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CX24118A-12Z データシート(PDF) 3 Page - NXP Semiconductors |
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CX24118A-12Z データシート(HTML) 3 Page - NXP Semiconductors |
3 / 46 page CX24118A_N_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 8 September 2009 3 NXP Semiconductors CX24118A Advanced Modulation Digital Satellite Tuner General description The CX24118A is a direct down-conversion satellite tuner intended for high-volume digital video, audio, and data receivers. The CX24118A offers excellent phase noise performance and very low implementation loss, required for advanced modulation systems such as 8PSK and DVB-S2. The CX24118A has a built-in auto-tuning system that eliminates the need for software calibration. The on-chip fractional synthesizer enables fine frequency step size without adversely affecting lock time. The CX24118A does not require a balun, thus reducing external BOM cost. Its highly integrated design saves valuable board space and simplifies RF layout. Features Single-chip RF-to-baseband satellite receiver Zero-IF architecture eliminates the need for image reject filtering Very low phase noise integrated Local Oscillators (LOs) for 8PSK and DVB-S2 applications Variable baseband filters for optimal interference rejection Auto-tuning system eliminates need for software calibration Very low power consumption Small (6 mm x 6 mm) footprint Lead-free package Applications 8PSK, DVB-S2, and advanced modulation set-top boxes Commercial digital video, audio, and PVR receivers Product Specifications RF input: 925–2175 MHz Symbol rate: 1–45 MSps Noise figure: 10 dB, typical Input IP3 at minimum gain: 10 dBm, typical Block diagram I_OUT Q_OUT VTUNE CP_OUT XSEL XTAL1 XTAL2 CKREF_OUT RF_IN AGC Crystal Oscillator and Clock Control PLL and VCO VCA VGA1 Filter 2 I/Q Mixer VGA2 Filter 1 Final Amplifier 0o 90o DC Offset Cancellation DC Offset Cancellation AGC Control Filter Control Logic Interface SADD SCL SDA : 2, 4 : |
同様の部品番号 - CX24118A-12Z |
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同様の説明 - CX24118A-12Z |
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