Denver Boombox TDA-65 Music Device with Dab+/FM Radio, CD Player, AUX Input, Volume Output: 2W, Battery or Power Operation. : Amazon.com.be: Electronics
User manual Denver TDA-60 (English - 8 pages)
Figure 6 from Design and Development of a Superheterodyne Frequency Modulation Radio Receiver Using TDA 7000 IC ( 88 MHz – 108 MHz ) | Semantic Scholar