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ART NUMBER FN091065, REVISION 2 VS5 N AND VS6 N SERVICE MANUAL
5-14 Section 5-3 - Front End Unit
PRELIMINARY
5-3-4 TR32 Boards (Transmitter/Receiver)
5-3-4-1 General Description
The TR32 has 64 receive channels and is made up of two identical TR32 Boards: TR32A and TR32B
(see Figure 5-10). Each TR32 Board is a complete 32-channel ultrasound Front End that includes the
following features and functions:
• 32 Transmitters
• 32 receiving channels, T/R switch, Pre-Amp, TGC
• 32 channel Beam Former
• First stage of Analog Beam-Former for CW mode, included in the receive input ASIC
• Clock distribution, starting with input at PECL level
Figure 5-10 TR32 Board Block Diagram
Figure 5-11 TR32 Board - Upper View
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