| Elektor partners with oemsecrets to embed an electronic component search tool directly into articles. Engineers can quickly find, compare, a...
All items tagged with Circuits Circuit Design News and Test Measurement News (104)
| Audio notch filters are useful when an engineer needs to see low-level harmonic distortion that would otherwise be buried under a much large...
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| Professional audio systems often use fully differential signal chains — from inputs and outputs to ADCs, DACs, and filtering stages — to ach...
| A few engineers and innovators share details about practical test and measurement habits that save time and help avoid poor results. They ta...
| A clever 1997 Elektor design shows how accurate RMS-to-DC conversion can be achieved using just two op-amps and a handful of components. Thi...
| This simple inductance meter uses an ATmega328 and LM339 to measure coil values at low cost. The design provides a practical way to estimate...
| Audio measurements are the focus of Elektor Lab Talk #45, where Brian Tristam Williams, Jens Nickel, and Alfred Rosenkränzer will dig into d...
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| Operational amplifiers in analog circuits typically use negative feedback. However, phase shifts in the feedback loop can cause instability,...
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| One of the simplest ways to generate a DC analog voltage level from a microcontroller is by using its built-in pulse-width modulation (PWM)...
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| To weigh large items like bicycles or suitcases, standard scales are often impractical. This solution uses up to four small scales that tran...