C
A
6
Rev.
Date
5
Drawn
B
www.be-star.com wu@be-star.com
Approved by:
4
Note
Date:
Checked by:
Drawn by:
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
10.08.02
2. Drawing
0
30
330
BCM4527OLBC-38-01
120
60
90
★Angular Response
220
300
270
180
150 210
BCM4527OLBC-38-01
Microphone
王焕焕
filter
Shield Case
ECM unit
C2
33pF
C1
10pF
FET impedance
Converter
3. Measurement Circuit:
GND
Terminal 2
Output
Power Supply 2.0V
RL=2.2K
Terminal 1
C:1μF
Page:3 of 6
DRG NO:
B/TEM01.135A
王焕焕
A
10.08.02
徐 波
王 平
+
Terminal 1
Terminal 2
+
-
2.7±0.15
Ø4.5±0.1
