ALM-38140

更新时间： 2024-09-28 06:36:55

品牌	Logo	应用领域
安华高科 - AVAGO		二极管衰减器
页数	文件大小	规格书
15页	968K
描述
50MHz - 4GHz PIN Diode Variable Attenuator Module

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ALM-38140 数据手册

ALM-38140

50MHz – 4GHz PIN Diode Variable Attenuator Module

Data Sheet

Description

Features

Avago Technologies’ ALM-38140 is a fully matched

wideband variable attenuator module with high linearity

performance and high dynamic range. The high dynamic

range and low phase shift can be achieved with only one

external inductor place between Linput and Loutput.

•ꢀ Fully integrated module

•ꢀ High dynamic range

•ꢀ Excellent Input IP3 performance

•ꢀ High Input P1dB compression

•ꢀ Low phase shift performance

•ꢀ Tape-and-Reel packaging option available

ALM-38140 is a fully integrated solution using Avago

Technologies’ low distortion silicon PIN diodes housed in

a miniature 3.8 x 3.8 x 1.0 mm MCOB (Multiple-Chips-On-

Board) package.

Speciﬁcations

Typical Performance at 1.9GHz

•ꢀ Attenuation : 39dB

•ꢀ Insertion Loss : 3.2dB

•ꢀ Input IP3 : 50dBm

•ꢀ Input P1dB : > 30dBm

This variable attenuator module is easily operated with

a constant voltage, Vsupply = 2.7V and a control voltage,

Vcontrol = 1 – 5V. No external biasing components

needed.

ALM-38140 is ideal for gain control in RF ampliﬁer

circuits.

Applications

Package Marking

•ꢀ Broadband system applications; such as CATV, WCDMA,

VSAT, WIMAX, Cellular base station.

•ꢀ General purpose voltage controlled attenuator for low

current applications.

•ꢀ Temperature compensation circuitry

•ꢀ Automatic Gain Control

38140

WWYY

XXXX

RF 2

RF 1

GND

Vsupply

Top View

Bottom View

Attention: Observe precautions for

handling electrostatic sensitive devices.

ESD Machine Model = 300 V

ESD Human Body Model = 900 V

Refer to Avago Application Note A004R:

Electrostatic Discharge, Damage and Control.

Note:

Package marking provides orientation and identiﬁcation

“38140” = Device Part Number

“WWYY” = Work week and year of manufacture

“XXXX” = Last 4 digit of assembly lot number

* RF1 and RF2 can be used either as RF input or RF output as they are

symmetrical.

12 3 4 5 6 7...15

中文翻译

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