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GE H
- K
EALTHCARE
RETZTECHNIK
D
105899, R
IRECTION
EVISION
5-4-1-7
CRS - Signal Processor Board
A.) MID-Processor:
1.) For B, C, D modes:
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-
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2.) For B mode only:
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B.) System Control:
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C.) Doppler + CFM:
1.) CFM-processing:
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2.) Doppler-Processing:
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3.) Beamformer- Configuration-Data:
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D.) Motor Control:
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-
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3
DRAFT (A
Multi Beam-DeInterleave
Subtraction Filter (for THI)
Digital TGC, DC-Cancelling
Mixer with NCO
FIR-Low Pass
Magnitude Calculator
Logarithmic Amplifier
Resample
Edge Enhance
Line Filter
Blending
Frame Filter
Clock Oscillator (60MHz)
PRF (Pulse Repetition Frequency) Generator
Beamformer Configuration:
Tx (transmitting Frequency, TxRx (transmitting/receiving) Focus timing
TxRx (transmitting/receiving) Apodization
Line number (lateral Position)
contains TX-Power-DAC
Color-Doppler shot lines transfer to CKV
DSP, Audio DAC
"EH_DATA"(16)
"EH_ADR"(8)
B-Mode-Data
Master of Control of 3D-Sweep
Drives Motor via SIN-COS
Triggers Frame-start on CPR (Beamformer)
Triggers Write-Logic on CKV (DMA-Controller)
Chapter 5 - Components and Functions (Theory)
29, 2008)
PRIL
V
® 730E
OLUSON
XPERT
S
M
ERVICE
(BT03)
ANUAL
5-25
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