This is a common RTL-SDR USB stick with R820T. I shield it to improve the immunity from RF noise inside the shack. It improves a few dB the noise figure. I also put a variable capacitor 5-30 pF from one of the two pins of the XTAL to the ground in order to eliminate the need for ppm correction.
RTL SDR receiver
- Written by SV1BDS
- Category: Transmiters & receivers
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