Dual shared upconversion switcher

Show off any of your RTL-SDR or cheap SDR related projects.
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Joined: Tue Apr 14, 2020 5:56 pm

Dual shared upconversion switcher

Post by bg1ica » Fri Sep 04, 2020 3:47 pm

Solve HF receiving problem of SDR without short wave receiving ability.
To solve the problem of HF and UV antenna back and forth in the use of single ant port SDR.
Solve the problem of sharing a set of HF and UV antennas on two SDR devices.

HF input:DC-60MHz
Upconverter LO:120MHz
power: 4.5v-5.5v usb(type-c) or Bias tee
The isolation of switch channel is more than 30dB
For RTL or airspy

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