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參數(shù)資料
| 型號： | MC33111 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Low Voltage Compander |
| 中文描述： | 低電壓擴展器 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 131K |
| 代理商： | MC33111 |
MOTOROLA
6
MC33111
Expander
Vo
Vo
O
f, FREQUENCY (Hz)
100
15
– 40
20
100
25
1.0
1000
Vin, INPUT VOLTAGE (dB)
O
f, FREQUENCY (Hz)
Vin = 1.0 mVrms
Figure 5. Frequency Response (Compressor)
Figure 6. Frequency Response (Expander)
Figure 3. Transfer Characteristics
Vin, INPUT VOLTAGE (mVrms)
Figure 4. Transfer Characteristics
Compressor
Expander
0 dB = 100 mVrms
Vin = 10 mVrms
Vin = 100 mVrms
Vin = 1.0 Vrms
Vin = 316 mVrms
Vin = 100 mVrms
Vin = 31.6 mVrms
Vin = 10 mVrms
100
10
15
5.0
– 5.0
0
– 20
5.0
0
– 5.0
–15
– 25
–15
0
10
20
1000
10
100
– 20
0
20
1000
10k
100k
1000
10k
100k
1.0
–10
– 35
– 40
Compressor
Attack Time = Time to 1.5 x V1 from input increase.
Decay Time = Time to 0.75 x V2 from input decrease.
Test per EIA-553.
Output
(Pin 2)
Input
(Pin 3)
V1
90 mV
V2
360 mV
Figure 8. Attack and Decay Times (Expander)
Attack Time = Time to 0.57 x V1 from input increase.
Decay Time = Time to 1.5 x V2 from input decrease.
Test per EIA-553.
Output
(Pin 15)
Input
(Pin 14)
V1
100 mV
V2
200 mV
Figure 7. Attack and Decay Times (Compressor)
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