Automotive DesignLine Blog  
4/1/2011   36 comments
If you have any questions about the Nissan Leaf, leave a comment here and I'll try and answer it.


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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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