Albalá Ingenieros DAT3000C01, Руководство пользователя, Страница: 3 / 38

DAT3000C01
DUAL AES/EBU DIGITAL AUDIO SAMPLING RATE CONVERTER/DELAY LINE
Version 1.0
1. DESCRIPTION ...................................................................................................................... 5
1.1. The DAT3000C01 ............................................................................................................................ 5
1.2. Features ............................................................................................................................................. 6
1.3. Block diagram .................................................................................................................................. 7
2. SPECIFICATIONS ................................................................................................................. 9
3. INSTALLATION .................................................................................................................. 11
3.1. Initial inspection .......................................................................................................................... 11
3.2. Safety instructions ...................................................................................................................... 11
3.3. Environmental considerations ................................................................................................ 12
3.4. Power considerations ................................................................................................................. 12
3.5. Module configuration ................................................................................................................ 12
3.5.1. Selection of 20 or 24 bits at the input ......................................................................... 13
3.5.2. Selection of 20 or 24 bits at the output ...................................................................... 13
3.5.3. Selection of the external reference .............................................................................. 13
3.5.4. Termination of the delay input ...................................................................................... 14
3.5.5. Termination of the digital audio inputs ...................................................................... 14
3.5.6. Selection of automatic mode or manual mode for the reference input ......... 14
3.5.7. Selection of the sampling frequency ........................................................................... 15
3.6. Installing the module in the mounting frame ................................................................... 15
3.7. Interconnection ............................................................................................................................ 17
3.7.1. Digital audio connections ................................................................................................ 17
3.7.2. Connections for analog video, word-clock and the delay signal ........................ 18
4. OPERATION ...................................................................................................................... 19
4.1. Front panel description .............................................................................................................. 19
4.2. Functional description ............................................................................................................... 21
4.2.1. Description of the sampling frequency converter ................................................... 21
4.2.2. Description of the delay line ........................................................................................... 22
4.2.3. Processing of the channel status bits .......................................................................... 23
4.2.4. Description of the processing unit ................................................................................ 24
4.2.5. V and U bits ........................................................................................................................... 25
4.2.6. Operation in 20 or 24 bit mode ...................................................................................... 25
4.2.7. Operation in doubled sampling frequency mode ................................................... 26