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DESIGN IDEAS
Use a TL431 shunt regulator to limit high ac input voltage
This circuit clamps input-ac voltages to levels safe for the operation of the power MOSFET in an SMPS.
Autozeroed amplifier with halved noise needs few components
The unique architecture of the Analog Devices AD8553 instrumentation amplifier permits paralleling devices to lower noise. |
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Scroll down for Dilbert
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Video Design Idea: Buck regulator controls white LED with optical feedback
By using optical feedback, you can stabilize the output level of a high-intensity LED.
Routines directly measure microcontroller-bus clock
You can verify the bus frequency of the HC08 SCS08 microcontroller with simple control loops.
All of the above Design Ideas in a single PDF
Click here for a PDF of all of this issue's Design Ideas.
COLUMNISTS
Voltage- and current-feedback amps are almost the same
The application-circuit configurations for voltage- and current-feedback amps are generally the same, except for a few key points.
| H1-B questions hit EDN readers' hot button |
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Our online career-oriented survey revealed engineers' strong feelings on outsourcing, education, and the profession most would still choose if they had it to do all over again. |
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Dilbert |
By Scott Adams
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