Microphone, Measurement circuit, Filter – BeStar BCM4520OLF-42 User Manual
Page 4
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6
Rev.
Date
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Drawn
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Approved by:
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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
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