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	DACS: Mixer Unit
	Mixer Unit The mixer unit is built around an off-the-shelf 3 rack-unit chassis. The rear panel of this chassis was removed and replaced with an aluminum frame to hold the removable audio input and output cards. A rectangular hole was cut in the front panel to mount the LCD. The display is protected by a piece of acrylic. Internal components firmly mount to the chassis. Figure 93 shows the layout of the mixer unit components. Figure 93: Mixer unit chassis layout, top view.	Table of Contents [Whole document in PDF 1.9MB] [more photos and information] Contents List of Figures List of Tables Executive Summary What Does the System do? Why Design and Implement this System? Project Goals Deliverables Conclusions Introduction Design Methodologies Application Analysis System Overview High-Level Hardware Specifications Control Board Mixer Unit Module-Level Hardware Specifications Control Board Mixer Unit Inter-Module Specifications Control Board Mixer Unit Digital Control Bus Hardware Schematics Control Board Mixer Unit Hardware Verification Control Board Mixer Unit Hardware PC Board Designs Control Board Mixer Unit Hardware Chassis Control Board Mixer Unit High-Level Firmware Design Control Board Mixer Unit The DACS Firmware Library Firmware Protocols Serial Communications Protocol Firmware Modules Firmware Library Control Board Mixer Unit Firmware Code Firmware Library, dacslib Control Board Mixer Unit High-Level Software Design Overall System: The Distributed Concept Functional Design Software Graphical User Interface Software Code MIDI Controller VHDL Code Control Board Mixer Unit Axiom MC68HC11 Single Board Computer References References Books Data Books and Data Sheets Web Sites About this document ...

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