BeStar BCM9767OFCF-38 LF - Manual (Page 3)

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10.04.28
王焕焕
120
60
30
90
★Angular Response
BCM9767OFCF-38 LF
150
3.Measurement Circuit:
220
330
2.Drawing
0
300
270
210
180
DRG NO: Page:3 of 6
Microphone
BS/TEM01.154A
徐 波
张秀琴
6.7 0.2
Ø
9
.7
±
0
.2
Terminal 2 Ground
Terminal 1 Output
10.04.28 王焕焕 A
BCM9767OFCF-38 LF
Shield Case
ECM unit
FET impedance
Converter
Acoustics & Sensor
filter
0.2 ±0.1
+
Terminal 1
RL=2.2K
Power Supply 4.5V
Output
Terminal 2
Earth -
C1
10pF C2
33pF
Unit: mm