SonoSite C1.9 PLUS, Service Manual, Page: 19 / 98

Chapter 3: System Overview 11
C
HAPTER
3
System Overview
3.1 Theory of Operation
The SonoSite ultrasound system has seven major functional groups: the transducer,
the acquisition subsystem, the processing subsystem, the display subsystem, the
control subsystem, the user interface subsystem, and the power subsystem.
Figure 3.1 shows how these functions interact.
Figure 3.1 System Block Diagram
Acquisition
subsystem
Processing
subsystem
Display
subsystem
User
interface
subsystem
Power
subsystem
Video bus
External video to monitor,
VCR, printer ports
Control
subsystem
RF bus
Control bus
Pulser voltage
Power
adapter
External power
Battery
pack
T
ran
sd
uc
er
AQ bus
Display power
Logic power
Serial bus
To all
subsystems