Vectronics VEC-1402DK Manual do Utilizador descarregar pdf (Página 3)

TABLE OF CONTENTS

Introduction.....................................................................................................2

Tools And Supplies .........................................................................................2

Before You Start Building...............................................................................3

Soldering Tips:.......................................................................................3

Desoldering Tips: ...................................................................................3

Work Habits: ..........................................................................................4

Sorting and Reading Resistors:...............................................................4

Reading Capacitors:................................................................................5

Diodes: ...................................................................................................5

Transistors:.............................................................................................6

Integrated Circuits: .................................................................................6

Parts List..........................................................................................................7

Parts Placement ...............................................................................................7

Step-By-Step Assembly Instructions...............................................................8

Testing and Alignment ....................................................................................13

Generator Method: .................................................................................13

Off-air Method: ......................................................................................14

Operation Instructions.....................................................................................15

Outdoor Preamp Installations:................................................................15

Building a Bias-T: ..................................................................................15

Balun Option T1:....................................................................................16

Feeding Balanced Antennas with the Balun: ..........................................18

Installing the VEC-1402DK in a Radio(and other considerations) ........18

External Power Sources:.........................................................................18

In Case Of Difficulty:......................................................................................19

Preamp Stops Amplifying:......................................................................19

Cannot Align or Test Preamp: ................................................................19

Voltmeter Checks:..................................................................................19

Theory Of Operation And Specifications........................................................20

Operation:...............................................................................................20

Specifications: ........................................................................................20

Schematic ........................................................................................................21

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Vectronics VEC-1402DK Manual do Utilizador Página 3