500 SERIES
LINK ELECTRONICS, INC.
AES/EBU DIGITAL AUDIO TO ANALOG
MODEL LEI-547
MADE IN THE USA
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
digital audio to AES3-ID specifications. In addition,
it provides two sets of balanced low impedance
analog outputs. Transformer coupled digital inputs
and outputs are standard to eliminate the
possibility of ground loops. Captive screw terminal
blocks are used for the AES3-1992 while AES3-ID
use BNC connectors.
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.
A front panel switch selects between BNC or
screw terminal, (AES3-ID, AES3-1992). Sample
rate LED’s show three rates, 48KHz, 44.1KHz and
32KHz. An error detection LED indicates any
errors on the incoming signal. An AC power switch
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 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.
LINK
ELECTRONICS, INC. ‹ 2137 Rust Avenue ‹ Cape Girardeau, MO 63703-7668
Phone 573 334 4433 FAX 573 334 9255
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