BeStar BPU1640IOAH12 - Manual (Page 5)

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DRG NO：BS/TEU01.302C
5
BESTAR ELECTRONICS INDUSTRY CO.,LTD
Drawn
姜文金
耿 亚
06.09.07
Date
09.03.11
Approved by:
Checked by:
Note
4
邹皓轩
李红元
3
www.be-star.com [email protected]
Drawn by:
Date:
倪雪晴
Page:5 of 9
1 2
Ultrasonic Sensor A
BPU1640IOAH12
B
6.Test Circuit
Directivity in Overall Sensitivity
90 °
90 °
5
BPU1640IOAH12
0 °
-10(dB)
-20(dB)
-30(dB)
4
30 °
60 °
3
30 °
60 °
D
F
E
1 2
H
G
C
倪雪晴
Amp
OSC. :Oscillator
F.C :Frequency Counter
U.S :Ultrasonic Sensor
S.C.M:Standard Cappacitor Microphone
Amp. :Ampifier
Anechoic Room
30cm
F.C
～
OSC
U.S S.C.M
Voltmeter
10.11.19 10.11.19
Acous tics & Sensor