#175: Filter functions in an HF Upconverter used with RTL-SDR Dongle Receiver
8:17
#178: Build, test, use the RF Noise Source on the Ham-It-Up RTL-SDR Upconverter
14:32
#262: IQ Modulator Basics: Operation, measurements, impairments
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Recyclez les piles usagées ! Comment faire une machine à souder simple à partir d’une batterie 1,5V
17:41
#136: What is a dB, dBm, dBu, dBc, etc. on a Spectrum Analyzer?
10:30
#174: Using a mixer to listen to HF, shortwave, ham, etc. on RTL-SDR dongle
21:47
#196: How a Directional Coupler in an SWR meter works
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#83: Basics of RF Mixers in Radio Receivers / Mixer Tutorial / Frequency Conversion
14:48