Title :
Low-power zero-IF full-segment ISDB-T CMOS tuner with tenth-order baseband filters
Author :
Kamata, Takatsugu ; Okui, Kazunori ; Fukasawa, Masahiko ; Matsuoka, Toshimasa ; Taniguchi, Kenji
Author_Institution :
RfStream Corp., Tokyo, Japan
fDate :
5/1/2011 12:00:00 AM
Abstract :
A zero-IF tuner IC with wide RF input range (92 dB) and low power consumption (530 mW in a single 3.3 V supply) for full-segment ISDB-T digital broadcast reception was realized using 0.25 μm RF-CMOS technology. Tenthorder baseband filters were implemented instead of external surface-acoustic-wave filters. The wideband receiver selects one of two LNAs under the condition of full-segment ISDB-T 64QAM modulation (CR=3/4), and provides either low-IF or direct-IF output. A sensitivity of -80 dBm was achieved.
Keywords :
CMOS integrated circuits; circuit tuning; low noise amplifiers; quadrature amplitude modulation; surface acoustic wave filters; ISDB-T digital broadcast reception; LNA; RF-CMOS technology; full-segment ISDB-T QAM modulation; low-power zero-IF full-segment ISDB-T CMOS tuner; noise figure 92 dB; power consumption; size 0.25 mum; surface-acoustic-wave filters; tenth-order baseband filters; wideband receiver; Band pass filters; Baseband; Digital multimedia broadcasting; Gain; Multiplexing; Radio frequency; Tuners; CMOS; ISDB-T; TV tuner; zero-IF receiver;
Journal_Title :
Consumer Electronics, IEEE Transactions on
DOI :
10.1109/TCE.2011.5955173
