參數(shù)資料
型號： CX24118A-12Z
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： Advanced Modulation Digital Satellite Tuner
中文描述： SPECIALTY CONSUMER CIRCUIT, PQCC36
封裝： 6 X 6 MM, 0.85 MM HEIGHT, PLASTIC, SOT1092-1, HVQFN-36
文件頁數(shù)： 23/45頁
文件大小： 494K
代理商： CX24118A-12Z
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
:
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相關代理商/技術參數(shù)
參數(shù)描述
CX24118A-12Z,518 功能描述:調(diào)諧器 IC SATELLITE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
CX24118A-12Z,557 功能描述:調(diào)諧器 IC SATELLITE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
CX24123 制造商:CONEXANT 制造商全稱:CONEXANT 功能描述:Demodulator and FEC Decoder Low-power QPSK demodulator for worldwide satellite set-top box applications
CX24123-11,518 功能描述:IC DEMODULATOR/DECODER 64-TQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應商設備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
CX24123-11,557 功能描述:IC DEMODULATOR/DECODER 64-TQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應商設備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
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