Furuno CH-270 - PRA Board (06 P0259); Block Diagram of PRA Board

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1.3.4 PRA Board (06P0259)
The preamplifier (PRA) board, 06P0259 locates in the transceiver unit. Figure 1.6 shows the
block diagram of PRA board.
From Transmitter
Matching
Transformer
Trap Circuit
To Transducer
Resonance Circuit
Pre-Amplifier
Receiving
Signal Output
Figure 1.6 Block Diagram of PRA board