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

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Компоненты Описание

производитель

GA3202

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

Gennum -> Semtech 

1000

100

198k

10

9k

1

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

INPUT LEVEL (dBV)

Fig. 11 Stage A Compressor Feedback Resistor Value

1.6M

1:1

72k

2:1

4:1

15k

INPUT LEVEL (dBV)

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

100

1k

FREQUENCY (Hz)

VIN = -80 dBV

10k 20k

Fig. 13 Crossover Frequency Representation

50

1:1 IN LOW FREQUENCY

4:1 IN HIGH FREQUENCY

40

RƒC = ∞

100kΩ

30

47kΩ

22kΩ

20

10kΩ

0Ω

10

0

-10

20

100

1k

FREQUENCY (Hz)

VIN = -80 dBV

10k 20k

Fig. 14 Frequency Response for Different Rƒc Resistor Values

10

VIN = -40 dBV

1

10

ƒ = 1kHz

1

0.1

100

0.1

1k

10k

-80

-70

-60

-50

-40

-30

-20

FREQUENCY (Hz)

INPUT LEVEL (dBV)

Fig. 15 THD and Noise vs Frequency

Fig. 16 THD and Noise vs Input Level

521 - 91 - 03

6

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