SKY12329-350LF GaAs Digital Attenuator 5-Bit, 1 dB LSB 400 MHz–4 GHz

The SKY12329-350LF is a monolithic GaAs, binary-weighted, 5-bit, single positive control voltage digital attenuator which operates from 400 MHz–4 GHz. The attenuator has a least significant bit (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. This attenuator requires an external supply voltage of 2.7–5.5 V. The SKY12329-350LF is comprised of 5 fixed attenuators in cascade, each of which having a shunt bypass switch. Beginning at the LSB, which is 1 dB, 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, thereby

技术特性

Broadband: 400 MHz–4 GHz
Attenuation range: 31 dB
Least significant bit attenuation: 1 dB
Low insertion loss: 1.2 dB @ 900 MHz
Single positive control voltage: 2.7–5.5 V
Low current consumption: <100 μA @ 5 V
Small QFN-16 3 x 3 mm package with exposed paddle
Lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C
per JEDEC J-STD-020

订购信息 Ordering Information

SKY12329-350LF

应用领域 APPLICATION

Transceiver transmit automatic level control or receive automatic
gain control in WiMAX, GSM, CDMA, WCDMA, WLAN, Bluetooth®, Zigbee®, Land Mobile Radio Base stations or
Terminal Equipment
General purpose signal attenuation in telecommunications and instrumentation applications

功能框图 Functional Block Diagram

应用技术支持与电子电路设计开发资源下载	版本信息	大小
SKY12329-350LF 数据资料DataSheet下载:pdf	Rev.V2	2 页