Ericsson 1/KRB 101 1108 Manuals

Ericsson 1/KRB 101 1108 Manuals

Manuals and User Guides for Ericsson 1/KRB 101 1108. We have 1 Ericsson 1/KRB 101 1108 manual available for free PDF download: Installation, Operation And Maintenance Instructions

Ericsson 1/KRB 101 1108 Installation, Operation And Maintenance Instructions

Ericsson 1/KRB 101 1108 Installation, Operation And Maintenance Instructions (34 pages)

MULTI-CARRIER POWER AMPLIFIER MCPA

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

Table of Contents

Table of Contents
4
1 General Description

6
Table 1. Performance Characteristics MCPA Power Amplifier

8
2 Installation

9
3 Operating Instructions

14
4 Principles of Operation

22
- Introduction
  22
- RF Input Signal
  22
- RF Output Load
  22
- System Functional Description
  22
- Main Amplifier
  24
- Error Amplifier
  24
- Amplitude and Phase Adjustment
  24
- Amplifier Module Cooling
  25
- Power Distribution
  25
- Intermodulation Distortion Performance
  25
- Intermodulation Distortion
  25
- Description of Operating Modes
  25
- Default Mode
  25
  - Standby Mode
    26
  - DC on Mode
    26
  - Enable Mode
    26
  - Shutdown Mode
    26
  - ALC Mode
    26
  - Locking Mode
    27
  - Description of Alarm Conditions
    27
  - LOOP Alarm
    27
  - VSWR Alarm
    27
  - TEMP/WARN Alarm
    27
  - PWR SPLY Alarm
    28
  - FAN Alarm
    28
  - OVER PWR Alarm
    28
Figure 5. Block Diagram, MCPA Power Amplifier

29
- 5 Maintenance
  
  30
- Introduction
  30
- Periodic Maintenance
  30
- Cleaning Air Inlets/Outlets
  31
- Performance Tests
  31
- Test Equipment Required
  31
Figure 6. MCPA Troubleshooting Flow Chart

33

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