Service manual

A-18
Audio output
A
Technical specifications
Sampling frequency 32, 44.1 and 48 kHz
Resolution ≥ 16 bits per sample
Insertion gain ±0.2 dB
Pass band frequency response ±0.15 dB rel. 1 kHz
32 kHz sample rate 20 to 14,500 Hz
44.1 and 48 kHz sample rate: 20 to 20,000 Hz
Amplitude non-linearity at 1,020 Hz, relative to clipping level
-20 dBm0 ± 0.10 dB
-40 dBm0 ± 0.25 dB
-60 dBm0 ± 1.0 dB
THD at 1,020 Hz, Layer II < -80 dB, 3 dB below clipping level
THD at 1,020 Hz, linear audio < -85 dB, 3 dB below clipping level
SINAD at 1,020 Hz, Layer II > 60 dB, 3 dB below clipping level
SINAD at 1,020 Hz, linear audio > 80 dB, 3 dB below clipping level
Idle channel noise, Layer II < -60 dBq0ps, weighted acc. to
ITU-R Rec. 468
< -67 dBq0, unweighted acc. to
ITU-R Rec. 468
< -71 dBm0, unweighted RMS acc.
to ITU-R Rec. 468
Idle channel noise, Linear audio < -80 dBq0ps, weighted acc. to
ITU-R Rec. 468 [15]
< -85 dBq0, unweighted acc. to
ITU-R Rec. 468 [15]
< -90 dBm0, unweighted RMS acc.
to ITU-R Rec. 468 [15]
Crosstalk < -80 dB, 20 Hz to 20 kHz
Difference in gain between channels 0.2 dB, 20 Hz to 20 kHz
Difference in phase between channels < 3°,20Hzto20kHz
Delay relative to video -5 to 10 ms
Recovery time after
Input loss to decoder < 2500 ms
Switch from one channel to another < 1000 ms
Digital audio output Interface type AES/EBU balanced
Number of outputs Two including optional audio chan-
nel.
Connector type Male XLR
Digital audio output
performance
Signal format AES/EBU
Line rate ± 10 ppm
Line coding Bi-phase-mark
Return loss > 21 dB, 0.1 to 6.0 MHz
Nominal data amplitude 3.0 to 7.0 Vpp
Maximum data amplitude 10 V
pp
Resolution 16 bit