Test circuit, Ultrasonic sensor, R: 3.9k – BeStar BPU1640T_ROAH12 User Manual
Page 5: Rc=1k, Direcivity in overall sensitivity, R30cm anechoic room, Bestar electronics industry co.,ltd
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G
H
2
1
E
F
D
60
°
90
°
B
BPU1640T/ROAH12
A
Ultrasonic Sensor
2
1
Page:5 of 9
R: 3.9K
Ω
Rc=1k
Ω
T.G. :Target
F.G. :Function Generator
O.S. :Oscilloscope
C
倪雪晴
30
°
3
60
°
30
°
4
-30(dB)
-20(dB)
-10(dB)
0
°
BPU1640T/ROAH12
5
90
°
Direcivity in Overall Sensitivity
T.G.
R
30cm
Anechoic Room
BPU1640IOAH12
6.Test Circuit
O.S.
F.G.
倪雪晴
Date:
Drawn by:
3
李红元
邹皓轩
4
Note
Checked by:
Approved by:
Date
Drawn
BESTAR ELECTRONICS INDUSTRY CO.,LTD
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6
Rev.
A
A
C
DRG NO:BS/TEU01.330A
Acous tics & Sensor
2011.01.06
2011.01.06
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