Cable AML Inc ITX21-100 User Manuals

Table of Contents

• 1.0 INTRODUCTION

  1
• 2.0 CIRCUIT DESCRIPTION

  7
• 2.1 Upconverter Section

  7
• 2.2 Power Amplifier Chains

  7
• 2.3 Power Supply Assembly

  8
• 2.4 Diagnostic Circuits

  8
• 2.5 On-Delay Timer Assembly

  8
• 3.0 INSTALLATION

  9
• 3.1 Unpacking

  9
• 3.2 Location

  9
• 3.3 Input Voltage Requirements

  9
• 3.4 Operating and Diagnostic Connections

  9
• 4.0 OPERATION

  13
• 4.1 Output Level Setting

  13
• 4.2 Ambient Conditions

  14
• 4.3 Thermal Sensor Switch

  14
• 5.0 MAINTENANCE AND TROUBLESHOOTING

  15
• 5.1 Maintenance

  15
• 5.2 External Troubleshooting

  15
• 5.3 Internal Troubleshooting

  16
• 6.0 SPECIFICATIONS

  19
• ITX21-100 Broadband Transmitter

  2
• ITX21-100 Component Layout.

  3
• ITX21-100 Block Diagram.

  5
• DC Diagnostics Switch Positions.

  8
• Front Panel Connection Points

  10
• Rear Panel Connection Points.

  11
• Output Level Adjustment.

  13
• Typical Channel Loading for ITX21-100 Input/Output Levels

  10