1.3
Functional Block Diagram
The SX-M2D2 overall block diagram consists of the following:
•
2 mic/line inputs with +20dB pre-gain, dual ADC converters, Low Frequency
cut and gain stage
•
AES42/AES3 digital input with Asynchronous Sample Rate Converter (ASRC)
and gain stage
•
USB audio interface with ASRC
•
Phones, Line and AES outputs (AES with its own clock domain)
•
Power Supply Unit (PSU)
•
6 to 2 channels mixer (MIX) with compressor/limiter
•
4x 2 channel output monitoring (MON)
•
2 or 4 channels meters
•
User Interface: 2 rotary encoders with push buttons and OLED screen
USB
AUDIO
CLASS 2.0
AES OUT
ADC
ADC
0 / +20 dB
ASRC
ASRC
DAC
PHONES
DAC
IN 1
IN 2
AES3
AES42
USB
AUDIO
HIROSE DC IN
9-18V
USB POWER
18650 LI-ION
REMOVABLE
CELL
PSU
DSP
DUAL-ADC INPUTS
DC/DC
CHARGER
BATTERY GAUGE
D-ADC
LF CUT
D-ADC
LF CUT
MIX
ASRC
IN1
IN2
AES1
AES2
USB1
USB2
MIX1
MIX2
LINE OUT
METERS
MON
MON
AES
RX
AES
TX
MON
MON
ASRC
POWER
MANAGEMENT
MON
2CH
2CH
2CH
2CH
MIC1
MIC2
AES2
AES1
USB1
USB2
MIX1
MIX2
REF TONE
LEFT
RIGHT
OUTPUT
LEVEL
MIX
MIX L
MIX R
COMPRESSOR
OUTPUT
LEVEL
MIC1
2CH
2CH
2CH
MIC2
AES2
AES1
USB1
USB2
MANAGEMENT
AUDIO
USER INTERFACE
INTERFACE
USER
MONO
STEREO
REV-STEREO
M/S
--- (NONE)
1 -> L
1 -> C
1 -> R
2 -> L
2 -> C
2 -> R
SX-M2D2+ User Manual
7/37