beautypg.com

Sensitivity test circuit s.p.l test circuit, Anechoic room, Bestar electronics industry co.,ltd – BeStar BPU1840IFAH12 User Manual

Page 6: Voltmeter amp s.c.m s.c.m u.s osc sp osc f.c, 30cm, Voltmeter, 30cm u.s

background image

www.be-star.com [email protected]

07.09.25

05.08.20

BESTAR ELECTRONICS INDUSTRY CO.,LTD

6

Rev.

A

B

Date

A

B

Note

5

Drawn

邵 凯

耿 亚

4

Checked by:

Drawn by:

Approved by:

Date:

Page:06 of 10

DRG NO: BS/TEU01. 334C

BPU1840IFAH12

3

2

1

Ultrasonic Sensor

A

B

T

h

is

p

ri

n

t

a

n

d

i

n

fo

rm

a

tio

n

t

he

re

i

n

a

re

p

ro

p

ri

e

ta

ry

t

o

B

e

s

ta

r

E

le

c

tr

o

n

ics

I

ndu

s

tr

y

C

o

.,

L

td.

a

nd

s

h

a

ll

no

t

b

e

u

s

ed

i

n

w

h

o

le

o

r

in

pa

rt

w

ith

ou

t

it

s

w

ri

tt

en

c

on

tent

C

D

E

BPU1840IFAH12

G

F

H

C

D

E

G

F

H

6

5

4

3

2

1

Acous tics & Sensor

倪雪晴

2011.07.12

李红元

邹皓轩

2011.07.12

C

倪雪晴

Voltmeter

Amp

S.C.M

S.C.M

U.S

OSC

SP

OSC

F.C

sensitivity test circuit

S.P.L test circuit

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

Amp. :Ampifier

Anechoic Room

30cm

Amp

RL

F.C

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

Amp. :Ampifier

SP :Tweeter
RL

: 3.9KΩ

Anechoic Room

Voltmeter

30cm

U.S