A shortwave SDR receiver using a Tayloe Quadrature Detector. Costs less than $15 and can be built with few parts on a breadboard or a PCB.
Get your PCB from PCBWay: [ Ссылка ]
All you need to replicate: [ Ссылка ]
Quisk SDR software: [ Ссылка ]
Paper on Tayloe Quadrature Mixer: [ Ссылка ]
Recommended USB soundcard:
USB Audio Adapter, 96 kHz/24-Bit Hi-Fi: [ Ссылка ]
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00:00 - Introduction
00:20 - What is software defined radio, how does it work?
01:20 - Mirror frequency problem
01:53 - Quadrature demodulation
03:12 - The Tayloe Quadrature Detector
06:18 - Quisk SDR software
08:01 - First tests
09:25 - Building on PCB
10:34 - Clock generator Si5351
11:32 - Chasing for waves
#electronic
#electronicscreators
#radio
#hamradio
