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DAC-4412:
AES/EBU DA with Analogue Monitoring. | ||
FEATURES:
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GENERAL:
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The DAC-4412 is designed to provide AES/EBU digital audio conversion to analogue stereo format.
Four AES outputs (two balanced 110 Ohm and two unbalanced 75 Ohm) are provided for through signal and monitoring purposes. | ||
TECHNICAL SPECIFICATIONS:
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Inputs: |
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Number
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2. |
Type
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1 x 110 Ω balanced, or |
1 x 75 Ω unbalanced, selected by link on PCB. |
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Format |
AES3-1992 standard. |
Input level |
200 mVp-p minimum. |
Cable length |
> 500 m 75 Ω (Belden 8281), |
> 200 m 110 Ω (AES digital high quality shielded pair). |
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Outputs - Digital: |
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Number |
4. |
Type |
2 x 75 Ω unbalanced > 1 Vp-p, and |
2 x 110 Ω balanced > 3 Vp-p. |
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Monitoring |
1 x 75 Ω unbalanced. |
Format |
AES3-1992 standard. |
Outputs - Analogue: |
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Number |
2 stereo, mutable by link settings on loss of input. |
Type |
40 Ω balanced. |
Performance: |
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Frequency |
48 kHz. |
Rise & fall times |
< 20 ns. |
Level for full code |
+24 dBu (variable by internal factory preset). |
Frequency response |
± 0.1 dB 50 Hz to 15 kHz; |
± 0.2 dB 15 kHz to 20 kHz. |
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THD+N |
< 0.025%. |
Noise |
-100 dBFS ('A' weighted with idle channel, digital input all zeros). |
Linearity |
< ±0.5 dB at -90 dBFS. |
De-emphasis |
Automatic from channel status. |
Mute level |
60dB down from peak output. |
Power Requirements: |
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Voltage |
28 Vac CT (14-0-14) or ±16 Vdc. |
Power Consumption |
< 6VA. |
Connectors: |
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Balanced |
Phoenix 3 terminal plug-in blocks. |
Unbalanced |
BNC. |
Other: |
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Temperature range |
0 - 50°C ambient. |
Mechanical |
Suitable for mounting in IRT 19" rack chassis with input, output and power connections on the rear panel. |
Finish: Front panel |
Grey background, black lettering & red IRT logo. |
Rear Panel |
Detachable silk-screened PCB with direct mount connectors to Eurocard and external signals. |
Dimensions |
6 HP x 3 U x 220 mm IRT Eurocard. |
Supplied accessories |
Rear connector assembly including matching plugs for balanced connections. |
Optional accessories |
SMU-4000 plug in SNMP Management Information Base (MIB) module. |
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Due to our policy of continuing development, these specifications are subject to change without notice.
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