GA3205 Просмотр технического описания (PDF) - Gennum -> Semtech

Номер в каталоге

Компоненты Описание

производитель

GA3205

FRONTWAVE™ Multi-Microphone Hybrid

Gennum -> Semtech 

TYPICAL PERFORMANCE CURVES

20

R6 - Tap 15

VIN = -40 dBV

15

10

5

0

R6 - Tap 0

-5

-10

20

100

1k

FREQUENCY (Hz)

Fig. 5 Frequency Response

for Different R6 Tap Settings

(Front Channel)

10k 20k

35

30

25

20

15

10

5

01

2 3 4 5 6 7 8 9 10 11 12 13 14 15

R4 RESISTOR TAPS

Fig. 6 Stage C Time Delay Adjustment

5

VIN = -40 dBV

R8 - Tap 0

0

R8 - Tap 14

-5

R8 - Tap 24

-10

R3 & R4 - Tap 0

R3 & R4 - Tap 15

-15

100

1k

10k

FREQUENCY (Hz)

Fig. 7 Frequency Response

(Rear Channel)

-20

f = 1 kHz

-30

-40

FRONT CHANNEL: R7 - Tap 0

R7 - Tap 24

-50 REAR CHANNEL: R8 - Tap 0

R8 - Tap 24

-60

-70

-80

-90

-100 -90

-80 -70 -60 -50 -40

INPUT LEVEL (dBV)

-30 -20

Fig. 8 I/O Transfer Function for

Front and Rear Channels

1

VIN = -40 dBV

0.1

REAR CHANNEL

FRONT CHANNEL

0.01

100

1k

10k

FREQUENCY (Hz)

Fig. 9 THD and Noise vs Frequency

10

f = 1 kHz

1

0.1

FRONT CHANNEL

REAR CHANNEL

0.01-80

-70

-60

-50

-40

-30

-20

INPUT LEVEL (dBV)

Fig. 10 THD and Noise vs Input Level

5

522 - 18 - 01

Share Link: