GA3202 Просмотр технического описания (PDF) - Gennum -> Semtech

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производитель

GA3202

DynamEQ II WDRC system, (4.83 x 2.67 x 1.27mm)

Gennum -> Semtech 

TYPICAL PERFORMANCE CURVES

-10

-20

3 :1

2 :1

-30

4 :1

-40

-50

1.5 :1

-60

1.2 :1

-70

1 :1

-80

-90

-100 -90 -80 -70 -60 -50 -40 -30 -20

OUTPUT LEVEL (dBV)

Fig. 5 I/O Transfer function for Different Compression Ratios

50

VIN = -80 dBV

40

VIN = -60 dBV

30

20

VIN = -40 dBV

10

VIN = -20 dBV

0

-10

20

100

1k

10k 20k

FREQUENCY (Hz)

Fig. 6 Frequency Response for Different Input Levels

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.0

1.0 1.3 1.6 1.9 2.2 2.5 2.8 3.1 3.4 3.7 4.0

COMPRESSED RATIO (RATIO)

Fig. 7 Compression Settings Resistor Ratio for High Pass Channel

(RHI1 & RHI2) and Low Pass Channel (RLO1 & RLO2)

50

VIN = -60 dBV

40

RIVC = 220kΩ

RIVC = 100kΩ

30

RIVC = 47kΩ

20

RIVC = 20kΩ

RIVC = 10kΩ

10

0

-10

20

100

1k

FREQUENCY (Hz)

10k 20k

Fig. 8 Frequency Response for Different RVC Values

-10

COMPRESSION 1:1

RMPO = 0

-20

RMPO = 10k

RMPO = 22k

RMPO = 100k

-30

RMPO = ∞

-40

-50

-50

-40

-30

-20

INPUT LEVEL (dBV)

Fig. 9 I/O Transfer Function for

Different RMPO Resistors

-10

-20

-30

RTH = ∞

RTH = 0Ω

-40

RTH = 10kΩ

RTH = 22kΩ

-50

RTH = 47kΩ

-60

RTH = 100kΩ

-70

-100 -90 -80 -70 -60 -50 -40 -30 -20

INPUT LEVEL (dBV)

Fig. 10 I/O Transfer Function for

Different RTH Resistors

5

521 - 91 - 03

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