KA2223 查看數據表（PDF） - Samsung

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KA2223

5BAND GRAPHIC EQ AMP

Samsung 

KA2223

5BAND GRAPHIC EQ AMP

TEST CIRCUIT

Vcc

47u

3.3u

22u

1000P

16 15 14 13 12 11 10 9

KA2223

1

2

3

4

5

6

7

8

C1

0.039u

0.012u

0.0039u

0.0012u

0.012u

OUTPUT

10K

C2 0.68u

0.22u

0.068u

0.022u

0.22u

INPUT

4.7K 3.3u 108Hz

343Hz

1.08KHz

3.43KHz

Resonant frequency f0 =

2¥ð

1

R1 R2 R1 R2

(R1 = 1.2K, R2 = 68K on-chip resistor)

100Kx5

10.8KHz

Fig. 2

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