GS3028 Ver la hoja de datos (PDF) - Gennum -> Semtech
Número de pieza
componentes Descripción
Fabricante
GS3028 Datasheet PDF : 8 Pages
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0µ22
1:1
RLO RHI 4:1 CSAD VREG
13
12
11 10
9
8
OUT RTH
2:1
MPO
IN
14
15
16 17
7
GND
VB
BOUT BIN
FOUT 5
1
2
3
4
RÆ’c
6
MICROPHONE
RECEIVER
VOLUME
CONTROL
0µ22
-
BATTERY
Fig. 5 Typical Assembly Diagram
TYPICAL PERFORMANCE CURVES
-10
-20
3:1
2:1
-30
4:1
-40
1.5:1
-50
1.2:1
-60
1:1
-70
-80
-90
-100 -90 - 80 -70
-60 -50 -40 -30 -20
INPUT LEVEL (dBV)
Fig. 6 I/O Transfer function for Different Compression Ratios
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0
COMPRESSION RATIO (RATIO)
Fig. 8 Compression Settings Resistor Ratio for High Pass
Channel (RHI1 & RHI2) and Low Pass Channel (RLO1 & RLO2)
5
50
VIN = -96dBV
40
30
VIN = -80dBV
VIN = -60dBV
20
VIN = -40dBV
10
VIN = -20dBV
0
-10
20
100
1k
FREQUENCY (Hz)
10k 20k
Fig. 7 Frequency Response for Different Input Levels
50
VIN = -60dBV
40
RVC = 220kΩ
RVC = 100kΩ
30
RVC = 47kΩ
20
RVC = 22kΩ
RVC = 10kΩ
10
0
-10
20
100
1k
FREQUENCY (Hz)
10k 20k
Fig. 9 Frequency Response for Different RVC Values
521 - 34 - 03
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