EPIQ 5 & 7 Training Manual
© 2016 Conquest Imaging
3
Module 2
System Hardware and Theory
The goal of the System Hardware and Theory Module is to provide
you with a solid grounding on the purpose of the EPIQ 5 & 7 system’s
different components and how they function together within the
system. The three major functional blocks in any ultrasound system
are:
Front End – Includes transducer analog signal processing
functions.
Back End – Includes user interface and system communication
with DICOM systems.
Power Systems – Generates, regulates and supplies the
required voltages to the various parts of the system. Many
power system components are distributed throughout the
system. For example, on the Channel Board which is part of
the front end contains a power regulator providing both AC
and DC voltages needed by the components on the board.
System Front End Components
This section covers system frontend topics for the EPIQ 5 and EPIQ 7.
Front end is a general term for the parts of the ultrasound system
that receive the reflections from acoustic energy that have been
transmitted into the body and perform the various signal processing
functions needed to produce an ultrasound image. The following are
some of the components and functions that are found in a typical
ultrasound system front end:
Transducers – Transmit focused acoustic energy and receive the
resultant reflections.
High voltage switches – Used for multiplexing (connects a
particular transducer element to a particular transmitter/receiver
pair)
High voltage transmitters – Transmit analog data from the
transducers.
You can use this margin
for taking notes.
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