DIGITAL TUNER

摘要

A digital tuner of a digital broadcast receiver provided. The digital tuner includes: an IB IF unit for converting an IB signal of the RF signal output into an ID IF signal; an OOB IF unit for converting an OOB signal of the RF signal output into an OOB IF signal. The IB signal and the OOB signal are simultaneously converted into IF signals prior to detection, whereby a digital broadcast signal can be smoothly received.