BeStar BPU1040T_ROPBH07 - Manual (Page 5)

BESTAR ELECTRONICS INDUSTRY CO.,LTD
6
Rev.
A A
Date
5
Drawn Note
邹皓轩
倪雪晴
2010.12.15
www.be-star.com [email protected]
3 4
Date:
Checked by:
Approved by:
Drawn by:
李红元
E
6.Test circuit
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C Rc
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F.G.
Anechoic Room
30cm
BPU1640T/ROPBH12
R
T.G.
-20dB
Direcivity in Overall Sensitivity
F 0dB -10dB
60
90
G
H
6
30
5
-10dB -30dB -30dB -20dB 0dB
60
30
0
4 3
2010.12.15 倪雪晴
R: 3.9K Ω Rc=1k Ω
T.G. :Target
F.G. :Function Generator
O.S. :Oscilloscope
Ultrasonic Sensor
2
90
2
1
Page:5 of 9
A
E
B
C
D
F
G
1
H
BPU1040T/ROPBH07
BPU1040T/ROPBH07
DRG NO: BS/TEU01.331A
Acous tics & Sensor