Related Manuals for ATI Audio DDA124-BNC
Summary of Contents for ATI Audio DDA124-BNC
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Page 1: Distribution Amplifiers
DDA124-BNC DDA224-BNC AES/EBU DIGITAL AUDIO DISTRIBUTION AMPLIFIERS OPERATING AND MAINTENANCE MANUAL © Copyright 2011, ATI Audio Inc. ATI Audio Inc. ■ Tel: 856-626-3480 ■ Fax: 856-504-0220 ■ sales@atiaudio.com ■ www. audio.com... - Page 2 AES3-1992 and IEC 958. This is commonly called AES/EBU formatting. The DDA124-BNC is a 1X24 unit with one loop-thru input feeding 24 isolated outputs. The DDA224-BNC is a Dual 1X12 with two separate loop-thru inputs, each feeding 12 isolated outputs.
- Page 3 Data and transmission errors are displayed in priority order of No Lock, BI- PHASE Coding errors, PARITY errors and CRC errors. The No-Lock signal is ATI Audio Inc. ■ Tel: 856-626-3480 ■...
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Page 4: Output Drivers
2.5VDC reference for the equalizer circuit. U7 and U13 provide regulated and quiet ±5VDC for all circuits. Power transformer primary windings are paralleled for 115VAC or wired in series for 230VAC. Jumpers E1 allows field modification if necessary. ATI Audio Inc. ■ Tel: 856-626-3480 ■ Fax: 856-504-0220 ■... -
Page 5: Installation
1. Apply a known good AES/EBU digital signal at the source maximum sample rate of 96, 88.2, 48, 44.1, or 32 kHz to the source end of the cable. (You can validate the source by temporarily co-locating the DDA with the signal source, ATI Audio Inc. ■ Tel: 856-626-3480 ■... - Page 6 4. Turn the control counterclockwise by half the number of turns counted in 3. above. This is the optimum setting for the installed cable length and sample rate. ATI Audio Inc. ■ Tel: 856-626-3480 ■...
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Page 7: Specifications
2Vp-p loaded at 75 ohms Impedance: 75 ohms, unbalanced, capacitor coupled Output Jitter: <3 nanoseconds peak-to-peak at 96kHz sample rate Output Delay: Three frames (sample intervals) at the sample rate ATI Audio Inc. ■ Tel: 856-626-3480 ■ Fax: 856-504-0220 ■ sales@atiaudio.com ■ www. - Page 8 Internal supply, 115/230VAC ±10%, 50/60Hz, 10VA, IEC320 3 pin connector 1 RU, 19” (48.3cm) W x 1 ¾” (4.5cm) H x 7”(19.1cm) D SIZE WEIGHT 7lbs (3.2kg) ATI Audio Inc. ■ Tel: 856-626-3480 ■ Fax: 856-504-0220 ■ sales@atiaudio.com ■ www.
- Page 9 ATI reserves the right to modify or discontinue, without prior notice to you, any model or style product. If warranty problems arise, or if you need assistance in using your product contact us. ATI Audio Inc. ■ Tel: 856-626-3480 ■...
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