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S.p.l test circuit sensitivity test circuit, Anechoic room, 6anechoic room – BeStar BPU1458IFAH09 User Manual

Page 6: U.s 30cm, Voltmeter, Bestar electronics industry co.,ltd, F.c osc sp, U.s s.c.m s.c.m

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Voltmeter

DRG NO: BS/TEU01.306A

BESTAR ELECTRONICS INDUSTRY CO.,LTD

A

2010.12.15

A

6

Rev.

Date

C

B

Anechoic Room

Drawn by:

Checked by:

Date:

OSC. :Oscillator
F.C :Frequency Counter
U.S :Ultrasonic Sensor
S.C.M :Standard Cappacitor Microphone

Amp. :Ampifier

SP :Tweeter
RL

: 3.9KΩ

Approved by:

倪雪晴

Drawn

5

4

Note

F.C

www.be-star.com [email protected]

3

RL

C

B

A

Ultrasonic Sensor

BPU1458IFAH09

2

1

Page:6 of 10

Amp

BPU1458IFAH09

E

F

D

H

G

6

Anechoic Room

OSC. :Oscillator
F.C :Frequency Counter
U.S :Ultrasonic Sensor
S.C.M :Standard Cappacitor Microphone

Amp. :Ampifier

S.P.L test circuit

sensitivity test circuit

F.C

OSC

SP

5

OSC

4

U.S

S.C.M

S.C.M

3

Amp

H

E

F

G

D

Voltmeter

2

1

Acous tics & Sensor

2010.12.15

倪雪晴

邹皓轩

李红元