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424-86A-03-48
BIRD 424-86A-03-48 Amplifier Manuals
Manuals and User Guides for BIRD 424-86A-03-48 Amplifier. We have
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BIRD 424-86A-03-48 Amplifier manual available for free PDF download: Installation And Operation Manual
BIRD 424-86A-03-48 Installation And Operation Manual (36 pages)
AutoQuad Tower-Top Amplifier System
Brand:
BIRD
| Category:
Amplifier
| Size: 1 MB
Table of Contents
Table of Contents
5
General Description
7
Figure 1: Front View of the Tower-Top Box
7
Figure 2A: Top View of the Multicoupler Unit (MCA)
8
Figure 2B: Front View of the MCA
8
Figure 2C: Back View of the MCA
8
Unpacking
10
Pre-Installation Checkout
10
Mechanical Inspection
10
Pre-Installation Static Sensitivity Testing
10
Figure 3: Test Equipment Interconnection for "Bench Testing
10
Installation
12
Interference and Intermodulation Considerations
12
Figure 4: Cable Connections for System Components
12
Figure 5: System Installation Guidelines
13
Installing the System
14
Installing the Tower-Top Box
14
Figure 6: Tower-Top Box Mechanical Details
14
Figure 7: Application of Rubber Splicing Tape
14
Installing the Multicoupling Amplifier
15
Figure 8: Alarm and Power Terminals
15
About Reserve Gain and Attenuation
16
Determining Needed Attenuation
16
Setting Reserve Attenuation
17
About Multicoupler Gain and Attenuation
17
Setting Multicoupler Attenuation
17
Post Installation Tests
17
Installed Sensitivity Test
18
Calculate Cable Loss
18
Figure 9: Installed Sensitivity Test
18
Tri-Mode Test Port
19
Figure 10: Measuring Test Port Sensitivity with Dummy Load
19
Test Port Sensitivity with Dummy Load (Mode 1)
20
Test Port Sensitivity with Antenna (Mode 0)
20
Figure 11: Measuring Test Port Sensitivity with Antenna
20
Figure 12: Testing Output Spectrum
21
Figure 13: Maximum Signal Level Mask
21
Spectrum Analysis
22
Antenna Sweep Test (Mode 2)
22
Figure 14: Antenna Sweep Test
22
Routine Operation
23
Signal Flow
23
Tower-Top Box
23
Multicoupling Amplifier
23
Figure 15: Block Diagram of Tower Box
24
Figure 16: Block Diagram of the MCA
25
System Status Monitoring
26
LCD Display
26
Status-Indicator Leds
26
Form-C Contacts
26
Alarms
27
Warning
27
Failure
27
System Troubleshooting
27
Performance Degradation
27
Hardware Problems
27
Logic Circuit Failure
28
AC Line Fuse
28
Optional Preselector Filters
29
Maintenance
29
Recommended Spare Parts
29
Amplifier Replacement
29
Tower-Top Box
29
Multicoupling Amplifier
30
Figure 17: Connecting the Optional Preselector
30
Options
31
Narrowband Preselector Filter
31
Receiver Multicoupler Expansion Deck
31
Figure 18: Optional 16-Port Expansion Deck
31
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