FX619 データシートの表示（PDF） - CML Microsystems Plc
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FX619 Datasheet PDF : 11 Pages
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Codec Performance ...... relative to the Eurocom Specification D1 - IA8
3
2
1
0
-1
Ref: 0dBm0 Input Level = 489mVrms
-2
Input Frequency = 820Hz
-3
ref.
- 50 - 40 - 30 - 20 - 10 0 10
Input Level (dBm0)
Fig.5 Gain vs Input Level (16kbit/s)
3
2
1
0
-1
Ref: 0dBm0 Input Level = 489mVrms
Input Frequency = 820Hz
-2
-3
ref.
- 50 - 40 - 30 - 20 - 10 0 10
Input Level (dBm0)
Fig.6 Gain vs Input Level (32kbit/s)
20
Ref: 0dBm0 Input Level = 489mVrms
Input Frequency = 820Hz
15
10
8
- 40
- 30
- 20
- 10
0
Input Level (dBm0)
Fig.7 S/N vs Input Level (16kbit/s)
Ref: 0dBm0 Input Level = 489mVrms
Input Frequency = 820Hz
25
20
15
- 40
- 30
- 20
- 10
0
Input Level (dBm0)
Fig.8 S/N vs Input Level (32kbit/s)
+ 10
1.5
0
1.5
- 10
- 20
Input Level = -20dBm0
- 30
- 40
- 50
- 60
0
0.3
1
Fig.9 Attenuation Distortion vs Frequency (16kbit/s)
2
2.6 3
6
4
5
6
Frequency (kHz)
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