SM7183 데이터 시트보기 (PDF) - Samhop Mircroelectronics

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SM7183

ECHO

Samhop Mircroelectronics 

三合微科股份有限公司

SAMHOP Microelectronics Corp.

SM7183

ECHO

MUTE APPLICATION CIRCUIT

MIC OUTPUT

1K

+5V

1K

1K

10K

+5V

28

-

IC1

1

+

3

4

1K

+5V +5V

+5V 7.5K VR2 2M

3 +- 8

+5V

2

IC2

+- 4

1

10K

+5V

2

3

-

IC3

+

7

4

6

PIN14

VR1

10K

Q1

8550

10μF

VR2

1.46M

1.2M

1.0M

0.8M

0.6M

0.4M

Time

11.0S

9.0S

7.6S

6.0S

4.5S

3.0S

Page 12

V.2.0 MAR. 8, 2002

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