BeStar BPU1548IFAH10.7 - Manual (Page 6)

2010.02.08
BPU1548IFAH10.7
Date
BESTAR ELECTRONICS INDUSTRY CO.,LTD
Rev.
6
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6
OSC. :Oscillator
F.C :Frequency Counter
U.S :Ultrasonic Sensor
S.C.M :Standard Cappacitor Microphone
Amp. :Ampifier
SP :Tweeter
RL
: 3.9KΩ
www.be-star.com [email protected]
Note Drawn
5
吴家金
4 3
Checked by:
Approved by:
Date:
Drawn by:
BPU1548IFAH10.7
DRG NO: BS/TEU01.325B
Ultrasonic Sensor
2
Page:6 of 10
1
B
A
Amp
OSC. :Oscillator
F.C :Frequency Counter
U.S :Ultrasonic Sensor
S.C.M :Standard Cappacitor Microphone
Amp. :Ampifier
sensitivity test circuit
30cm
Anechoic Room
F.C
～
OSC SP
U.S
S.C.M
RL
Anechoic Room
30cm
F.C
～
OSC
U.S S.C.M
Voltmeter
Amp
C
D
Voltmeter
E
G
F
S.P.L test circuit
5 4 3 2
H
1
Acous tics & Sensor
2010.12.15
李红元
邹皓轩
倪雪晴 B 2010.12.15 倪雪晴