Microphone, Drawing, Angular response – BeStar BCM6022OFCF-38 User Manual
Page 3: Measurement circuit
C
A
6
Rev.
Date
5
Drawn
B
Approved by:
4
Note
Date:
Checked by:
Drawn by:
3
2
D
E
G
F
H
6
5
4
3
2
C
A
1
B
D
E
F
G
H
1
BCM6022OFCF-38 LF
王焕焕
120
60
30
90
★Angular Response
BCM6022OFCF-38 LF
150
220
330
0
300
270
210
180
徐 波
DRG NO:
Page:3 of 6
王焕焕
A
王 平
Microphone
BS/TEM01.155A
3. Measurement Circuit:
2. Drawing
Shield Case
ECM unit
FET impedance
Converter
-
Earth
Terminal 2
Output
Power Supply 2.0V
RL=2.2K
Terminal 1
+
Acoustics & Sensor
Unit: mm
C1
10pF
C2
33pF
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ith
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w
ri
tt
en
c
on
tent
Terminal 1 "-"
3
±0.5
2.5
±0.5
max
Ø1.5
insulated layer
PVC JL Black
max 0.5mm tin
32
±3
2.2
±0.1
Ш6.0±0.1
Ш6.8±0.15
2.6
±0.15
C
o
v
e
r
m
ic
rophone
signal wire （UL 1571 28
＃）
Terminal 1 "+"
insulated layer
Black
insulated layer
metal net Red
2
.5
40
±3
12.02.01
12.02.01