Digital Voice Systems VC-20-MR2, Руководство пользователя

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Section 6 – Advanced Features
VC-20 AMBE™ Vocoder Board User’s Manual
page 9
The Speech Compression Specialists
D
IGITAL
V
OICE
S
YSTEMS,
I
NC.
3 Board Set-up & Configuration
3.1 Connection Specifications
Connector:
Type DIN 41612 Connector (male)
Physical
:
Description 100 mm (Single Euro-card [3U]) height (see Figure 6)
Analog Input:
Type single-ended
Impedance 600 ohm
Sensitivity 0 dBm0 = 0 dBm
Sinusoidal
Overload
+3.17 dBm0
Nominal Level -23 dBm0 (average speech level)
Dynamic Range +/- 10 dB (relative to Nominal Level)
Noise Level -72 dBm0
Analog Output:
Type single-ended
Impedance low impedance output, capable of driving a 600 ohm load
Sensitivity 0 dBm0 = 0 dBm
Sinusoidal
Overload
+3.17 dBm0
Nominal Level -23 dBm0 (average speech level)
Dynamic Range +/- 10 dB (relative to Nominal Level)
Noise Level -72 dBm0
Bandwidth 20 – 3700 Hz.
Digital Interface:
Type TTL compatible
Power:
2 watts @ 5v digital, .2 watts @ +/- 5v analog