GE Voluson 730Pro - Frontend Processor; Frontend Processor - Block Diagram

GE MEDICAL SYSTEMS - KRETZTECHNIK DRAFT VOLUSON® 730PRO / 730PROV (BT´04)
D
IRECTION KTI105947, REVISION 2 SERVICE MANUAL
Chapter 5 - Components and Functions (Theory) 5-21
Section 5-4
FrontEnd Processor
Figure 5-11 FrontEnd Processor - Block diagram
CPK Motherboard of GEF-Module:
CPU CPR PCW CRS CCM CPP
CPZ Coverboard
CPU CPR CWD(CRW)
CPU Probeboard 1 CW-PrbConnector 3 Prb-Connectors 260pol 1 Dummy-PrbConn. 260pol -Probe Select Relais -Probe Recognition (Signals to CPC)
CPR Beamformer-Motherboard Transmitter-Receiver CPD Beamformer-Subboard 1x : Beamformer-ASIC generates TX-Pulses+ TxFocus+TxApodisation, RxFocusDelay+Summation. 16x : TX-PowerAmplifier 4x : TGC+AntiAliasingFilter+ADC Each CPD
capable of
16 TX-Channels 4 RX-Channels
CW-Channels selected by Relais
T/R(192)
CWTX(16)
"EBF_D"(18)
CRW CW-Dopplerboard (Optional) -Separate ClkOsc.+Clockgenerator PRF,FN -TxDelayMatrix -Transmitter, -RxAmp, -RxDelayMatrix -Analog: Mixer, Amps, Filter(WMF,AntiAliasing) -PRF-SampADC16Bit,
SIN-COS
Powered
for B,C,D modes: - Multi Beam-DeInterleave - Subtraction Filter (for THI) - Digital TGC, DC-Cancelling - Mixer with NCO - FIR-Low Pass B-Mode: - Magnitude Calculator - Logarithmic Amplifier - Resample - Edge Enhance - Line Filter - Blending - Frame Filter
CW-Data serial,
D,Q,16Bit each
US-Data
SIN-COS
System Control: Clock Oscillator (60MHz) - PRF-Generator - BeamformerConfiguration - TX/ RX Focus timing - Line number (lateral Position) - contains TX-Power Doppler + CFM: - CFM-processing: -Color-Doppler shot lines transfer to CKV - Doppler-Processing: -DSP, Audio DAC Motor Control: - Master of Control of 3D-Sweep - Drives Motor via SIN-COS - Triggers Frame-start on Beamformer - Triggers Write-Logic on CKV (DMA-Controller)
32 x CPD
Beamformer-
Configuration-Data:
"EH_DATA"(16)
"EH_ADR"(8)
CPU-Control
"MCPU_A"(12)
"MCPU_D"(8)
CRS MID-Prozessor
CPP Powersupply- Secondaryboard Powersupply: DC-DC-Converter: 59VDC to: +3.3V,+-5V,+12V,+-15V, +FAN(17...24VDC) +-TX_POW(+-90V) Motor-SIN-COS-PowAmp
Mot-Strobes