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1-8
CHAPTER 1 Overview
Multiplexed
Series 3900 Sonar System Operations and Maintenance Manual
Multiplexer board
Power Splitter
200VDC
Data
Multiplexer
Data
Transmit Control
and
TVG Generator
Figure 1-4:
Towfish Power Supply
-15
+5 +15
High Frequency Transceiver Board
Low Frequency Transceiver Board
Heading, Pitch, Roll Module
Towfish Electronics Block Diagram
Tow Cable
Data and 200 VDC
(900 kHz)
Port Transducer
Starboard Transducer
(445 kHz)
Pressure Sensor (Optional)
P/N 11210085, Rev. 01
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