Helmond|
Up-converter with filters to receive 0 to 2 MHz with output on 40 MHz. |
Software Defined Radio receivers RTL dongle/USB stick with Rafael Micro R820T2 chip for 24 MHz to 1766 MHz |
Screenshot with HDSDR software to receive 0 to 2 MHz
Up-converter circuit diagram and printed circuit boards.
Bandpass filter 40 to 42 MHz feeding a RTLdongle/USB stick tuned for 40 to 42 MHz and connected to the USB connection of a computer to receive 0 to 2 MHz
 Lowpass filter 0 - 2MHz |
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HF amplifier with BFW16A for 10 kHz to 70 MHz
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