All items tagged with Circuits Circuit Design News and Test & Measurement (65)

| A few engineers and innovators share details about practical test and measurement habits that save time and help avoid poor results. They ta...

| 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,...

| THREE-PHASE SINE WAVE VCOThis three-phase sine wave VCO uses classic OTA devices like the RCA3080 to generate three sinusoidal outputs with...

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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...

| Audio amplifier fault diagnosis gets very practical in this short Elektor TV clip. Roberto Armani shows how a square-wave test can reveal be...

| A DIY square-wave source doesn’t need to be complicated. This compact 1992 design delivers 57 stable, TTL-compatible frequencies from a sing...

| Houseplants rarely die suddenly. They decline slowly, often because of inconsistent watering. If you’ve experienced this problem, check out...

| Precision picoammeter webinar: Join host Brian Tristam Williams in welcoming presenter Johannes Sturz for a practical look at ultra-low curr...