GE Voluson 730Pro - Block Diagram CPD; CPD-Beamformer-Sub-Board

GE MEDICAL SYSTEMS - KRETZTECHNIK DRAFT VOLUSON® 730PRO / 730PROV (BT´04)
D
IRECTION KTI105947, REVISION 2 SERVICE MANUAL
Chapter 5 - Components and Functions (Theory) 5-23
5-4-1-3 CPD-Beamformer-Sub-board
1x : Beamformer-ASIC
generates TX-Pulses + TX-Focus +TX-Apodization, Rx Focus Delay and Summation
16x : TX-Power Amplifier
4x : TGC + Anti Aliasing Filter + Analogue Digital Conversion (ADC)
Each CPD is capable of 16 TX-Channels and 4 RX-Channels
Figure 5-13 Block diagram CPD
Se
p
.
8 * 2 *
Pushpull
Output stage
A
SIC
BFIC
2:1
Mux
Antialiasing-
Filter
TGC
A
DC
10 Bit
A
ntialiasing-
Filter
A
ntialiasing-
Filter
8 *
Se
p
.
Se
p
.
Se
p
.
8 *
El_0
El_128
El_3
El_131
Tx_0p
Tx_0n
Rx_0
Rx_1
Rx_2
Rx_3
2:1
Mux
2:1
Mux
2:1
Mux
Tx_0
Tx_1
Tx_6
Tx_7
El_1
El_129
El_2
El_130
to ASIC(n+1)
From ASIC
(
n-1
)
Driver
Driver
EN_A
EN_B
Driver
Driver
EN_A
EN_B
Tx_1p
Tx_1n
Driver
Driver
EN_A
EN_B
Driver
Driver
EN_A
EN_B
Tx_6p
Tx_6n
Driver
Driver
EN_A
EN_B
Driver
Driver
EN_A
EN_B
Tx_7p
Tx_7n
Driver
Driver
EN_A
EN_B
Driver
Driver
EN_A
EN_B
Antialiasing-
Filter
TGC
TGC
TGC
+TX_POW1/
-TX POW1
+TX_POW2/
-TX POW2
A
DC
10 Bit
A
DC
10 Bit
A
DC
10 Bit