LTC6605-7

13

66057f

APPLICATIONS INFORMATION

66057 F05a

–

+

22

18

–

+

16

12

2

4

1

5

8

10

7

11

±0.4dB 6.7MHz PASSBAND

GAIN = 1V/ V (0dB)

ZIN = 800Ω

80.6Ω

80.6Ω

66057 F05b

–

+

22

18

–

+

16

12

2

4

1

5

8

10

7

11

±0.4dB 6.7MHz PASSBAND

GAIN = 2.85V/ V (9.1dB)

ZIN = 280Ω

40.2Ω

40.2Ω

40.2Ω

40.2Ω

66057 F05c

±0.4dB 6.7MHz PASSBAND

GAIN = 3.85V/ V (11.7dB)

ZIN = 208Ω

–

+

22

18

–

+

16

12

2

4

1

5

8

10

7

11

40.2Ω

40.2Ω

40.2Ω

40.2Ω

Figure 5. Flat Passband 6.7MHz Filter Configurations with Some External Resistors

Gain Response

Gain Response

Gain Response

Phase and Group Delay Response

Small Signal Step Response

FREQUENCY (MHz)

10

1

0.1

–50

0

–10

–20

–30

–40

10

20

100

1000

66057 F05d

FREQUENCY (MHz)

10

1

0.1

–50

0

–10

–20

–30

–40

10

20

100

1000

66057 F05e

FREQUENCY (MHz)

10

1

0.1

–50

0

–10

–20

–30

–40

10

20

100

1000

66057 F05f

FREQUENCY (MHz)

10

1

0.1

–50

–100

–150

–200

–250

0

5

10

15

20

25

30

35

0

100

1000

66057 F05g

PHASE

GROUP DELAY

100mV/DIV

66057 G05h

20ns/DIV

GAIN = 1V / V