| Wireless alarms are everywhere: homes, businesses, and public facilities. But what happens when someone deliberately blocks their signal? Th...
All items tagged with Circuits Circuit Design News and signal processing (5)
| Long before SDRs became commonplace, this sophisticated FM exciter demonstrated how to generate precision wideband transmissions in the 430–...
| When peripherals connected to a PC don't function or behave erratically, a thorough fault analysis of the USB port often proves revealing. T...
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| Back in 2024, we introduced a high-quality variable-frequency audio notch filter. Now, we present a high-performance audio frequency generat...
| Check out the design, features, and applications of the Elektor Audio DSP FX Processor board, showcasing its integration of an ESP32, a DSP...