I recently acquired an analog portable radio, of those cheap Chinese. However, when I put it to work I was surprised by its performance especially in the FM band. The sensitivity and selectivity are excellent, however, this radio presents a difficulty. By keeping a station tuned and being on the move, when that station loses its signal, it automatically switches to the neighboring station, staying on it, without returning to the frequency it was in. Therefore, you have to re-tune it every time this happens. I have disarmed the radio, and I have found that it is not at all `` analog '' so to speak, since surprisingly, this radio is digital, it works with a DSP circuit, which is the KTO936MB9, which I could find little information on the internet, although I have found some images of your data sheet. My question is: Why does this radio have this problem? What is the possible solution you could offer me? Thank you!!