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| BCM3440 PRODUCT (R) Brief OF BENEFITS BCM3440 DIRECT CONVERSION SATELLITE TUNER BCM3440 FEATURES SUMMARY * Direct conversion architecture in standard CMOS process * Supports QPSK and 8PSK demodulation * Input frequency range: 950 to 2150 MHz * Supports 1 to 45 Mbaud data rates * Input signal: -25 to -70 dBm * Baseband in-phase and quadrature outputs * Programmable bandwidth I/Q baseband filters * Integrated LO with on-chip VCO and PLL * Integrated LNA with RF AGC * On-chip IF AGC * Two wire I C host interface * Differential signals for high noise immunity * Uses a low-cost crystal * 3.3V operation * 48-pin TQFP 2 * Designed to work with the BCM4500 and BCM4201 satellite receivers * Operates across entire satellite L-band frequency range * Extremely low phase noise for operation with 8PSK modulation systems * Highly integrated solution minimizes design time and system cost * Operates using single 3.3V supply to eliminate the need for 5V * Complete reference design available to minimize customer RF expertise requirement BCM3440 Tuner Application Example (Satellite Set-Top Box) Memory Conditional Access BCM7020 HD Video Audio BCM3440 SatelliteTuner I Q BCM4500 Advanced Modulation Satellite Receiver L-band HDTV MPEG-2 Transport Demux, Audio/ Video Decoder and Display Engine Host CPU |
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