AU5517D データシートの表示（PDF） - Philips Electronics

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AU5517D

Dual operational transconductance amplifier

Philips Electronics 

Philips Semiconductor

Dual operational transconductance amplifier

Product data

NE5517/NE5517A/

AU5517

1

+VCC

10k

3+

11

2

NE5517/A

–

6

1k

–VCC

57

800pF

20k

16

15k

+VCC

14

+

20k

5.1k

15

NE5517/A

–

13

1k

–VCC

BANDPASS OUT

12 10

800pF

20k

Figure 18. State Variable Filter

VC

INT

+VCC

LOW

PASS

VOUT

9

5.1k

–VCC

INT

SL00323

30k

VC

+VCC

4–

11

NE5517/A

1

5

7

INT +VCC

13

–

NE5517/A

3+

6

C

0.1µF

+

8

14

–VCC

20k

+VCC

47k

12 10

16

–VCC VOUT1

Figure 19. Triangle-Square Wave Generator (VCO)

INT

+VCC

9

VOUT2

10k

–VCC

INT

GAIN

CONTROL

SL00324

IC

470k

VC

IB

1

+VCC

4+

11

5

2

NE5517/A

3

–

6

C

0.1µF

R1

–VCC

30k

+VCC

INT +VCC

13

–

16

47k

7

12 10

NE5517/A

8

+

14

R2

20k

30k

NOTE:

–VCC VOUT1

(VC * 0.8) R1

2VPK x C

2VPKxC

IC

VPK + R1 ) R2 TH +

IB

TL + IC

fOSC 2VPKxC IC t

t IB

Figure 20. Sawtooth Pulse VCO

INT +VCC

30k

–VCC

VOUT2

INT

SL00325

2002 Dec 06

14

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