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| 型号： | CX24118A-12Z |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 消费家电 |
| 英文描述： | Advanced Modulation Digital Satellite Tuner |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC36 |
| 封装： | 6 X 6 MM, 0.85 MM HEIGHT, PLASTIC, SOT1092-1, HVQFN-36 |
| 文件页数： | 23/45页 |
| 文件大小： | 494K |
| 代理商： | CX24118A-12Z |
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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
:
相关PDF资料 |
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| DAMM | FEMALE; MALE, D SUBMINIATURE CONNECTOR, SOLDER, PLUG; RECEPTACLE |
| DBMM | FEMALE; MALE, D SUBMINIATURE CONNECTOR, SOLDER, PLUG; RECEPTACLE |
| DCMM | FEMALE; MALE, D SUBMINIATURE CONNECTOR, SOLDER, PLUG; RECEPTACLE |
| DDMM | FEMALE; MALE, D SUBMINIATURE CONNECTOR, SOLDER, PLUG; RECEPTACLE |
| DEMM | FEMALE; MALE, D SUBMINIATURE CONNECTOR, SOLDER, PLUG; RECEPTACLE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CX24118A-12Z,518 | 功能描述:调谐器 IC SATELLITE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: |
| CX24118A-12Z,557 | 功能描述:调谐器 IC SATELLITE TUNER DGTL RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: |
| CX24123 | 制造商:CONEXANT 制造商全称: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 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| CX24123-11,557 | 功能描述:IC DEMODULATOR/DECODER 64-TQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
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