2 analog audio inputs, 3 digital audio inputs, 4 data inputs – Nevion AVA-MUX User Manual
Page 7: 5 outputs, 1 sdi output
AVA-MUX
Rev. C
nevion.com | 7
2.4.2 Analog audio inputs
Number of inputs:
4.
Sampling frequency:
48 kHz.
Differential input impedance:
24 kohm.
Common mode input impedance:
50 kohm.
Connector:
DB-25F (Female with UNC threads).
Maximum signal level (0 dBFS):
+12, +13.5, +15, +16.7, +18, +20, +21 or +24dBu.
Level precision:
+/- 0.1dB where Zsource < 40 ohm.
Common mode voltage tolerance:
+/- 30V
– (Maximum peak signal level).
Frequency response:
20 Hz
– 20 kHz 0.1 dB.
Pass-band ripple:
+/- 0.005 dB.
Stop band attenuation:
80 dB.
Dynamic range
1
:
Min. 103 dB (A), typical 107 dB (A).
THD+N @ -1 dBFS:
Max. -90 dB, typical -96 dB.
Intermodulation distortion
2
:
Max. -90 dB, typical -95 dB.
Crosstalk:
Max. -90 dB, typical -99 dB.
CMRR (20 Hz
– 15 kHz):
Max. 70 dB @ 15 kHz, typical -90 dB @ low
frequencies.
2.4.3 Digital Audio Inputs
Number of AES3 inputs:
2.
Audio data rate:
30 kHz to 200 kHz, converted to 48 kHz if not 48 kHz
and isochronous to the video input signal.
Input impedance:
110 ohms transformer balanced.
Connector (C1 backplanes):
DB-25F (Female with UNC threads).
Embedded audio word length:
20 or 24 bits.
Embedded audio Channel Status:
As received when isochronous, otherwise fixed.
Sample rate converter dynamic
range:
139 dB (A) @ 1kHz.
2.4.4 Data inputs
RS422:
1.
Connector:
8P8C Modular jack.
UART mode:
Baud rates:
9600 to 115200.
Data length:
7 or 8 bits.
Parity:
None, odd or even.
Stop bits:
1, 1.5 or 2 bits.
GPI mode:
Raw data sampling frequency:
93750 Hz.
2.5 Outputs
2.5.1 SDI output
Video Data rate:
270Mbps.
Number of SDI outputs:
1.
Connector:
BNC.
Impedance:
75 ohms.
Return loss:
> 15dB @270MHz.
Signal level:
nominal. 800mV.
Rise/fall time:
typically 650ps.
1
|THD+N of -60 dBFS 1 kHz signal| + 60.
2
Signal at -12 dBFS, SMPTE 4:1 60 Hz + 7 kHz.