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Low-Cost RF Up/Downconverter
with LNA and PA Driver
Standby Mode
When the TXEN and RXEN pins are both set to logic 1,
all functions are disabled and the supply current drops
to 160μA (typical). This mode is called standby, and it
corresponds to a standby mode on the compatible IF
transceiver chips MAX2510 and MAX2511.
Applications Information
Extended Frequency Range
The MAX2410 has been characterized at 1.9GHz for use
in PCS-band applications; however, it operates over a
much wider frequency range. The LNA gain and noise
figure, as well as mixer conversion gain, are plotted over
a wide frequency range in the Typical Operating
Characteristics. When operating the device at RF fre-
quencies other than those specified in the AC Electrical
Characteristics table, it may be necessary to design or
alter the matching networks on the RF ports. If the IF
frequency is different than that specified in the AC
Electrical Characteristics table, the IFIN and IFOUT
matching networks must be altered. The Typical
vs. Frequency on all RF and IF pins for use in designing
matching networks. The LO port (LO and LO ) is internally
terminated with 50 ? resistors and provides a VSWR of
approximately 1.2:1 to 2GHz and 2:1 up to 3GHz.
Layout Issues
A properly designed PC board is an essential part of
any RF/microwave circuit. Be sure to use controlled
impedance lines on all high-frequency inputs and out-
puts. Use low-inductance connections to ground on all
GND pins, and place decoupling capacitors close to all
V CC connections.
For the power supplies, a star topology works well. In a
star topology, each V CC node in the circuit has its own
path to the central V CC , and its own decoupling capaci-
tor which provides a low impedance at the RF frequen-
cy of interest. The central V CC node has a large
decoupling capacitor as well, to provide good isolation
between the different sections of the MAX2410. The
MAX2410 EV kit layout can be used as a guide to inte-
grating the MAX2410 into your design.
Operating Characteristics provide Port Impedance Data
_________________________________________Typical Application Block Diagram
RF
BPF
MATCH
RX MIXER
ANTENNA
RF
BPF
T/R
LNAIN
RXEN
LNA
POWER
IFOUT
MATCH
IF
BPF
RECEIVE
IFOUT
TXEN
MANAGEMENT
LO
LOCAL
OSCILLATOR
PA DRIVER
MAX2410
LO
RF
BPF
MATCH
PADROUT
GC
TX MIXER
IFIN
CBLOCK
MATCH
IF
BPF
TRANSMIT
IFIN
RF
BPF
MATCH
______________________________________________________________________________________
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相关代理商/技术参数
MAX2411AE/D
功能描述:上下转换器 Low-Cost RF Up/Downconverter with LNA and PA Driver 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
MAX2411AEEI
功能描述:上下转换器 RF Up/Down Cnvrtr w/LNA & PA Driver 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
MAX2411AEEI+
功能描述:上下转换器 RF Up/Down Cnvrtr w/LNA & PA Driver 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
MAX2411AEEI+T
功能描述:上下转换器 RF Up/Down Cnvrtr w/LNA & PA Driver 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
MAX2411AEEI-T
功能描述:上下转换器 RF Up/Down Cnvrtr w/LNA & PA Driver 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
MAX2411AEVKIT
功能描述:射频开发工具 MAX2411A Eval Kit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
MAX24188ETK+
功能描述:时钟发生器及支持产品 IEEE1588 Clock RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56
MAX24188ETK+T
功能描述:时钟和定时器开发工具 Not Available From Mouser RoHS:否 制造商:Texas Instruments 产品:Evaluation Modules 类型:Clock Conditioners 工具用于评估:LMK04100B 频率:122.8 MHz 工作电源电压:3.3 V