The Digitech AR-1780 does NOT use a SiLabs DSP chip. The Chinese most likely have copied the architecture of the Silicon Lab's DSP chips and have improved it.
The new Digitech AR-1780 uses the new Boardcomm BK1088 DSP chip that has full shortwave coverage up to 30 MHz and also has SSB that sounds very good. The Boardcomm Company is located in Shanghai, China ).
Here's the proof - Go to https://www.yidianzixun.com/article/0IAtG2HF/amp Then copy and paste the URL into Google translate so you can read the article in English.
The new Digitech AR-1780 uses the new Boardcomm BK1088 DSP chip that has full shortwave coverage up to 30 MHz and also has SSB that sounds very good. The Boardcomm Company is located in Shanghai, China ).
Here's the proof - Go to https://www.yidianzixun.com/article/0IAtG2HF/amp Then copy and paste the URL into Google translate so you can read the article in English.
