Link electronics LEI-547 Manual de usuario

500 SERIES

LINK ELECTRONICS, INC.

AES/EBU DIGITAL AUDIO TO ANALOG

MODEL LEI-547

FEATURES

18 BIT DAC

AES-EBU Audio DA

Stand-alone

Four Outputs AES3-ID

Two Stereo Analog Outputs

Error Detection

Transformer Coupled Digital I/O

FP Select BNC/Terminal Input

Monitoring Distribution

The LEI-547 accepts either AES3-1992 or AES3-

ID inputs and provides a total of four outputs of

digitalaudiotoAES3-IDspecifications.Inaddition,

it provides two sets of balanced low impedance

analogoutputs.Transformercoupleddigital inputs

and outputs are standard to eliminate the

possibilityofgroundloops. Captivescrewterminal

blocksareused for the AES3-1992whileAES3-ID

use BNC connectors.

A front panel switch selects between BNC or

screw terminal, (AES3-ID, AES3-1992). Sample

rate LED’sshowthreerates,48KHz,44.1KHzand

32KHz. An error detection LED indicates any

errorson theincomingsignal. AnACpowerswitch

on the front panel allows the user to turn the unit

on or off at will. The fuse is on the front panel for

easy access..

The analog conversion is accomplished using a 1-

BIT Delta-Sigma converter with 18-BIT resolution.

The output cells employ a unique cross-coupled

design for precise amplitude and phase matching.

The digital signal path uses state-of-the-art

integrated circuits. The data is re-sliced and re-

clocked for jitter attenuation. Sample rate is

automaticallydetectedandindicatedbyfrontpanel

LEDs. Data errors are also detected and reported

by a red LED on the front panel.

The 500 series is housed in the same case as the

well accepted 700 series. A black front panel

distinguishesbetweenthetwoseries.Three500or

700 series can be mounted in the PRT-700 rack

tray.

LINKELECTRONICS, INC. 2137 Rust Avenue Cape Girardeau, MO 63703-7668

Phone 573 334 4433 FAX 573 334 9255

MADE IN THE USA

LEI-547 REAR PANEL

PRT-700 RACK TRAY

MODEL LEI-547

AES/EBU DIGITAL AUDIO

TO ANALOG CONVERSION

SPECIFICATIONS

INPUTS:

Number:............................................................Two(selectable)

Interface: ....................................................AES3-1992 (twisted-pair)

................................................................. orAES3-ID (BNC)

Format: ..................................................... Bi-PhaseMarkEncoded

Impedance: ........................................................... 110Ωor 75Ω

Sampling Frequency Range: ...........................................30kHzTO50kHZ

Level:............................................................. 200mV Minimum

DIGITAL OUTPUTS:

Number:............................................................. Four,AES3-ID

Format: ..................................................... Bi-PhaseMarkEncoded

Impedance: .......................................................... 110ΩOR 75Ω

Level:................................................................ 4.2Vp-pTYP.

Jitter: .................................................................... <0.02UI

Connectors: .................................................................. BNC

ANALOG OUTPUTS:

Number:.................................Four,TwoLeftChannels and Two Right Channels

Impedance: .................................................................. 66Ω

S/NRatio: ................................................................. >80dB

Frequency Response: ........................................... ±0.5dB,20Hzto20KHz

TotalHarmonicDistortion:.....................................................0.003%

Crosstalk:.................................................................. >85dB

DC Offset: .................................................................. >2mV

INTERNAL ADJUSTMENTS:

OutputAnalogAudioLevel,Left:.......................................... ResistiveTrim

OutputAnalogAudioLevel,Right: ........................................ ResistiveTrim

DIGITAL TO ANALOG CONVERSION:

Method: ......................................................... 1-BIT,Delta-Sigma

Resolution:................................................................. 18-BIT

Over-SamplingRatio: ..........................................................128X

Modulation Order: ................................................................3

FRONT PANEL INDICATORS:

PowerIndication:.........................................................Green LED

Error/No Signal: ........................................................... RedLED

SampleRateIndication: ............................. 48KHz,44.1KHz,32KHz,Green LEDs

FRONT PANEL CONTROLS

Power On/Off: .......................................................... PushButton

Input Select: ................................................... AES3-1992 or AES3-ID

MECHANICAL:

Height:.....................................................................1Inch

Width: ................................................................. 5.5Inches

Depth: ................................................................ 9.25Inches

Weight: ................................................................2.5Pounds

LINKELECTRONICS, INC.

2137 Rust Avenue

Cape Girardeau, MO 63703

Phone: 573 334 4433

FAX: 573 334 9255

PROFESSIONAL SERIES--

stand-alone television system products--by LINK LEI-547/110702

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