GE570 Просмотр технического описания (PDF) - Gennum -> Semtech
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GE570 Datasheet PDF : 7 Pages
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1000
198kΩ
100
9kΩ
10
1
-100 -90
-80 -70 -60 -50 -40
INPUT LEVEL (dBV)
30 -20
Fig. 11 Stage A Compressor Feedback Resistor Value
10000
1.6MΩ
1000
100 72kΩ
1:1
2:1
4:1
15kΩ
10
-100 -90
-80 -70 -60 -50 -40
INPUT LEVEL (dBV)
30 -20
Fig. 12 Expander / Compressor Resistors Values
50 Rƒc = ∞
40
30
Crossover
Frequency
20
10
0
-10
20
4:1 in Low Frequency
1:1 in High Frequency
1:1 in Low Frequency
4:1 in High Frequency
VIN = -80dBV
100
1k
FREQUENCY (Hz)
10k 20k
Fig. 13 Crossover Frequency Representation
50
1:1 in Low Frequency Gain
4:1 in High Frequency
40
Rƒc=∞
100kΩ
30
47kΩ
20
10
0
22kΩ
10kΩ
0Ω
-10
20
VIN = -80dBV
100
1k
10k 20k
FREQUENCY (Hz)
Fig. 14 Frequency Response for Different
Rƒc Resistor Values
10
VIN=-40dBV
1
10
VIN--40dBV
1
0.1
100
1000
FREQUENCY (Hz)
10000
Fig. 15 THD and Noise vs Input Level
0.1
-80
-70
-60
-50
-40
-30
-20
FREQUENCY (Hz)
Fig. 16 THD and Noise vs Input Level
522 - 07 - 00
6
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