User guide

C
A
6
Rev.
Date
5
Drawn
B
www.be-star.com [e-mail]
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
08.05.23
2. Drawing
0
30
330
BCM4527OLBC-44
120
60
90
★Angular Response
220
300
270
180
150 210
BCM4527OLBC-44
Microphone
徐金国
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:2 of 5
DRG NO:
B/TEM01.095B
王丽娟
徐金国
05.06.14
A
B
08.05.23
李毕佳
张秀琴
+
Terminal 1
Terminal 2
2.7±0.15
4.5±0.1
+
-