Drawing, Microphone, Filter – BeStar BCM4015OPBC-42 User Manual
Page 3: Measurement circuit, Angular response

C
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6
Rev.
Date
5
Drawn
A
B
Approved by:
4
Note
Date:
Checked by:
Drawn by:
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08.06.17
∅
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15
Shield Case
ECM unit
C2
33pF
C1
10pF
FET impedance
Converter
3. Measurement Circuit:
2. Drawing
-
Earth
Terminal 2
Output
Power Supply 2.0V
RL=2.2K
Terminal 1
F
+
Terminal2
∅0.5
1.5±0.2
1
.3
0
30
330
terminal 1
BCM4015OPBC-42
120
60
90
★
Angular Response
220
300
270
180
150
210
BCM4015OPBC-42
Microphone
徐金国
05.06.14
王丽娟
08.06.17
B
徐金国
Page:2 of 5
DRG NO:
李毕佳
张秀琴
BS/TEM01.093B
filter