SC5389 查看數據表（PDF） - Silan Microelectronics

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SC5389

5-MODE PRESET EQUALIZER IC WITH BASS BOOSTER & 3D EFFECTS

Silan Microelectronics 

Silan

Semiconductors

SC5389

Bass Adjustment

Bass adjustments can be made by changing the values of the capacitors connected between BL1 – BL2 pins, and

BR1 – BR2 pins. The larger the capacitor value used, the frequency response curve shifts down. Likewise, the

capacitor value, the frequency response curve shifts the opposite direction. Please refer to the diagram below.

+12

+11

+10

+9

+8

+7

+6

+5

+4

dB +3

+2

+1

0

-1

-2

-3

-4

20

0.056µf

0.068µf

0.1µf

50 100 200

500

1k

2k

Hz

5k 10k 20k

BL1—BL2 Capacitor vs. Frequency Response Curve

In the diagram above, at 9 dB – different capacitor values exhibit different frequency responses. A capacitor with a

value of 0.1µf has smaller frequency response than a 0.056µf capacitor.

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0

2000.12.31

8

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