GE H
EALTHCARE
D
IRECTION
GA091568, R
EVISION
5 VIVID E9 S
ERVICE
M
ANUAL
5 - 44 Section 5-8 - Front End Processor (FEP)
5-8-7 Digital Receiver board (DRX)
5-8-7-1 General description
A DRX board provides two main functions to the beamformer:
1.) Conversion of analog RF input signals from 64 channels into streams of digital data, and
2.) Receive signal beamforming. The DRX performs optimal, range dependent focusing and steering
to create multiple receive beams simultaneously.
Up to four DRX boards with 64 receiver channels each, can be used to support up to 256 receiver
channels. Today we are using three DRX boards to support 192 receiver channels.
5-8-7-2 Location in the Unit
Figure 5-30 DRX location
Up to 4 pc DRX boards
(VIVID E9 is using three
DRX boards).
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