Glenayre GL-T8500 Manuals

Manuals and User Guides for Glenayre GL-T8500. We have 1 Glenayre GL-T8500 manual available for free PDF download: User Manual

Glenayre GL-T8500 User Manual

Glenayre GL-T8500 User Manual (46 pages)

Gold Line 250-Watt, 900-MHz Power Amplifier

Brand: Glenayre | Category: Amplifier | Size: 0 MB

Table of Contents

Table of Contents
3
Glenayre Document Number:
6
1 General

9
- Manual Scope
  9
- Applicable Documents
  9
- Manual Sections
  9
2 Specifications

11
3 Description

13
- Introduction
  13
- Physical Description
  13
  - Mounting Provisions
    13
  - PA Front
    13
    
    Driver Board
    13
    
    Figure 3-1 250-Watt, 900-Mhz Power Amplifier Front View
    13
    
    Figure 3-2 250-Watt, 900-Mhz Power Amplifier Rear View
    15
    
    PA Boards
    16
    
    Combiner Board
    16
    
    Metering Board
    16
  - PA Rear
    16
    
    Isolator
    16
    
    Fan
    16
    
    Equipment Connectors
    16
- Functional Description
  17
  - RF Amplifier
    17
  - Isolator
    17
  - Figure 3-3 PA Simplified-Block Diagram
    17
  - Metering
    18
4 Installation and Setup

19
- Installation
  19
- Setup
  19
- Ultimate Disposition
  19
5 Operation

21
- Controls and Indicators
  21
  - Turn PA on and off
    21
  - Turn Fan on and off
    21
  - Key and Unkey PA
    21
  - Figure 5-1 Front-Panel View with Cover Removed
    22
6 Theory of Operation

23
- Power Distribution
  23
  - Primary Power
    23
    
    Metering Board +25V Signal Flow
    23
    
    Power Amplifiers +25V Signal Flow
    23
  - Secondary Power
    24
    
    Metering Board +13.5V Signal Flow
    24
    
    Preamplifier Module +13.5V Signal Flow
    24
  - Fan Power
    24
- RF Distribution
  25
  - Driver Board RF Flow
    25
  - PA Board RF Flow
    26
  - Combiner Board RF Flow
    26
  - Isolator RF Flow
    26
- Control Distribution
  27
  - AGC Signal Flow
    27
  - Multiplexer Control Signal Flow
    27
- Status Distribution
  27
7 Maintenance

35
8 Checkout and Troubleshooting

37
9 Removal and Reinstallation

39

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