Chapter 5. Product Structure 5 - 21
Back End Board
▐ Main Functions
Back End Board (hereinafter BE Board) can be divided into DSP (Digital Signal Processing)
Part, DMA & RTC Part, and, Analog Sound Part.
The DSP Part receives RF data and CW I/Q data from the BF Board and CW Board and
processes the data into image data such as BW Image, PW Doppler, CW Doppler, Color
Doppler, Power Doppler, etc. The created Image Data is processed by DMA & RTC Part of BE
Board for Frame Average etc., and then sent to the PC Part through PCI BUS to be calculated
by Software DSC. The Analog Sound Part receives Doppler sound data from the DSP Part,
processes the data with the Digital Analog Converter, amplifies and sends them to the speaker.
BE Board consists of ASIC (MCB028A), FPGA, Analog Sound part and more.
[Figure 5.8 Back End Board]
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