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MAX2023
高动态范围、直接上/下变频转换器，提供1500MHz至2300MHz正交调制/解调
高线性度、低噪声1.5GHz至2.3GHz ZIF调制器/解调器，为DCS/PCS EDGE BTS收发器提供零中频直接变换架构
概述
完整的数据资料
(PDF, 268kB) 中文
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MAX2023为低噪声、高线性度、直接上变频/下变频正交调制/解调器，可应用于单载波与多载波1500MHz至2300MHz DCS 1800/PCS 1900 EDGE、cdma2000®、WCDMA和PHS/PAS基站。直接变频结构与传统的基于中频(IF)的二次变频系统相比具有一定优势，可以显著降低发送器或接收器的成本，减少元件的数量并降低功率损耗。
关键特性
应用/使用
1500MHz至2300MHz RF频率范围
功率可调：外部电流设置电阻提供器件低功耗/低性能工作模式选项
36引脚、6mm x 6mm的TQFN小型封装，具有高隔离度调制器工作：
POUT = +6dBm，偏移600kHz处，符合GSM的杂散辐射指标：-75dBc
+23.5dBm的典型OIP3
+61dBm的典型OIP2
+16dBm的典OP1dB
-54dBm的典型LO泄漏
48dBc的典型边带抑制
-165dBc/Hz的输出噪声密度
450MHz的宽带基带输入可直接与发射DAC接口，无需昂贵的I/Q缓冲放大器
DC耦合输入允许用户调节失调电压解调器工作：
+38dBm的典型IIP3
+59dBm的典型IIP2
+30dBm的IP1dB
9.5dB的典型变频损耗
9.6dB的典型噪声系数
0.025dB的典型I/Q增益不平衡
0.56°的典型I/Q相位不平衡
电缆调制解调器终端系统(CMTS) 数字与扩频通信系统 固定宽带无线接入 微波链路 军用系统 PHS/PAS基站 预校正发射机与接收机 单载波与多载波cdmaOne™和cdma2000基站 单载波与多载波WCDMA/UMTS基站 单载波DCS 1800/PCS 1900 EDGE基站 视频点播(VOD)与DOCSIS®兼容的边沿QAM调制
Key Specifications:
I/Q Demodulators
Part Number
Solutions
Applications
Band/Freq (MHz)
Features
Footprint (mm x mm)
RoHS Available
Package
Price**
MAX2023
1800MHz
• 1500-2300MHz Direct Conversion (Zero IF) Base Station Receivers
• Fixed Broadband Wireless Access
• Predistortion Transmitters
• Single and Multicarrier WCDMA/UMTS, cdma2000, DCS/PCS EDGE, WiMAX, and PHS/PAS Base Stations
1500 to 2300
• -174dBm/Hz Typical Output Noise, Eliminating the Need for an RF Output Filter
• -54dBm Typical LO Leakage
• 0.025dB Typical I/Q Gain Imbalance
• 0.56° I/Q Typical Phase Imbalance
• 48dBc Typical Sideband Suppression
• 9.5dB Typical Conversion Loss
• Broadband Baseband Input
• DC-Coupled Input Provides for Direct Launch
• Meets 4-Carrier WCDMA 65dBc ACLR
• Performance Scalable with Power
6.0 x 6.0
Yes
THIN QFN/36
$4.98 @ 1k
See All I/Q Demodulators (3)
Key Specifications:
I/Q Modulators
Part Number
Solutions
Applications
Min. Frequency (MHz)
Max. Frequency (MHz)
Features
Footprint (mm x mm)
RoHS Available
Package
Price**
MAX2023
1800MHz
• 1500-2300MHz Direct Conversion (Zero IF) Base Station Receivers
• Fixed Broadband Wireless Access
• Predistortion Transmitters
• Single and Multicarrier WCDMA/UMTS, cdma2000, DCS/PCS EDGE, WiMAX, and PHS/PAS Base Stations
1,500
2,300
• -174dBm/Hz Typical Output Noise, Eliminating the Need for an RF Output Filter
• -54dBm Typical LO Leakage
• 0.025dB Typical I/Q Gain Imbalance
• 0.56° I/Q Typical Phase Imbalance
• 48dBc Typical Sideband Suppression
• 9.5dB Typical Conversion Loss
• Broadband Baseband Input
• DC-Coupled Input Provides for Direct Launch
• Meets 4-Carrier WCDMA 65dBc ACLR
• Performance Scalable with Power
6.0 x 6.0
Yes
THIN QFN/36
$4.98 @ 1k
See All I/Q Modulators (3)
Notes:
** This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
参考文献： 19-0564;
Rev. 0;
2006-08-17
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