Silicon Labs have introduced a tiny 3 mm square hybrid TV tuner chip which supports reception of all worldwide terrestrial and cable TV transmission standards.
According to its preliminary data sheet its design eliminates the need for an external balun, LNAs, SAW filters, and inductive power supply filtering. Some competing TV tuner solutions also eliminate the balun but can suffer from degraded NF and second-order distortion, which compromises reception. A fully-integrated 1.8 V LDO power supply regulator enables single supply operation, while a dual supply option offers additional system flexibility. Increased immunity to LTE interference and a harmonic rejection mixer filters out Wi-Fi interference and eliminates the need for external filtering.
For more detail: Tiny hybrid TV Tuner Chip Using Arduino
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