Datasheet > ZNBG4003

ZNBG4003

更新时间： 2024-10-30 06:01:27

品牌	Logo	应用领域
美台 - DIODES		放大器控制器
页数	文件大小	规格书
7页	165K
描述
4 STAGE FET LNA BIAS CONTROLLER

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中文翻译

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数据手册

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ZNBG4003 数据手册

A Product Line of

Diodes Incorporated

ZNBG4003

4 STAGE FET LNA BIAS CONTROLLER

Summary

The ZNBG4003 is a four stage depletion mode FET bias controller intended primarily for satellite Low Noise Block’s (LNB’s), but

its also suitable for other LNA applications such as those in found in PMR’s and microwave links. The ZNBG4003 provides each

FET with a negative gate voltage and positive drain voltage with user programmable drain current.

Features

Pin Assignments

•

Four stage FET bias controller

Operating range of 5.0V to 8.0V

FET drain voltages set at 2.0V

FET drain current selectable from 0 to 15mA

V_CC

Allows first and second stage FETs to be run at different

(optimum) drain currents

GND

R_CAL1

•

FET drain voltages and currents stable over temperature

FETs protected against overstress during power-up and

power-down.

Top View

•

Internal negative supply generator allowing single supply

operation (available for external use)

Low external component count

C_SUB

Applications

Bottom View

•

Two single type Twin LNB’s

•

Twin LNB’s

Quad LNB’s

Microwave links

PMR and Cellular telephone systems

Single Universal LNB System Diagram

Gain stages

GaAs FET’s

Down

Converter

IF Switching, gain

and control

ZNBG

ZXHF

5002

4003

1 of 7

www.diodes.com

August 2010

ZNBG4003

Document number: DS35007 Rev. 1 - 2

12 3 4 5 6 7

中文翻译

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