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SKY12339-350LF PDF预览

SKY12339-350LF

更新时间: 2024-09-30 19:50:51
品牌 Logo 应用领域
思佳讯 - SKYWORKS 衰减器射频微波
页数 文件大小 规格书
11页 831K
描述
Fixed Attenuator, 400MHz Min, 3000MHz Max, 2.6dB Insertion Loss-Max, 3 X 3 MM, GREEN, QFN-16

SKY12339-350LF 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:ObsoleteReach Compliance Code:unknown
风险等级:8.03标称衰减:31 dB
特性阻抗:50 Ω构造:COMPONENT
最大输入功率 (CW):45.19 dBm最大插入损耗:2.6 dB
JESD-609代码:e3最大工作频率:3000 MHz
最小工作频率:400 MHz最高工作温度:85 °C
最低工作温度:-40 °C射频/微波设备类型:FIXED ATTENUATOR
端子面层:Matte Tin (Sn)Base Number Matches:1

SKY12339-350LF 数据手册

 浏览型号SKY12339-350LF的Datasheet PDF文件第2页浏览型号SKY12339-350LF的Datasheet PDF文件第3页浏览型号SKY12339-350LF的Datasheet PDF文件第4页浏览型号SKY12339-350LF的Datasheet PDF文件第5页浏览型号SKY12339-350LF的Datasheet PDF文件第6页浏览型号SKY12339-350LF的Datasheet PDF文件第7页 
DATA SHEET  
SKY12339-350LF: 0.4-3.0 GHz 5-Bit Digital Attenuator  
(1 dB LSB)  
Applications  
®
®
WiMAX, GSM, CDMA, WCDMA, WLAN, Bluetooth , Zigbee , and  
mobile radio base stations or terminal equipment  
Telecommunications and instrumentation  
Features  
Broadband operation: 0.4 to 3.0 GHz  
Attenuation: 31 dB  
LSB attenuation: 1 dB  
Low insertion loss: 1.2 dB @ 900 MHz  
Positive voltage operation: 4.5 to 5.5 V  
Low current consumption: 1.5 mA typical @ 5 V  
Small, QFN (16-pin, 3 x 3 mm) package (MSL1, 260 °C per  
JEDEC J-STD-020)  
Figure 1. SKY12339-350LF Block Diagram  
Description  
The SKY12339-350LF is a monolithic, GaAs binary-weighted five-  
bit single positive control voltage digital attenuator. The device  
operates from 0.4 to 3.0 GHz. DC power consumption is very low,  
typically 1.5 mA, with a supply voltage of 5 V.  
The SKY12339-350LF has an LSB of 1 dB and total attenuation of  
31 dB. The two RF ports are bilateral; each can be used as the RF  
input or the RF output. An external supply voltage of 4.5 to 5.5 V is  
required.  
The SKY12339-350LF is comprised of five cascaded fixed  
attenuators, each of which has a shunt bypass switch. Beginning  
at the 1 dB LSB, each succeeding fixed attenuator produces twice  
the attenuation of the preceding stage.  
The state of each bypass switch is controlled by the logic level  
voltage applied to the associated control voltage input. A logic  
high voltage closes the associated switch, which bypasses that  
fixed attenuator stage; a logic low opens the switch to force the  
input signal to that stage through the associated attenuator.  
A functional block diagram is shown in Figure 1. The pin  
configuration and package are shown in Figure 2. Signal pin  
assignments and functional pin descriptions are provided in  
Table 1.  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
201143C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 17, 2011  
1

SKY12339-350LF 替代型号

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