TL084AI View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TL084AI

GENERAL PURPOSE J-FET QUAD OPERATIONAL AMPLIFIERS

STMicroelectronics 

TYPICAL APPLICATIONS (continued)

POSITIVE FEEDBACK BANDPASS FILTER

TL084 - TL084A - TL084B

16k Ω

220pF

43k Ω

43k Ω

Input

-

22 0p F 1/4

TL084

43k Ω

1.5 k Ω

30k Ω

-

1/4

TL084

43k Ω

220pF

220pF

43k Ω

-

1/4

TL084

16k Ω

43k Ω

1.5 k Ω

30k Ω

-

1/4

TL084

Output B

Output A

Ground

OUTPUT A

OUTPUT B

SECOND ORDER BANDPASS FILTER

fo = 100kHz; Q = 30; Gain = 4

CASCADED BANDPASS FILTER

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

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