Chapter 5. Product Structure 5 - 7
Basic Structure of WS80A
Overview
WS80A consists of the Ultrasound System Part and the User Interface Part. However, when
considered as an electronic structure, it consists of a Front End Part, a Back End Part, a User
Interface Part, and a Power Part. A description of WS80A as an electronic structure is as
follows.
Front End Part refers to the PSA (Probe Select Assembly) and the BF (Beamformer). The main
functions of the Front End Part are to deliver High Voltage Pulser to the probe, thereby
generating ultrasonic waves, and to amplify the returning echo signal to process Digital
Beamforming. The RF signal generated here is sent to the Back End Part.
Back End Part refers to the BE (Back End) of the Ultrasound System Part as well as the PC
Module.
It generates various diagnostic images such as BW, Color Doppler, PW Doppler, Power
Doppler, etc. from the RF signal generated by the BF (Beamformer), and displays the images
on the monitor so that the user can view them. In addition, it incorporates new technologies
such as SCI and SDMR to facilitate a wide variety of diagnostic exams.
User Interface Part means the LCD monitor and control panel (including touch panel).
The Power Part can be divided as AC-DC Power Module and DC-DC Power Module; AC-DC
Power Module converts the AC voltage to the DC voltage to supply power to DC-DC Power
Module and supply power to PC Power of PC Part. DC-DC Power Module supplies the voltage
to the boards of the Ultrasound System Part and PC Power supplies the voltage of PC Part.
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