GE M
EDICAL
S
YSTEMS
- K
RETZTECHNIK
U
LTRASOUND
D
IRECTION
105844, R
EVISION
1
V
OLUSON
® 730 S
ERVICE
M
ANUAL
Chapter 5 Components and Functions (Theory)
5-21
5-4-1
Front End - Board Descriptions
5-4-1-1
CPU - Probe Board
•
1 CW-Probe Connector
•
3 Probe-Connectors 260pin
•
1 Dummy-Probe Connector 260pin
•
Probe Select Relays
•
Probe Recognition
5-4-1-2
CPR - Beamformer Board
Transmitter-Receiver (192 transmitter channel used, 128 Receiver channels)
CPR contains 32 pieces of CPD
5-4-1-2-1
CPD-Beamformer-Sub-board
1x : Beamformer-ASIC
generates TX- TX-Focus +TX-Apodisation, Rx Focus Delay and Summation
8x : TX-Power Amplifier
4x : TGC + Anti Aliasing Analogue Digital Conversion (ADC)
Each CPD is capable of 8 TX-Channels and 4 RX-Channels
5-4-1-3
CRW - (old version: CWD) CW-Doppler Board (Optional)
-
Separate Clock Osci Clock generator PRF, FN
-
TxDelayMatrix
-
Transmitter,
-
Receiver Amplifiers (RxAmp),
-
Receiver Delay matrix (RxDelayMatrix)
-
Analogue: Mixer, Amplifier, Filter(WMF, Anti Aliasing)
-
PRF-SampADC16Bit,
5-4-1-4
CPZ - Cover Board
Transfers the analogue transmitting / receiving signals between the following boards:
-
CPU (in old version BYM)
-
CPR
-
CRW (in old version CWD)
192 Transmitter channels, 128 Receiver channels, 16 CW-Doppler channels - switched by relays at
CPZ
Содержание Voluson 730
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