Abstract
We developed a ISDB-T narrow band receiver. This receiver can detect a part of wide band ISDB-T and narrow band ISDB-T. This receiver can receive audio services. We use a analog TV tuner whose PLL IC is exchanged to low phase noise one . We use CXD8714 which is a channel decoder LSI for DVB-T. The size of narrow band receiver is as same as a Digital CS IRD.