C
A
6
Rev.
Date
5
Drawn
B
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Approved by:
4
Note
3 2
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
and shall not be used in whole or in part without its written content
D
E
G
F
H
6 5 4 3 2
C
A
1
B
D
E
F
G
H
1
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
