收藏本站

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,
t ypically 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 Prod uct Information are Subject to Change Without Notice ? January 17, 2011
1
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
SKY13251-349LF IC SWITCH SP3T GAAS 8QFN
SKY13267-321LF IC SWITCH DIVERS LF-6GHZ 12-QFN
SKY13268-344LF IC SW SPDT 300K-3GHZ SOT-666
SKY13272-340LF-EVB IC SW 4X2 250MHZ-2.15GHZ 20-QFN
SKY13306-313LF IC SWITCH SPDT 100M-6GHZ 6-QFN
SKY13316-12LF IC SW SPST 300K-2.5GHZ 8-SOIC
SKY13321-360LF IC SW SPDT 0.1-3.0GHZ GAAS 8QFN
SKY13335-381LF IC SE SPDT 0.1-6.0GHZ GAAS 6MLPD
相关代理商/技术参数
SKY12340-364LF 功能描述:信号调节 30KHz-2.0GHz Attn 15.5dB .5dB Stp RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel
SKY12340-364LF_EVB 制造商:Skyworks Solutions Inc 功能描述:Eval Board for SKY12340-364LF, Bulk
SKY12340-364LFB 制造商:Skyworks Solutions Inc 功能描述:ATTENUATOR - DIGITALLY CONTROLLED
SKY12340-364LF-EVB 功能描述:BOARD EVAL FOR SKY12340-364 RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
SKY12343-364LF 功能描述:衰减器 -IC .01-4.0GHz .25dB LSB Attn 31.75dB IL3.0dB RoHS:否 制造商:Skyworks Solutions, Inc. 最大衰减:18 dB 容差: 阻抗: 功率额定值:30 dBm 安装风格:SMD/SMT 工作温度范围:- 40 C to + 85 C
SKY12343-364LFB 制造商:Skyworks Solutions Inc 功能描述:ATTENUATOR - DIGITALLY CONTROLLED
SKY12343-364LF-EVB 功能描述:BOARD EVAL FOR SKY12343-364 RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
SKY12345-362LF 功能描述:衰减器 -IC .7-4.0GHz .5dB LSB Attn 15.5dB IL 1dB RoHS:否 制造商:Skyworks Solutions, Inc. 最大衰减:18 dB 容差: 阻抗: 功率额定值:30 dBm 安装风格:SMD/SMT 工作温度范围:- 40 C to + 85 C