Toshiba Aplio SSA-770A Service Manual page 133

Diagnostic ultrasound system
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RC BOARD
----
r RTr
SUBSYSTEM
TR BOARDS
'
TX Beamformer
Control
1
' rXyG%&-
'
1
Rx Beamformer
Control
1
I
I
I
Analog
Controls
BE Header
Generation
1
)'I
Bean%rmer
1
1
FE Header
Generation
I
I
L----J
----
1
II I
BE BOARD
------------------~
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C
, ,--------------
I
I
DC
! b
Cancel
+
Digital
Baseband
Range
Filter
Gain
+Conversion
+
Decimator
+
Gate
Wall
I
Integ.
Filter
-
I
L-------------------A
'
I
I----
------------
A
I
L/R Audio
Generate
Smooth
m
1
W-W
olumn
4
IFFT
Missing
Signal
Estimate
4-
SjWl"
Median
f
Filter
f
DSP
I
I
I
I
I
I
I
I
I
I
I
I
3200
Pixel
Sweep
b
Column
+
unpack
+
Display
VI BOARD
I
Buffer
Formatter
Monitor
IO BOARD
Graphics
Controller
Real-time
Manager
-
NTSC/PAL
Video
+
Formatter
---
Mic In
Flow of signals
in PWD mode

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