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Electronisc World Hot News | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Waveform filtering shapes motor-drive currents
Epcos designed its SineFormer filter technology to improve the output waveforms from high-power frequency converters and motor drives. The unit simultaneously converts phase-to-phase voltages into a sinusoidal signal, damps common-mode currents, and forms the phase-to-ground voltage into a sine-shaped voltage. Details... more »
TDR and S-parameter measurements: How much performance do you need?
Time-domain techniques are challenging established frequency-domain measurements in the analysis of high-speed serial networks. To obtain meaningful results, the measurement equipment must have adequate rise time, bandwidth, and dynamic range. You can derive the instrumentation requirements from the network standards. Details... more »
White-LED driver operates down to 1.2V supply voltage
This circuit beats commercially available LED drivers, which bottom out at 2.5V input voltage, by operating at voltages as low as 1V. Details... more » |
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