LTC1064 데이터 시트보기 (PDF) - Linear Technology

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LTC1064

Low Noise, Fast, Quad Universal Filter Building Block

Linear Technology 

TYPICAL APPLICATIO S

Wideband Bandpass: Ratio of High to Low Corner Frequency Equal to 2

R14

R23

R33

R43

5V TO 8V

R11

VIN

C1

0.1µF

R41

R31

R21

R13

1 INV B

INV C 24

2 HPB/NB HPC/NC 23

3 BPB

BPC 22

4 LPB

LPC 21

5 SB

SC 20

6 AGND

V– 19

7 V+ LTC1064 CLK 18

8 SA

50/100 17

9 LPA

LPD 16

10 BPA

BPD 15

11 HPA/NA

HPD 14

12 INV A

INV D 13

R24

R34

R44

fCLK ≤ 7MHz

R42

R32

R22

R12

VOUT

–5V TO –8V

0.1µF

C2

RESISTOR VALUES:

R11 = 16k R21 = 16k R31 = 7.32k

R12 = 10k R22 = 10k R32 = 22.6k

R13 = 23.2k R23 = 13.3k R33 = 21.5k

R14 = 6.8k R24 = 20k R34 = 15.4k

R41 = 10k

R42 = 13.3k

R43 = 10k

R44 = 32.4k

NOTE: FOR fCLK ≥ 3MHz, USE C1 = C2 = 22pF

1064 TA03

LTC1064

Amplitude Response

15

0

fCLK = 7MHz

–15

–30

–45

fCLK = 2MHz

–60

–75

–90

VS = ±8V

–105

10k

100k

INPUT FREQUENCY (Hz)

1M

1064 TA04

Quad Bandpass Filter with Center Frequency Equal to fO, 2fO, 3fO and 4fO

R12

VIN1

5V TO 8V

R11

VIN3

R22

R32

0.1µF

R31

R21

10.5k

1 INV B

INV C 24

2 HPB/NB

HPC/NC 23

R23

3 BPB

BPC 22

R33

4 LPB

LPC 21

R43

5 SB

SC 20

6 AGND

V– 19

7 V+ LTC1064 CLK 18 fCLK

8 SA

50/100 17

9 LPA

LPD 16

R44

10 BPA

BPD 15

R34

11 HPA/NA

HPD 14

R24

12 INV A

INV D 13

17.4k

20k

20k

R13

VIN2

–5V TO –8V

0.1µF

R14

VIN4

RESISTOR VALUES:

R11 = 249k R21 = 10k

R12 = 249k R22 = 10k

R13 = 499k R23 = 10k

R14 = 453k R24 = 10k

R31 = 249k

R32 = 249k

R33 = 174k

R34 = 249k

R43 = 17.8k

R44 = 40.2k

20k

–

LT1056

+

Amplitude Response

5

fCLK = 2MHz

0

–5

–10

–15

–20

–25

–30

–35

–40

0

10

20

30

40

50

INPUT FREQUENCY (kHz)

1064 TA06

VOUT

1064 TA05

1064fb

11

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