Wireless Microphone Solution
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Description
This soultion implements a set of 2.4G wireless dual microphones with USB receiver system. It could be used in the professional audio amplifier system or the KaraOK sytem, etc. With TI's ultra-lowpower MCU controler controlling the power supply of the microphone, the battery life is longer. The volume can be manually changed with the key and the power and connection status is indicated with color LEDs.
Features
- High-Performance 2.4 GHz Digital Wireless Stereo Microphones.
- Automatic or manual pairing betweent the microphone and the dongle.
- Automatic volume gain control with the ADC chip.
- The dongle could work as a analog input to the mixer or work as a USB audio input device to the PC.
- Working range coulde be over 100m.
- This design is tested and include the configure files for the CC8531 and the MCU source code.
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Schematic/Block Diagram
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Design Guide
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Bill of Materials (BOM)
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TI Devices (7)
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CAD/CAE symbols
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Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at http://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
The UL Reader is a subset of the Ultra Librarian toolset that can generate, import, and export components and their attributes in virtually any EDA CAD/CAE format.
Technical Documents
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User guides (2)
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14 Nov 2014
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Design files (2)
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14 Nov 2014
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