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AN3012

更新时间： 2022-10-09 17:26:16

品牌	Logo	应用领域
泰科 - TE		放大器有线电视
页数	文件大小	规格书
4页	99K
描述
Electrical Characterization of MAAMSS0031 CATV Amplifier at +5 Volts and Reduced Gain

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AN3012 数据手册

Application Note

AN3012

Electrical Characterization of MAAMSS0031

CATV Amplifier at +5 Volts and Reduced Gain

Rev. V2

Abstract

Functional Schematic

GND

The MAAMSS0031 CATV amplifier is a GaAs MMIC

which exhibits low noise and high linearity. It is

ideally suited for set top boxes, home gateways, and

other broadband internet based appliances.

This amplifier is a monolithic single stage design in

a 75 ohm input/output impedance environment. It is

designed to have a reduced number of external

matching components. The MAAMSS0031 can also

be used for +8 volt operation as shown in the

datasheet.

Pin 1

Introduction

The purpose of this application note is to present the

typical performance of the MAAMSS0031 amplifier

when it is operated at +5 volts. It is intended as an

aid to engineers for the implementation of the

MAAMSS0031 in set top box applications at 5 volts.

An enhanced return loss circuit similar to that shown

on page 4 of the data sheet is used for the small

signal measurements.

RF_OUT

RF_INGND

Electrical Specifications: T_A= 25°C, Freq: 50 - 1000 MHz, V_DD= +5 Volts, Z₀= 75 Ohms

Parameter

Gain

Test Conditions

Units

Min.

—

Typ.

9.7

0.5

2.7

Max.

—

Gain Flatness

—

Noise Figure

—

Input Return Loss

Output Return Loss

Output IP3

—

6 MHz Spacing, -10 dBm output per tone

132 channels, +23 dBmV/channel at the output.

dBm

dBc

dBm

—

Composite Triple Beat, CTB

Composite Second Order, CSO

P1dB

—

-75

-66

—

I_DD

+ 5 Volts

—

100

—

• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400

• India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588

Visit www.macomtech.com for additional data sheets and product information.

M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make

changes to the product(s) or information contained herein without notice.

12 3 4

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