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Microphone, Measurement circuit, Filter – BeStar BCM4520OLF-42 User Manual

Page 4

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C

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Date

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www.be-star.com [email protected]

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Shield Case

ECM unit

FET impedance
Converter

3. Measurement Circuit:

-

Earth

Terminal 2

Output

Power Supply 4.5V

RL=2.2K

Terminal 1

F

+

BCM4015OLFC-42

Page:4 of 7

DRG NO: BS/TEM01.125C

filter

1.0

±0.3

25

±3

BCM4520OLF-42

Checked by:

Drawn by:

Date:

王焕焕

王焕焕

A

徐 波

10.06.27

Microphone

王焕焕

B

11.09.06

11.09.17

11.09.17

C

王焕焕

王 平