NAUTEL NAA25B Broadcasting AM Modulator/Power Amplifier Assembly
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A number of modules are in scheduled service.
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There are three identical modulator/power amplifiers in AM power subsystem module. Each modulator/power amplifier provides up to 458 Watts of unmodulated RF power to the AM power subsystem module's output, and contains:
Logic Level Converter
Modulator
Power Amplifier
Low Pass Filter
Current Imbalance Detector
Temperature sensor
Fault Switch.
NAUTEL NAA25B Power Amplifier/Modulator

NAUTEL NAA25B Power Amplifier/Modulator

NAUTEL NAA25B Serial Number 1

NAUTEL NAA25B Serial Number 1

NAUTEL NAA25B Serial Number 2

NAUTEL NAA25B Serial Number 2

NAUTEL NAA25B Serial Number 3

NAUTEL NAA25B Serial Number 3

NAUTEL NAA25B Serial Number 4

NAUTEL NAA25B Serial Number 4

NAUTEL NAA25B Serial Number 5

NAUTEL NAA25B Serial Number 5

NAUTEL NAA25B Power Amplifier/Modulator under test. Failed

NAUTEL NAA25B Power Amplifier/Modulator under test. Failed

NAUTEL NAA25B Modulator PCB

NAUTEL NAA25B Modulator PCB

NAUTEL NAA25B Modulator PCB. Missing Transistor

NAUTEL NAA25B Modulator PCB. Missing Transistor

NAUTEL NAA25B Modulator Driver IC Damaged

NAUTEL NAA25B Modulator Driver IC Damaged

NAUTEL NAA25B Modulator Driver IC Damaged 1

NAUTEL NAA25B Modulator Driver IC Damaged 1

NAUTEL NAA25B Modulator Driver IC Damaged 2

NAUTEL NAA25B Modulator Driver IC Damaged 2

NAUTEL NAA25B Modulator Output FET. Faulty

NAUTEL NAA25B Modulator Output FET. Faulty

NAUTEL NAA25B Modulator Cover damaged by arcing

NAUTEL NAA25B Modulator Cover damaged by arcing

NAUTEL NAA25B Power Amplifier/Modulator under test. Passed

NAUTEL NAA25B Power Amplifier/Modulator under test. Passed

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General Description
22.07.16
Contact us for repair quote.