Motorola BT100 - Manual (Page 5)

ii Contents
BT100 Installation and Operation Manual
Thermal Drive Unit ........................................................................................................................................................3-10
Automatic Drive Unit/QAM Automatic Drive Unit ......................................................................................................3-11
ADU/QADU Pads and Levels .......................................................................................................................................3-12
Return Path Alignment...................................................................................................................................................................3-12
Before You Begin...................................................................................................................................................................3-12
Alignment Procedure ............................................................................................................................................................3-13
Powering and Surge Protection....................................................................................................................................................3-14
Section 4
Bench Testing
Before You Begin..............................................................................................................................................................................4-1
Test Equipment and Connections ..................................................................................................................................................4-1
Measuring Forward Gain.........................................................................................................................................................4-2
Example ...........................................................................................................................................................................4-2
Testing Return Gain and Response.......................................................................................................................................4-3
Completing the Test Procedures ...........................................................................................................................................4-4
Section 5
Installation
Aerial Installation..............................................................................................................................................................................5-1
Pedestal Installation.........................................................................................................................................................................5-3
Grounding the BT100 .......................................................................................................................................................................5-3
Section 6
Operating Tips
Using Amplifiers in Lower Frequency Systems ............................................................................................................................6-1
Using Amplifiers in Lower Gain Systems ......................................................................................................................................6-1
Appendix A
Specifications
Model BT100.....................................................................................................................................................................................A-1
AC Current........................................................................................................................................................................................A-2
RA-Kit/H Return Amplifier...............................................................................................................................................................A-2
ADU/QADU Automatic Drive Unit...................................................................................................................................................A-2
Appendix B
Torque Specifications
Abbreviations and Acronyms