Edgetech Model 3100P Sub-bottom Sonar System Manual download pdf (Page 23)

990-0000058-1000 Rev F Page 23

3.5. Power Amplifier

The power amplifier receives the analog transmit signal from the sonar/IDE interface

board. The transmit signal is then amplified by a step-up transformers and 3-Stage “H-

Bridge Amplifier Circuit”. The analog transmit signal is sent down the tow cable to the

tow fish.

3.6. Power Board

The power board generates the assorted voltages required by the subassemblies inside the

topside unit. The assorted voltages are derived from input power which can be +12 VDC,

120VAC or 240VAC.

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Edgetech Model 3100P Sub-bottom Sonar System Manual Page 23