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EVALUA
AVAILAB
19-4827; Rev 0; 10/09
TION KIT
LE
SiGe, High-Linearity, 2300MHz to 4000MHz
Downconversion Mixer with LO Buffer
General Description
The MAX19998 single, high-linearity downconversion
mixer provides 8.7dB of conversion gain, +24.3dBm
input IP3, +11.3dBm 1dB input compression point,
and a noise figure of 9.7dB for 2300MHz to 4000MHz
WiMAX K , LTE, and MMDS receiver applications. With
an ultra-wide LO 2600MHz to 4300MHz frequency
range, the MAX19998 can be used in either low-side
or high-side LO injection architectures for virtually all
2.5GHz and 3.5GHz applications. For a 2.5GHz vari-
ant tuned specifically for high-side injection, refer to the
MAX19996A.
In addition to offering excellent linearity and noise per-
formance, the MAX19998 also yields a high level of
component integration. This device includes a double-
balanced passive mixer core, an IF amplifier, and an LO
buffer. On-chip baluns are also integrated to allow for
single-ended RF and LO inputs. The MAX19998 requires
a nominal LO drive of 0dBm, and supply current is typi-
cally 230mA at V CC = 5.0V or 150mA at V CC = 3.3V.
The MAX19998 is pin compatible with the MAX19996/
MAX19996A 2000MHz to 3900MHz mixer family. The
device is also pin similar with the MAX9984/MAX9986/
MAX9986A 400MHz to 1000MHz mixers and the
MAX9993/MAX9994/MAX9996 1700MHz to 2200MHz
mixers, making this entire family of downconverters ideal
for applications where a common PCB layout is used for
multiple frequency bands.
The MAX19998 is available in a compact, 5mm x 5mm,
20-pin thin QFN with an exposed pad. Electrical perfor-
mance is guaranteed over the extended -40 N C to +85 N C
temperature range.
Applications
2.5GHz WiMAX and LTE Base Stations
2.7GHz MMDS Base Stations
3.5GHz WiMAX and LTE Base Stations
Fixed Broadband Wireless Access
Wireless Local Loop
Features
S 2300MHz to 4000MHz RF Frequency Range
S 2600MHz to 4300MHz LO Frequency Range
S 50MHz to 500MHz IF Frequency Range
S 8.7dB Conversion Gain
S 9.7dB Noise Figure
S +24.3dBm Typical Input IP3
S +11.3dBm Typical Input 1dB Compression Point
S 67dBc Typical 2RF - 2LO Spurious Rejection at
P RF = -10dBm
S Integrated LO Buffer
S Integrated RF and LO Baluns for Single-Ended
Inputs
S Low -3dBm to +3dBm LO Drive
S Pin Compatible with the MAX19996/MAX19996A
2000MHz to 3900MHz Mixers
S Pin Similar with the MAX9984/MAX9986/
MAX9986A Series of 400MHz to 1000MHz Mixers
and the MAX9993/MAX9994/MAX9996 Series of
1700MHz to 2200MHz Mixers
S Single 5.0V or 3.3V Supply
S External Current-Setting Resistors Provide Option
for Operating Device in Reduced-Power/Reduced-
Performance Mode
Ordering Information
PART TEMP RANGE PIN-PACKAGE
MAX19998ETP+ -40 N C to +85 N C 20 Thin QFN-EP*
MAX19998ETP+T -40 N C to +85 N C 20 Thin QFN-EP*
+ Denotes a lead(Pb)-free/RoHS-compliant package.
* EP = Exposed pad.
T = Tape and reel.
Private Mobile Radios
Military Systems
WiMAX is a trademark of WiMAX Forum.
_______________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
发布紧急采购，3分钟左右您将得到回复。
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相关代理商/技术参数
MAX19998ETP+T
功能描述:上下转换器 High-Gain 2.3GHz to 4.5GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
MAX19998EVKIT#
制造商:Maxim Integrated Products 功能描述:SIGE HIGH-LINEARITY 2300MHZ TO 4000MHZ DOWNCONVERSION MIXER - Boxed Product (Development Kits)
MAX19999A
功能描述:上下转换器
RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
MAX19999ETX+
功能描述:上下转换器 High-Gain 3GHz to 4GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
MAX19999ETX+T
功能描述:上下转换器 High-Gain 3GHz to 4GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
MAX1999EEI
功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX1999EEI+
功能描述:DC/DC 开关控制器 Quad Out Main Power Supply Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX1999EEI+T
功能描述:DC/DC 开关控制器 Quad Out Main Power Supply Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
