FHP3194(2006_10) Просмотр технического описания (PDF) - Fairchild Semiconductor

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FHP3194
(Rev.:2006_10)

4:1 High-Speed Multiplexer

Fairchild Semiconductor 

Application Information

Circuit Diagrams

+5V

6.8µF

IN1

75Ω

IN2

75Ω

IN3

75Ω

6.8µF

0.1µF

6dB (G = 2) Configuration

1

14

2

13

3

12

4

11

5

10

6

9

7

8

0.1µF

75Ω

OUT

RF = 475Ω

A1

RT*

A0

EN

RT*

SD

RT*

RG = 475Ω

IN4

75Ω

-5V

*Termination resistors (RT = 50Ω) are optional.

RT*

IN1

75Ω

IN2

75Ω

IN3

75Ω

IN4

75Ω

Figure 31. Typical Application Circuit 6dB Gain (G = 2)

6.8µF

0.1µF

-5V

+5V

6.8µF

0dB (G = 1) Configuration

1

14

2

13

3

12

4

11

5

10

6

9

7

8

0.1µF

75Ω

OUT

RF = 1.5k

A1

RT*

A0

EN

RT*

SD

RT*

RT*

*Termination resistors (RT = 50Ω) are optional.

Figure 32. Typical Application Circuit 0dB Gain (G = 1)

© 2006 Fairchild Semiconductor Corporation

11

FHP3194 Rev. 1.0.1

www.fairchildsemi.com

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