U2535B 데이터 시트보기 (PDF) - Temic Semiconductors

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U2535B

Preamplifier for IR Remote Control

Temic Semiconductors 

Bandpass Filter Design

Center frequency

+ p Ǹ fO

1

2 R1 C1 R2 C2

[ ) GAIN

R1 C1

R2 (C1 C2)

[ p ) Bandwidth 2

C1 C2

R1 C1 C2

y R1 >> R2

C1 C2

BW << fO

W Note: R1 should be about 300 k .

! Results can be influenced by feedback (Pin 2 Pin 8)

U2535B

Package Information

Package SO8

Dimensions in mm

5.2

4.8

5.00

4.85

3.7

1.4

0.4

0.25

0.2

0.10

3.8

1.27

6.15

3.81

5.85

8

5

technical drawings

according to DIN

specifications

1

4

13034

Rev. A2, 15-Oct-98

5 (6)

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