XHDATA D-808 is a widely discussed portable radio among enthusiasts, primarily known for its high performance-to-price ratio
Technical analysis indicates a mismatch between the 50-ohm input and the high-impedance filter inputs; adding a 3:21 turn matching transformer can reduce signal loss by up to 15 dB. John's Tech Blog Key Specifications & Performance XHData D-808 Mini Review - John's Tech Blog xhdata d808 schematic extra quality
The "brain" of the D-808 is the Silicon Labs Si4735-D60 DSP chip. This high-performance receiver IC handles the majority of the radio's functions across FM, LW, MW, and SW bands. XHDATA D-808 is a widely discussed portable radio