MSD600M - Technical Reference Manual
4. Hardware
The MSD600M have been designed with the very
best technology available today ensuring superb
performance, high flexibility and an outstanding
audio performance.
4.1 Analogue Audio Inputs
The MSD600M is equipped with both analogue and
digital inputs. An Analogue Audio input can be
obtained by using the MSD600M-Input/1 Module
combining both an Analogue and a Digital AES-3
Input. The latest version of the Analogue Input is
based on a 24-bit Analogue-to-Digital converter
(ADC) of the S/D type from Cirrus Logic®, the
CS5360. The sample rate is fixed at 48 kHz.
Combined with a transformer-balanced input stage
it forms a very high performance Input stage. The
analogue input on the MSD600M-Input/1 Input
module is able to 24 dBm.
4.2 Digital Audio Inputs
If interfacing to a Digital AES-3 Input signal there
are three types of input modules to select from (see
next section in this manual). Common for all is that
they are designed around the Cirrus Logic® AES-3
receiver chip, the CS8420. This AES-3 receiver has
not only become an industry standard but also
contain the Sample Rate Converter (SRC) used by
the MSD600M. The SRC ensures correct synchro-
nisation of all AES-3 input sources, making it possi-
ble to source to several asynchronous AES-3
streams simultaneous.
The CS8420 is able to lock on any sample rates
between 32 kHz to 96 kHz and convert it to the
used internal sample rate of 48 kHz (when no
external sync. source is used).
The Input stage to the AES receiver is transformer-
balanced according to the AES specifications. This
AES-3 Input stage will generally also interface to
the consumer S/PDif format when grounding one of
the balanced AES-3 input terminals. However,
since the signal level (eye-pattern) of a S/PDif is
not compatible with the AES-3 specifications there
is no guarantee for an error free reception.
8
Summary of Contents for MSD600M
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