CX24123 - Conexant Systems

CX24123 Demodulator and FEC Decoder

Demodulator and FEC Decoder www.DataSheet4U.com • DVB/DSS/DCII - compliant Digital Set-top Box Solutions Satellite CX24123 Features • DVB/DSS/DCII-compliant • Symbol rates 1 to 45 Msps • Internal PLL, only a single low-frequency crystal or clock is required • Automatic acquisition • ±10 MHz acquisition range • Carrier tracking: ±5 MHz • 6-bit Analog-to-D.

Features

that enhance overall system performance. The CX24123 automatically corrects for external quadrature gain/phase imbalances and for DC offsets. Input signal level variations (e.g., due to rain fade) are compensated by automatic gain control CX24123 Distinguishing Features
• Symbol rates: 1 to 45 Msps
• Automatic acquisition
• Low-power design
• Internal SNR and BER monitors
• DiSEqC Level 2.x compatible ™ w w (AGC). Frequency offsets due to inexpensive consumer LNBs are corrected by a robust Carrier-Tracking Loop. A unique feature of the CX24123 is an automatic acquisition algorithm that se.