rtl-sdr upconverter

RTL-SDR upconverter po shemi i odlicnim uputama na http://www.snw.uba.be/page68.html

oscilator 54,000 MHz , mikser NE612AN     14,100 MHz   rtl-sdr receiving freq = 68,100 MHz

 

osc 54 MHz

 10 min ugly board

 

making coil for filter

 

 

 

R820T RTL2832U a.k.a RTL-SDR

Cost: $10 – 22 USD
Frequency Range: approx. 24 MHz – 1766 MHz
ADC Resolution: 8 Bits
Max Bandwidth: 3.2 MHz / 2.4 or 2.8 MHz max stable.

 RTL- SDR shematic