TL074AC 查看數據表（PDF） - STMicroelectronics

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TL074AC

LOW NOISE J-FET QUAD OPERATIONAL AMPLIFIERS

STMicroelectronics 

TYPICAL APPLICATIONS (continued)

POSITIVE FEEDBACK BANDPASS FILTER

TL074 - TL074A - TL074B

Input

43k Ω

22 0pF

43k Ω

22 0p F

-

1/4

TL 074

16k Ω

43k Ω

1.5k Ω

30k Ω

-

1/4

TL 07 4

43k Ω

22 0p F

2 20 pF

43k Ω

-

1/4

TL 074

16k Ω

43k Ω

1 .5 k Ω

30k Ω

-

1/4

TL 074

Output B

Output A

Ground

OUTPUT A

OUTPUT B

SECOND ORDER BANDPASS FILT ER

fo = 100kHz; Q = 30; Gain = 16

CASCADED BANDPASS FILTE R

fo = 100kHz; Q = 69; Gain = 16

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