User's Manual

ManualsBrandsBird Technologies Group ManualsElectronicsSIGNAL BOOSTER

Table Of Contents

Table of Contents Manual 7-9408-1.2 07/25/05

61-38-05 UserMan page 5 of 38

Table of Contents

Section 1

Introduction ......................................................................................................... 1

Note About Output Power Rating ........................................................................ 3

Installation............................................................................................................ 3

Cautionary Notes ................................................................................................. 4

Pre-RF Connection Tests.................................................................................... 4

Test Equipment ................................................................................................... 5

Antenna Isolation ................................................................................................. 5

Procedure for Measuring Antenna Isolation ........................................................ 5

Increasing Isolation.............................................................................................. 6

Input Signal Levels .............................................................................................. 6

Procedure for Measuring Input Signal Levels...................................................... 6

Reduction of Incoming Signal Strength ............................................................... 8

Setting Signal Booster Gain ................................................................................ 8

Gain Reduction Methods ..................................................................................... 8

Bypassing Amplifier Sections ............................................................................ 9

Operation.............................................................................................................. 9

Signal Flow........................................................................................................... 9

System Components.........................................................................................10

Passive Filtering ................................................................................................ 10

DC Regulator (3-5969) ...................................................................................... 11

OLC Assembly (3-6280) .................................................................................... 11

Pre-amplifier Stage (3-11423) ...........................................................................12

Driver Amplifier Stage (3-11423) .......................................................................13

Hi Power Amplifier Assembly (3-11792)............................................................13

Signal Sampler (3-6999).................................................................................... 13

Signal Sampler (3-3569).................................................................................... 13

DC Junction Box (3-6254) ................................................................................. 13

Power Supply Assembly (3-15503) ................................................................... 13

Performance Survey.......................................................................................... 14

Field Adjustments ............................................................................................. 14

Filter Tuning....................................................................................................... 15

Helical Preselectors........................................................................................... 16

Required Equipment........................................................................................ 16

Tuning Procedure ............................................................................................ 16

Bandpass Filters................................................................................................ 17

Required Equipment........................................................................................ 17

Tuning Procedure ............................................................................................ 17

Pseudo-Bandpass Filters ..................................................................................18

Required Equipment........................................................................................ 19

Tuning Procedure ............................................................................................ 19

Notch Filters ...................................................................................................... 20

Required Equipment........................................................................................ 20

Tuning Procedure ............................................................................................ 21

Single Section Amplifier Subassemblies ........................................................... 22

Amplifier Tuning...............................................................................................22

Required Equipment........................................................................................ 22

Adjustment Procedure ..................................................................................... 23

Output Level Control (OLC)............................................................................... 25

Checking for Overload.....................................................................................25