| Can a simple medium-wave radio receive shortwave broadcasts? In 2005, Burkhard Kainka answered that question with a creative two-transistor...
All items tagged with RF and Circuits & Circuit Design (16)
| Spectrum analyzer span can make an RF measurement look convincing while giving the wrong frequency and amplitude. In this Elektor TV excerpt...
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| High-frequency circuits have different demands than low-frequency designs like audio. Standard prototyping boards fall short for RF due to t...
| A compact FM wireless microphone turns a simple electret capsule into a short-range transmitter tunable across the FM band. Built around two...
| Discover how a Raspberry Pi, a DDS module, and an ADC come together to form a powerful DIY RF sweep generator for RF testing. This compact s...
| Discover the latest in wireless innovation, EMC know-how, and IoT design in Elektor Lab Talk #38, featuring standout projects, lab updates,...
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| Build your own Variable Frequency Oscillator (VFO) with a Raspberry Pi Pico! This compact project delivers a tunable signal up to 15 MHz, en...
| Dip meters were once essential for radio amateurs, but affordable oscilloscopes have pushed them aside. That’s a shame. Some tasks are still...
| Discover a clever 1970s AM radio design that tunes MW and LW without a single coil. This vintage synchrodyne receiver uses a synchronized os...
| Interested in topics like RF and SDR? Watch the fiftieth episode of Elektor Engineering Insights to learn about SDR satellite signal decodin...