TL084 데이터 시트보기 (PDF) - STMicroelectronics

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TL084

General purpose JFET quad operational amplifier

STMicroelectronics 

Typical applications

TL084

Figure 22. Positive feeback bandpass filter

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

Figure 23. Output A

Figure 24. Output B

Second order bandpass filter

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

Cascaded bandpass filter

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

10/16

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