CMN-91
Installation and Operation Manual
Specifications
© 2016 Imagine Communications Corp. Proprietary and Confidential.
Revision D | Page 152
External Reference Input Specifications
Item
Specification
Input connector type
BNC female
Input type
1 input, passive looping
Input impedance
75
nominal
Blackburst input amplitude (External
reference)
NTSC
Sync and burst 286 mV nominal
PAL
Sync and burst 300 mV nominal
Blackburst input amplitude tolerance
±6 dB
Tri-level sync amplitude
600 mV p-p
Tri-level sync amplitude tolerance
±3 dB
Return loss
-40 dB 100 kHz to 5 MHz
Digital Audio Input Specifications
Item
Specification
Audio formats
AES/EBU, embedded audio
AES input connector type
1 BNC female
AES input impedance
75
nominal
AES input return loss
25 dB, 0.1 MHz to 6 MHz (unbalanced)
AES input level
0.2 to 2.0 V
AES input sample rate (audio inputs are
sample rate converted to 48 kHz)
32 kHz
44.1 kHz
48 kHz
88.2 kHz
96 kHz
Meter accuracy over frequency
±0.1 dB from 20 Hz to 19 kHz with 0 to -40 dBFS sine wave
input, except for within 7 Hz of some submultiples of the
240 kHz oversampling frequency.