GA3204 Просмотр технического описания (PDF) - Gennum -> Semtech
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GA3204 Datasheet PDF : 8 Pages
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TYPICAL PERFORMANCE CURVES
-20
ƒ = 4 kHz
R1 - Tap 15
-30
R6 - Tap 0
-40
-50
R6 - Tap 15
-60
-70
-80
-90
-100 -90 -80 -70 -60 -50 -40 -30 -20
INPUT LEVEL (dBV)
Fig. 5 I/O Transfer Function for Different
Compression Ratios (High Frequency Channel)
50
48
VIN = -80dBV
44
40
36
32
28
24
20
16
12
8
4
0
012
3 4 5 6 7 8 9 10 11 12 13 14 15
R6 RESISTOR TAPS
(Tap 0 - 0kΩ, Tap 15 - 185kΩ)
Fig. 6 High Frequency Gain
(Compression Ratio Adjustment)
-20
ƒ = 1 kHz
R1 - Tap 0
-30
R3 - Tap 0
-40
-50
R3 - Tap 15
-60
-70
-80
-90
-100 -90 -80 -70 -60 -50 -40 -30 -20
INPUT LEVEL (dBV)
Fig. 7 I/O Transfer Function for Different
Compression Ratios (Low Frequency Channel)
50
48
44
40
36
32
28
24
20
16
12
8
4
0
0
VIN = -80dBV
12 34 5 6
78
9 10 11 12 13 14 15
R3 RESISTOR TAPS
(Tap 0 - 0kΩ, Tap 15 - 185kΩ)
Fig. 8 Low Frequency Gain (Compression Ratio Adjustment)
50
R3 - Tap 0
VIN = -80dBV
40
R1 - Tap 0
30
R1 - Tap 15
20
10
0
20
100
1k
FREQUENCY (Hz)
10k 20k
Fig. 9 Frequency Response for
Different Crossover Frequency Steps
GENNUM CORPORATION
50
R6 - Tap 0
VIN = -80dBV
40
30
R1 - Tap 15
R1 - Tap 0
20
10
0
20
100
1k
FREQUENCY (Hz)
10k 20k
Fig. 10 Frequency Response for
Different Crossover Frequency Steps
5
522 - 17 - 03
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