GS3028 Ver la hoja de datos (PDF) - Gennum -> Semtech

Número de pieza

componentes Descripción

Lista de partido

GS3028

DynamEQ® II WDRC System

Gennum -> Semtech 

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

Rƒc

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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