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2-in-1 RTL-SDR and HF Upconverter on a Single PCB

April 16, 2013 admin

A Hungarian hardware developer has been working on what appears to be a 2-in-1 software defined radio, combining the rtl2832u and E4000 tuner chips together with a HF upconverter all on the same PCB. The device is able to tune from 1MHz to 1.7GHz, and has two antenna connectors, one for the HF antenna, and another for the VHF/UHF antenna. Using the Google translation is difficult, but it seems the board has a protection diode, 100MHz oscillator, low noise amplifier (LNA), isolation between the two antennas, and also retains the ability to receive DVB-T and DAB broadcasts.

The developers article in Hungarian on this combined tuner can be found here, and a Google English translation here. Another version of the page which looks to be a product ordering page can be found here, and Google English translation here. We aren’t sure if the developer is still shipping these devices as the eBay listings have all gone down, but it seems you can order one by contacting the developer from the website.

Update 27 May 2013: Version 3 of this combined rtl-sdr can be now found for sale at this link. http://janielectronics.com/index.php?route=product/product&product_id=94.

RTL-SDR Combined Tuner

The developer has posted example videos on YouTube of the device working with SDRSharp.

YouTube Video

This video looks to be a demo of version 2 of the combined tuner.

YouTube Video

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