GE H48671KK, Service Manual

Page: 212 / 432

GE H
EALTHCARE
RAFT V
OLUSON
E8 / V
OLUSON
E6
D
IRECTION
KTD102576, R
EVISION
7 DRAFT (A
UGUST
23, 2012) S
ERVICE
M
ANUAL
5-28 Section 5-3 - FrontEnd Processor
5-3-3 RSR- Beamformer Receiver Subboards
Time Gain Correction (TGC), Anti Aliasing-Filtering, Focus-Delay and Analog to Digital Conversion of
the Analog receiving signals is performed.
1x : Beamformer-ASIC (NATHAN):
- Rx Focus Delay and Summation
- 16 Rx-Channels: TGC + Anit Aliasing Analog Digital Conversion (ADC)
- Multiplexer
5-3-4 RST- Beamformer Transmitter Subboards
1x : Beamformer-ASIC (DAVID):
- generates Tx-Tx-Apodi Tx-Focus
- 16 Tx-Channels
Figure 5-8 Beam Frontend
Probe Connector,
Re
lais
RFI -
R
F-Interface Board
RF Data
Sync
BF-Koeff.
Tx Trig
BF-Koeff.
Tx Trig
BF-Koeff.
Tx Trig
Probe
RTM – Beamformer Motherboard RTF
Probe Connector Board
Voluson E8 - BT09/10
16 x RSR-Boards (16 channels) = 256 channels
16 x RST-Boards (16 channels) = 256 channels
Voluson E6 - BT09
8 x RSR-Boards (16 channels) = 128 channels
16 x RST-Boards (16 channels) = 256 channels
RF-Data
Quad
Pulser
Wave
form
Delay
RST
Pulser
Wave
form
Delay
RST
Pulser
Wave
form
Delay
RST
MUX &
Rx-Prot.
Delay
A/D-
Conv.
Low
Noise
Ampl. Apod. A-TGC
RSR
Anti-
Aliasing
Filter
+
MUX &
Rx-Prot.
Delay
A/D-
Conv.
Low
Noise
Ampl. Apod. A-TGC
RSR
Anti-
Aliasing
Filter
+
MUX &
Rx-Prot.
Delay
A/D-
Conv.
Low
Noise
Ampl. Apod.
A-TGC
RSR
Anti-
Aliasing
Filter
+
Voluson E6 - BT10
8 x RSR-Boards (16 channels) = 128 channels
12 x RST-Boards (16 channels) = 192 channels