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EE

Stable pulse generator uses matched transistors in a current mirror

EDN Design Ideas - February 2, 2012 - 3:00am
Inexpensive dual transistors work as well as do legacy matched...
Categories: EE

Implement an audio-frequency tilt-equalizer filter

EDN Design Ideas - February 2, 2012 - 3:00am
Developing the transfer functions lets you customize the...
Categories: EE

Circuit provides 70 dB of AGC

EDN Design Ideas - February 2, 2012 - 3:00am
A comparator autoranges to ensure that the automatic-gain-control section sees a signal...
Categories: EE

Wireless temperature monitor has data-logging capabilities

EDN Design Ideas - January 19, 2012 - 3:00am
You can make a wireless temps system with two...
Categories: EE

Make an asynchronous clock for VPX-based PCIe systems

EDN Design Ideas - January 19, 2012 - 3:00am
Careful crystal selection and an FPGA are key to...
Categories: EE

Use a photoelectric-FET optocoupler as a linear voltage-controlled potentiometer

EDN Design Ideas - January 19, 2012 - 3:00am
The circuit takes advantage of an identical photo-FET as a feedback...
Categories: EE

Simple circuit tests twisted-pair cables

EDN Design Ideas - January 19, 2012 - 3:00am
Quickly test a cable containing twisted-wire pairs and detect open or reversed pairs, shorted...
Categories: EE

Use a boost regulator beyond its rated voltage

EDN Design Ideas - January 5, 2012 - 3:00am
Use an external FET in a common-gate cascode...
Categories: EE

Measure an amplifier's THD without external filters

EDN Design Ideas - January 5, 2012 - 3:00am
Adding a secondary amplifier boost the THD to measurable...
Categories: EE

Use air-core-coil resistance to estimate inductance

EDN Design Ideas - January 5, 2012 - 3:00am
If the coil is tightly wound you do not need the number of turns to calculate...
Categories: EE

Current monitor uses Hall sensor

EDN Design Ideas - January 5, 2012 - 3:00am
Use a Hall-effect sensor to measure dc current in the range of 0 to...
Categories: EE

Control your holiday lights with a magic wand

EDN Design Ideas - December 16, 2011 - 3:22am
A magnet waved past a Hall-effect sensor does the...
Categories: EE

DRIVEFORINNOVATION - DESTINATION: AVNET EXPRESS

EDN Design Ideas - December 15, 2011 - 3:00am
Come Along for the Ride on the Ultimate Electronics Road Trip! Join the adventure as road warrior and editor of EE Times’ EE Life, Brian Fuller, tours the USA in the fire engine red Drive for Innovation Chevrolet Volt in search of engineering innovation. Follow content, access a drive tracker and an interactive map highlighting the tour as well as participate in games and weekly contests. Join the adventure!
Categories: EE

Circuit provides more accurate multiplication

EDN Design Ideas - December 15, 2011 - 3:00am
Convert into and out of the sampled-data domain to get an accurate...
Categories: EE

A few added components make a self-contained controller for 100A load

EDN Design Ideas - December 15, 2011 - 3:00am
Add a few components and you have a stand-alone piece of test...
Categories: EE

Simple night-light uses a photoresistor to detect dusk

EDN Design Ideas - December 15, 2011 - 3:00am
You can adjust this battery-powered circuit for different...
Categories: EE

Sponsored Link: TI’s Analog Design Contest Open to US & Canada Universities

EDN Design Ideas - December 1, 2011 - 3:00am
Undergraduate students must be on a team in a senior design course or other project course, and must build their project using either 3 TI analog ICs or 2 TI analog ICs and a TI processor. Compete for the Engibous Prize: $10,000, $7,500, and $5,000 cash prizes.
Categories: EE

Sponsored Link: TI’s Analog Design Contest Open to US & Canada Universities

EDN Design Ideas - December 1, 2011 - 3:00am
Undergraduate students must be on a team in a senior design course or other project course, and must build their project using either 3 TI analog ICs or 2 TI analog ICs and a TI processor. Compete for the Engibous Prize: $10,000, $7,500, and $5,000 cash prizes.
Categories: EE

Sponsored Link: TI’s Analog Design Contest Open to US & Canada Universities

EDN Design Ideas - December 1, 2011 - 3:00am
Undergraduate students must be on a team in a senior design course or other project course, and must build their project using either 3 TI analog ICs or 2 TI analog ICs and a TI processor. Compete for the Engibous Prize: $10,000, $7,500, and $5,000 cash prizes.
Categories: EE

Sponsored Link: TI’s Analog Design Contest Open to US & Canada Universities

EDN Design Ideas - December 1, 2011 - 3:00am
Undergraduate students must be on a team in a senior design course or other project course, and must build their project using either 3 TI analog ICs or 2 TI analog ICs and a TI processor. Compete for the Engibous Prize: $10,000, $7,500, and $5,000 cash prizes.
Categories: EE

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