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24-bit Quad Analog Audio to Dual AES Converter
Model: 7720ADC-A4-B
- Auto detect composite video or DARS on the reference input
- 24-bit, high-quality analog to digital audio conversion
- Support for 4 channels of analog audio (2 AES/EBU)
- Local card edge display and control of input gain
- 0dBFS programmable from 8dBu to 27dBu
Product Info
Tech Specs
Documents
The 7720ADC-A4 is a high-quality, 24-bit, analog to digital audio converter which provides digital conversion of 4 balanced analog audio channels and provides 2 unbalanced (or balanced from the 7720ADC-A4-B) AES/EBU channels out. The sampling clock may free run at 48KHz or may be locked to either a DARS (Digital Audio Reference Signal) reference or composite video reference. Level control is provided via a card edge toggle switch. The input gain level can be read out from a card edge display for convenience. The full scale digital signal can be calibrated to accommodate peak levels ranging from 8dBu to 27dBu with 0.5dB resolution. The audio ADC features a card edge VU meter for quick confidence monitoring. Four separate level indicators are provided via bargraphs for quick validation of audio program material.
- Auto detect composite video or DARS on the reference input
- 24-bit, high-quality analog to digital audio conversion
- Support for 4 channels of analog audio (2 AES/EBU)
- Local card edge display and control of input gain
- 0dBFS programmable from 8dBu to 27dBu
- Automatic DC removal
- A card edge display provides a 4 channel bargraph type level indicator display for confidence monitoring
- VistaLINK® capable for remote monitoring via SNMP (using VistaLINK® PRO) when installed in 7800FR frame with a 7700FC VistaLINK® Frame Controller
- Converter Signal Types - Audio
- Converter Type - Analog to Digital Converter
- Spec Sheet available - Yes
- Analog Audio Input - Type: Balanced analog audio
- Analog Audio - Number of Inputs: 4
- Analog Audio Input - Connector: Removable terminal strip
- Analog Audio Input - Impedance: 10 kohms minimum (differential)
- Analog Audio Input - Sampling Rate: 48 kHz (freerun or locked to the reference)
- Analog Audio Input - Signal Level: 0dB FS =>8dBu to 27dBu (programmable via 0dB/+6dB jumper and card edge fine gain with -10dB to +10dB range)
- Analog Audio Input - Frequency response: < ±0.1dB, 20Hz to 20kHz
- Analog Audio Input - SNR: 100dB with input at -1dB FS
- Analog Audio Input - THD+N: < 0.001% (> 100dB) @ 20Hz to 20kHz, -1dB FS
- Analog Audio Input - CMRR: > 100dB at 1kHz
- Analog Audio Input - Crosstalk: < -100dB at 20Hz to 20kHz
- Analog Audio Input - Interchannel Phase Error: < 1°, 20Hz to 20kHz
- Reference Video Input - Standard: NTSC (SMPTE ST 170), PAL (ITU624-4), DARS
- Reference Video - Number of Inputs: 1
- Reference Video Input - Connector: BNC per IEC 61169-8 Annex A
- Reference Video Input - Signal Level: Video Max: 2V p-p video (composite only); Video Min: Sync level 150m (composite only)
- Reference Video Input - DARS: SMPTE ST 276, 1V p-p
- Reference Video Input - Frequency Lock Range: ±100ppm from nominal
- Reference Video Input - Return Loss: > 25dB to 10MHz (with external 75Ohms termination)
- AES Audio Output - Standard: SMPTE ST 276 single ended AES
- AES Audio - Number of Outputs: 2
- AES Audio Output - Connector: BNC per IEC 61169-8 Annex A
- AES Audio Output - Sampling Rate: 48 kHz
- AES Audio Output - Impedance: 75 ohms unbalanced
- AES Audio Output - Resolution: 24 bits
- AES Audio Output - Input/Output Delay: 0.87 ms
- Number of Slots: 1
- Input Signal Types: Audio
- Output (Converted) Signal Type: Audio
- Active Power: 10 Watt
- DC Voltage: 12 Volts
- Regulatory Compliance: FCC Part 15 Class A, EU EMC Directive
Quad Analog Audio to Dual AES Converter
64 kb
- Data Sheet
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Texolve Digital Inc.
201A Ann Street
Oakmont, PA 15139
USA
(724) 337-1685
www.texolve.com
Contact in regards to this product:
Evertz
Model: 7720ADC-A4-B
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