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MAX2021
高动态范围、直接上/下变频转换器，提供750MHz至1200MHz正交调制/解调
高线性度、低噪声、1GHz ZIF调制器/解调器，支持4载波WCDMA Tx
概述
完整的数据资料
(PDF, 216kB) 中文
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MAX2021是一款低噪声、高线性度、直接上变频/下变频、正交调制/解调器，适用于手持RFID、便携式读卡器以及750MHz至1200MHz的单载波/多载波GSM/EDGE、cdma2000®、WCDMA和iDEN®基站。与传统的二次变频结构相比，直接变频结构可显著降低发射/接收机成本，减小系统尺寸、降低功耗。
关键特性
应用/使用
750MHz至1200MHz RF频率范围
可选择功率模式：通过外部电阻设置器件工作在低功耗/低性能模式
36引脚、(6mm x 6mm)、TQFN封装，提供高隔离度 满足4载波WCDMA的65dBc ACLR要求
OIP3典型值：+21dBm
OIP2典型值：+58dBm
OP1dB 典型值：+16.7dBm
LO泄漏典型值：-32dBm
边带抑制典型值：43.5dBc
输出噪声谱密度：-174dBm/Hz
DC至300MHz基带输入可直接与DAC连接，减少了I/Q缓冲器的成本
直流耦合输入允许用户控制失调电压 IIP3典型值：+35.2dBm
IIP2典型值：+76dBm
IP1dB 典型值：> 30dBm
转换损耗典型值：9.2dB
NF典型值：9.3dB
I/Q增益平衡：0.06dB
I/Q相位平衡：0.15°
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 GSM 850/GSM 900 EDGE基站 微波链路 军用系统 预校正发射机与接收机 RFID手持产品或入口读卡器 单载波与多载波cdmaOne™和cdma2000基站 单载波与多载波WCDMA 850基站 视频点播(VOD)与DOCSIS®兼容的边沿QAM调制 WiMAX发射机与接收机
Key Specifications:
I/Q Demodulators
Part Number
Solutions
Applications
Band/Freq (MHz)
Features
Footprint (mm x mm)
RoHS Available
Package
Smallest Available Package (max w/pins) (mm2 )
Price**
MAX2021
1200MHz CMTS
• 750-1200MHz Direct Conversion (Zero IF) Base Station and RFID Receivers
• CMTS (Cable Modem Termination Systems)
• Fixed Broadband Wireless Access
• Predistortion Transmitters
• Single and Multicarrier GSM/EDGE, WCDMA, cdma2000, and WiMAX Base Stations
750 to 1200
• -174dBm/Hz Typical Output Noise, Eliminating the Need for an RF Output Filter
• -32dBm Typical LO Leakage
• 0.06dB Typical I/Q Gain Imbalance
• 0.15° I/Q Typical Phase Imbalance
• 40dBc Typical Sideband Suppression
• 9.2dB 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
37
$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
Smallest Available Package (max w/pins) (mm2 )
Price**
MAX2021
1200MHz CMTS
• 750-1200MHz Direct Conversion (Zero IF) Base Station and RFID Receivers
• CMTS (Cable Modem Termination Systems)
• Fixed Broadband Wireless Access
• Predistortion Transmitters
• Single and Multicarrier GSM/EDGE, WCDMA, cdma2000, and WiMAX Base Stations
750
1,200
• -174dBm/Hz Typical Output Noise, Eliminating the Need for an RF Output Filter
• -32dBm Typical LO Leakage
• 0.06dB Typical I/Q Gain Imbalance
• 0.15° I/Q Typical Phase Imbalance
• 40dBc Typical Sideband Suppression
• 9.2dB 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
37
$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.
图表
典型工作电路
参考文献： 19-3918;
Rev. 0;
2006-04-05
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