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CX24123 データシート(PDF) 1 Page - Synaptics Incorporated. |
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CX24123 データシート(HTML) 1 Page - Synaptics Incorporated. |
1 / 2 page Digital Set-top Box Solutions Satellite CX24123 Distinguishing Features • DVB/DSS/DCII - compliant • Symbol rates: 1 to 45 Msps • Automatic acquisition • Low-power design • Internal SNR and BER monitors • DiSEqC™ Level 2.x compatible • Low-Noise Block Converter (LNB) control • Available in both 80 and 64 pin TQFP Low-power QPSK demodulator for worldwide satellite set-top box applications Conexant’s broadband communications portfolio includes a comprehensive suite of semiconductor solutions that enable the digital home and information network. The CX24123 is a DVB, DSS, and DCII compliant demodulator and Forward Error Correction (FEC) decoder. When combined with a satellite tuner, such as the CX24109 tuner, the CX24123 provides a complete broadband satellite front-end solution capable of operating from 1 to 45 Msps. The CX24123 is the ideal solution for a wide variety of applications in digital satellite set-top box, personal computer receivers and residential gateways. This DiSEqC™ 2.x compliant demodulator enables two-way communication between the set-top box and peripheral satellite equipment such as Low- Noise Block Converters (LNB) and switches. Providing digital derotation, digital filtering, equalization, and Viterbi/Reed- Solomon FEC, the CX24123 provides many advanced 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 (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 searches and acquires the carrier within a ± 10 MHz range during initial acquisition and performs a smart search to reacquire the carrier during fade conditions. The CX24123 has integrated signal-to-noise Ratio (SNR) and Bit Error Rate (BER) monitors for basic channel performance measurements, which saves time and test equipment during production. Part Number CX24123 Description Demodulator and FEC Decoder CX24123 Demodulator and FEC Decoder |
同様の部品番号 - CX24123 |
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同様の説明 - CX24123 |
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