Diodes ZLNB2015 User Manual download pdf

ZLNB2015

Document number: DS32061 Rev. 1 - 2

1 of 7

www.diodes.com

January 2010

NEW PRODUCT

Product Line o

Diodes Incorporated

ADVANCED DBS DUAL CHANNEL VOLTAGE AND TONE DETECTOR

Summary

The ZLNB2015 is a dual channel polarisation (voltage) and band select (tone) detector IC, primarily for satellite applications such

as Low Noise Blocks (LNBs) and satellite distribution systems. An optimised design provides a low supply current and a wide

operating voltage whilst increasing performance and reliability. The ZLNB2015 offers excellent interference rejection with

minimal application cost and packaged in the 3x3mm QFN it provides a very small solution.

Features

• Two high accuracy polarisation voltage detection meeting

the most stringent market needs

• Two robust, interference tolerant 22kHz tone detection

(without external signal filtering)

• “No Receiver” detect function for power saving and

isolation control

• Low quiescent supply current, 2mA typical

• Wide operating supply voltage 3V to 8V

• Low external component count minimises application

cost

• True and inverted outputs to support popular multiplexer

ICs

Pin Assignments

Application

• Twin Universal LNBs

• Quad Universal LNBs

• Multi Output LNBs

• Satellite Multi-Switches

Twin Universal LNB System Diagram

Top View

Bottom View

BTD1

BTD2

TD2

FIN1TD1

VCC

VPOL2

FIN2

VPOL1

ENA1

HOR1

BHOR1

ENA2

GND

HOR2

BHOR2

GND

4x2

MUX

ZLPM

Series

Vout

IF Gain IF Switching IF Gain,

LNB Control &

Power Mgt.

Down

Conversion

Set-top box

Receiver 1

Set-top box

Receiver 2

ZABG

Series

ZLNB

2015

RF Gain Stages

GaAs FET’s

1 2 3 4 5 6 7

Summary of Contents

ZLNB2015 ZLNB2015 Document number: DS32061 Rev. 1 - 2 1 of 7 www.diodes.com January 2010© Diodes Incorporated NEW PRODUCT A Product Line ofDiodes I

Page 2 - Device Description

ZLNB2015 ZLNB2015 Document number: DS32061 Rev. 1 - 2 2 of 7 www.diodes.com January 2010© Diodes Incorporated NEW PRODUCT A Product Line ofDiodes I

Page 3

ZLNB2015 ZLNB2015 Document number: DS32061 Rev. 1 - 2 3 of 7 www.diodes.com January 2010© Diodes Incorporated NEW PRODUCT A Product Line ofDiodes I

Page 4 - Test Circuit

ZLNB2015 ZLNB2015 Document number: DS32061 Rev. 1 - 2 4 of 7 www.diodes.com January 2010© Diodes Incorporated NEW PRODUCT A Product Line ofDiodes I

Page 5 - Diodes Incorporated

ZLNB2015 ZLNB2015 Document number: DS32061 Rev. 1 - 2 5 of 7 www.diodes.com January 2010© Diodes Incorporated NEW PRODUCT A Product Line ofDiodes I

Page 6

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Page 7

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