OSEE ADC6820N, ADC6820NS4, ADC6820NS, ADC6820N4 User Manual
ADC6820Nxx Audio A/D
Converter
USER MANUAL
Product Information
Model:
ADC6820N Audio A/D Converter
ADC6820NS Audio A/D Converter
ADC6820N4 Audio A/D Converter
ADC6820NS4 Audio A/D Converter
Version:
V010000
Release Date:
June 5th, 2008
Company
OSEE TECHNOLOGY CO., LTD.
Contact Information
Address:
No.22 Building, No.68 zone, Beiqing Road, Haidian District,
Beijing, China
Post Code:
100094
Tel:
(+86) 010-62434168
Fax:
(+86) 010-62434169
Web:
http://www.osee-dig.com/
E-mail:
sales@osee-dig.com
Contents
Chapter 1 Introduction ............................................................................................ 1
Overview ............................................................................................................................................ 1
Features .............................................................................................................................................. 1
Module Descriptions .......................................................................................................................... 2
The Front Part of Module ........................................................................................................... 2
Back Connector .................................................................................................................................. 3
ADC6820Nxx ............................................................................................................................ 3
Signal Flow ........................................................................................................................................ 4
Chapter 2 Installation .............................................................................................. 5
Overview ............................................................................................................................................ 5
Maximum Power Ratings for Frame .................................................................................................. 5
Unpacking the Module ....................................................................................................................... 5
Preparing the Product for Installation ........................................................................................ 5
Check the Packing List............................................................................................................... 6
Installing the Module ......................................................................................................................... 6
Making the Connections .................................................................................................................... 7
Removing the Module ........................................................................................................................ 7
Setting Jumper.................................................................................................................................... 8
LED Indicator .................................................................................................................................... 9
Output Select Mode ................................................................................................................... 9
General Mode ............................................................................................................................. 9
Chapter 3 Operation and Control .......................................................................... 10
Switches and Keys ........................................................................................................................... 10
Chapter 4 Specifications ....................................................................................... 16
Analog Audio input .......................................................................................................................... 16
Unbalanced AES/EBU Audio output ............................................................................................... 16
Balanced AES/EBU Output ............................................................................................................. 16
External Reference Input ................................................................................................................. 18
Warranty for osee product ................................................................................... 19
What the warranty covers: ............................................................................................................... 19
What the warranty does not cover: ................................................................................................... 19
DC6820NXX AUDIO A/D CONVERTER USER MANUAL
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ADC6820Nxx Audio A/D Converter
Chapter 1 Introduction
Overview
Four modules will be introduced in Table 1-1 as follows.
Table 1-1 The Description of Audio Processing Module for A/D Converter
Module name Description
ADC6820N 2-chanel balanced analog audio inputs, 2-channel balanced and
unbalanced digital audio outputs respectively, the function of
audio delay
ADC6820N4 4-chanel balanced analog audio inputs, 2-channel balanced and
unbalanced digital audio outputs respectively, the function of
audio delay
ADC6820NS 2-chanel balanced analog audio inputs, 2-channel balanced and
unbalanced digital audio outputs respectively, the function of
audio delay and tracking.
ADC6820NS4 4-chanel balanced analog audio inputs, 2-channel balanced and
unbalanced digital audio outputs respectively, the function of
audio delay and tracking
Each module can provide 1-channel balanced or unbalanced DARS input, 1-channel Ref input, users can
select one of them as synchronization signal. Each module can generate fixed-rate tone signal and
provide flexibility in audio sampling and delay setting.
Features
The ADC6820Nxx offers the following features:
Convert analog audio input into balanced and unbalanced digital audio output
2/4 channel audio inputs, 2 channel balanced and unbalanced digital audio outputs respectively
Selectable delay and synchronizing mode
Either DARS or Ref can be selected as synchronized signal
flexibility in audio sampling, and can provide 16-bit, 20-bit, 24-bit sampling setting
Generating two fixed-frequency audio signals
-96 ~ +12dB audio gain range adjustment
flexibility in delay setting, and the maximum is 1980ms @ 32KHz manual delay
DC6820NXX AUDIO A/D CONVERTER USER MANUAL
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Local or remote control and monitoring
Provide audio tracking function, only valid for ADC6820NS and ADC6820NS4
FCC Caution:
Any Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Module Descriptions
The Front Part of Module
Figure 1-1 shows the board of ADC6820Nxx
Fig. 1-1 the Board of ADC6820Nxx
DC6820NXX AUDIO A/D CONVERTER USER MANUAL
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Back Connector
ADC6820Nxx
Fig.1-2 Back Connector of ADC6820Nxx
Tab. 1-2 description of ADC6820Nxx Back Connector
Item Description
AESO1, AESO2
(BNC connector)
AES/EBU unbalanced digital audio output
AESO1, AESO2
(3-pin audio connector)
AES/EBU balanced digital audio output
DATA IN audio tracking input, only valid for ADC6820NS and
ADC6820NS4
DARS/REF AES/EBU unbalanced digital audio synchronized input or
black burst synchronized input（see setting jumper for more
information）
DARS IN AES/EBU balanced digital audio synchronized input
ANALOG AUDIO IN
1A,1B
Analog audio input
ANALOG AUDIO IN
2A,2B
Analog audio input, only valid for ADC6820N4(S)
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