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Content tagged with Electromechanical
posted in January 2007
Improve Hall sensor rotor-position measurements: Part 1
Design How-To  
1/30/2007   Post a comment
Proper sensor management allows using low-resolution sensors without affecting control system performance, and cuts cost. This section describes the design task required and various sources of electric motor rotor position error.
Submini relay switches up to 10 amps
Product News  
1/30/2007   Post a comment
CIT Relay & Switch has released the subminiature J105E series relay for low voltage signal change-over in a variety of instrumentation, computer, security, telecommunications, test and medical equipment applications.
14-slot Dual Star backplane meets latest MicroTCA specs
Product News  
1/25/2007   Post a comment
A 14-slot Dual Star MicroTCA backplane from Elma Bustronic Corp. features 10 AMC slots, a dual redundant power module and MicroTCA controller hub (MCH) slots.
Heat sink cools PowerQUICC II processors
Product News  
1/25/2007   Post a comment
Advanced Thermal Solutions has developed the ATS-552 heat sink for cooling Freescale Semiconductor's MPC8349E PowerQUICC II Pro integrated communications processors.
Sealed contactor safely switches up to 750 volts
Product News  
1/23/2007   Post a comment
GIGAVAC has rolled out a sealed 150-amp SPST NO contactor that can switch both AC and DC up to 750 volts. The GX11 sealed contactor can operate in harsh environments without the need for special protective packaging.
Rocker switches offer two light options
Product News  
1/23/2007   Post a comment
E-Switch has introduced its R5 series of illuminated rocker switches with neon lamp and incandescent bulb options.
Apple set for 50% margins on iPhone, says iSuppli
Design How-To  
1/18/2007   Post a comment
The cost of manufacturing each 4GB version Apple's iPhone is put by market analyst group iSuppli at about $230, meaning each of the phones sold could generate a 50.7 percent gross margin for Apple Inc. and partner Cingular Wireless.
Electronic and mechanical pointing, signal processing, and clever element configuration come together in automotive hybrid sat-TV antenna design: Part 3
Design How-To  
1/17/2007   Post a comment
Beyond the antenna and tracking, key technologies include the physical radome, the low noise block amplifier/IF converter, motors, and rotary joints.
Heat sinks cool LED lighting strips
Product News  
1/15/2007   Post a comment
Advanced Thermal Solutions has introduced three heat sinks for cooling OSRAM's DRAGONstick LEDs and other linear LED lighting products.
Electronic and mechanical pointing, signal processing, and clever element configuration come together in automotive hybrid sat-TV antenna design: Part 2
Design How-To  
1/12/2007   1 comment
This installment details the challenges of acquiring, locking onto, and tracking DIRECTV satellites while a car is in motion, multi-satellite capability, and the enhanced features made possible by incorporating a GPS receiver.
Submini slide switches save board space
Product News  
1/12/2007   Post a comment
The AS series of subminiature slide switches from NKK Switches is about one-third the size of conventional miniature switches.
Control4 debuts PoE LCD keypad at CES
Product News  
1/11/2007   Post a comment
Control4 debuts a Power-over-Ethernet LCD keypad and next-generation system remote control for home automation at CES.
CoolIT debuts advanced liquid cooling technologies
Product News  
1/11/2007   Post a comment
CoolIT Systems debuts its predictive cooling technology at CES that allows computers to anticipate heat production from the CPU and adjust cooling power accordingly.
Electronic and mechanical pointing, signal processing, and clever element configuration come together in automotive hybrid sat-TV antenna design: Part 1
Design How-To  
1/11/2007   2 comments
In bringing DIRECTV satellite signals into a car, design engineers had to ensure reliable, continuous service, all in a compact, aerodynamic package.
Allied adds 25,000 products
News & Analysis  
1/10/2007   Post a comment
Allied Electronics Inc. today launched a significant expansion of its catalog of semiconductor and electrical components with the addition of 15 suppliers and 25,000 new products for 2007.
Specialist distributor TTI aquired by Berkshire Hathaway
Product News  
1/2/2007   Post a comment
Berkshire Hathaway based in Omaha, Nebraska, United States and TTI, based in Fort Worth, Texas, United States have announced that they have entered into a definitive agreement which will see the privately-held passives, connectors and electromechanical components distributor become part of the Berkshire Hathaway group

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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