SX1211
WIRELESS & SENSING
DATA
VR_PA
[V]
PA Output
power
95 %
60 dB
t VR_PA
t PA_OUT
t VR_PA
t PA_OUT
95 %
60 dB
Figure 10: PA Control
3.3.7.2. Optimum Load Impedance
As the PA and the LNA front-ends in the SX1211 share the same Input/Output pin, they are internally matched to
approximately 50 ? .
Pmax-1dB circle
Max Power
Zopt = 30+j25 ?
Figure 11: Optimal Load Impedance Chart
Please refer to the reference design section for an optimized PA load setting.
Rev 8 – February 2013
Page 21 of 92
www.semtech.com
相关PDF资料
SX1223SK868 KIT STARTER FOR XE1223 868MHZ
SX1701BI085TRT IC AMP 2.5GHZ 5.3V 16-MLPQ
TA002-10002 LED HEATSINK W/FAN 12V 40X10MM
TC620HEPA IC TEMP SNSR 5V DUAL TRIP 8-DIP
TC623CVOA713 IC TEMP SNSR 3V DUAL TRIP 8-SOIC
TC624VOA IC TEMP SNSR PROG 2.7V 8SOIC
相关代理商/技术参数
SX1212 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Ultra-Low Power Integrated 300-510MHz Transceiver
SX1212-11SKA433 制造商:Semtech Corporation 功能描述:SX1212 433Mhz USB Kit With 2 SX1212-01SKA433SMA, Antenna Connector, RS232 Cable
SX1212-12SKA433 制造商:Semtech Corporation 功能描述:2 X SX1212SKA 制造商:Semtech Corporation 功能描述:Deluxe USB Starter Kit for SX1212, Includes Two USB Interface Boards at 433MHz 制造商:Semtech 功能描述:2 X SX1212SKA
SX1212-DK7A433 制造商:Semtech Corporation 功能描述:Evaluation Board for SX1212 Transceiver
SX1212IWLTRT 功能描述:IC TXRX 300MHZ-510MHZ 32-TQFN RoHS:是 类别:RF/IF 和 RFID >> RF 收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:30 系列:- 频率:4.9GHz ~ 5.9GHz 数据传输率 - 最大:54Mbps 调制或协议:* 应用:* 功率 - 输出:-3dBm 灵敏度:- 电源电压:2.7 V ~ 3.6 V 电流 - 接收:* 电流 - 传输:* 数据接口:PCB,表面贴装 存储容量:- 天线连接器:PCB,表面贴装 工作温度:-25°C ~ 85°C 封装/外壳:68-TQFN 裸露焊盘 包装:管件
SX1213 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Ultra-Low Power Integrated UHF Receiver
SX1213IWLTRT 制造商:Semtech Corporation 功能描述: 制造商:Semtech Corporation 功能描述:SX1213 Series 510 MHz 200 Kbps Ultra-Low Power Integrated UHF Receiver - TQFN-32
SX1223 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:425 - 475 MHz / 850 - 950 MHz Integrated UHF Transmitter