Many thanks to SWLing Post contributor, Ivan Cholakov (NO2CW) who writes:
Hey I just got a radio from China based on the famed tef6686 tuning chip. Just started checking out the basic functions and will let you know how it fares on the bands.
Video description: This project started by enthusiasts has created many DIY and consumer grade projects. This is one of several receivers that take advantage of the great NXP TEF6686 radio chip. AM (Medium Wave), FM, SW (Shortwave) and Longwave receiver with some unusual features not commonly found on other radios. The DX tests will come after this introduction
Click here to check out Ivan’s video on YouTube.
Thank you for sharing this, Ivan! We look forward to your updates!
Thanks for the great info!
If anyone is able to build one of these as a portable that could somehow also include DAB+ and/or DRM reception I would be most interested in purchasing. I have one from ebay that was made in China but these 2 extra features would make it the perfect one stop radio. [email protected]
With many of the major manufacturers gone from the shortwave consumer market it’s nice to see an influx of SDRs from all over the world. Even the styling is refreshing.
Since you are from the Netherlands are you going to add a https://www.nxp.com/products/audio-and-radio/analog-digital-radio-and-audio/digital-radio-and-processing-system-on-chip:SAF360X so that the radio will decode DAB+ which is common in Europe and DRM for all broadcasting bands.
I made already DAB+ radio with a Arduino Uno, see video: https://youtube.com/shorts/xcoF-5wbQJ8
DRM i can decode that on my computer, but not try that
Here a video of my build
Stef made this china has copy this. All info of the TEF V1 and V2 you can find on this site; https://www.pe5pvb.nl/tef-dsp-fm-tuner-v2/
I have build V1 and V2, very good preformer on LW MW and,SW also very giod on FM. No ssb reception.
Here a video of my build
I will post a few videos with tests and add correct credit to the creators of the project.
A couple of additional details. This chip was created for automotive use. It can be found in some Pioneer and other radios. The chip has a very large set of configurations and commands so automotive receivers built around this chip may or may not take advantage of its capabilities. Additionally, it is not a power hog but we can also say it was not built for maximum battery life. As soon as I have some time I will test it against the golden standard Sony chip on FM and and a couple of SW/MW receivers.