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764 Digital Audio Monitor User Manual
75
Appendix A: Specifications
Table 20: Digital audio inputs
Characteristic Performance require-
ments
Supplemental information
Impedance
Balanced inputs (XLR)
Term switched in 110 Ω ± 5% 0.1 MHz to 6 MHz
Term switched out Return loss >30dB 0.1 MHz to 6 MHz. Relative to
110 Ω load at loop-through
connector.
Unbalanced inputs Return loss > 30dB Relative to 75Ω load at
loop-through connector.
Input level
Balanced inputs 0.2 to 10 V
p–p
Unbalanced inputs 50 mV
p–p
to 2 V
p–p
Reference input
Balanced input
Connector type XLR, terminated, no loop-
through
Input impedance 110 Ω ± 10% 0.1 to 6 MHz
Input level 0.6 to 10 V
p–p
Unbalanced input
Connector type BNC, terminated, no loop-
through
Input impedance 75Ω ± 10% 0.1 to 6 MHz
Input level 0.2 V
p–p
to 2 V
p–p
Sample rate locking range,
all audio inputs
27 kHz to 52 kHz