7700 MultiFrame Manual
7707AT-A Multi-Channel Analog Audio Fiber Transmitter
Page - 6
Revision
2.3
3. SPECIFICATIONS
Audio performance specifications measured at the output of a companion 7707AR-A
Audio Receiver.
3.1.
ANALOG AUDIO INPUTS
Number of Inputs:
7707AT-A8:
8
7707AT-A12:
12
Connectors:
Multi-pin Removable Terminal Blocks
Input Level:
+24dBu (max)
Frequency Response:
±
0.1dB (max, 20Hz to 20KHz)
THD + Noise:
-90dB or 0.003% (max, 20Hz to 20KHz bandpass, @1KHz, 0dBFS)
Crosstalk:
-100dB (max, 20Hz to 20KHz, measured channel connected at input)
S/N Ratio:
100dB (min, 10Hz to 20KHz bandpass), 90dB (min, 10Hz to 80KHz)
Channel Phase:
±
0.5degrees (max, 20Hz to 20KHz)
Input Impedance:
10K
Ω
(min, differential)
Adjustable Gain:
See 7707AR-A Audio Receiver
Sample Rate:
52.7KHz
Resolution:
24 Bits
3.2. OPTICAL
OUTPUT
Connector:
SC/PC, ST/PC, FC/PC female housing
Fiber Size and Type:
Single Fiber versions: 9
µ
m core / single mode
Output Wavelengths:
Standard:
1310nm, 1550nm (nominal)
CWDM:
1270nm to 1610nm (ITU-T G.694.2 compliant).
DWDM:
1530nm to 1560nm (ITU-T G.694.1 compliant).
Output Power:
1310nm FP (Standard):
-7 dBm (nom) ±1dBm
CWDM DFB
:
0 dBm (nom) ±1dBm
DWDM DFB:
+7 dBm (nom) ±1dBm
3.3. SYSTEM
PERFORMANCE
Delay of Transmitter/Receiver Pair:
<1.3ms
Delay is through a 1 meter length fiber cable between the transmitter/receiver
modules.