BeStar BCM9750-40 - Manual (Page 2)

1. Characteristics
Test Condition (Vs=1.5V RL=2.0Kohm Ta=20 C R.H.=65%)
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6
CHEC.
APPR.
A
DIS.
B
C
D
E
5 4 3
Bestar Electronics
BS/TEM01.048A
2
DRG NO
1
Page:1 of 3
3rd angle
projection
DATE
DATE
DATE
Microphone
A
BCM9750-40
B
C
D
E
F
G
H
BeStar
6
F
G
H
5 4 3 2 1
Frequency(Hz)
S
ound
Pre
s
sur
e
Leve
l (d
B)
+20
+10
0
-10
-20
-30
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency Resonse Curve
No. Item Specifications
1 Sensitivity -40 3dB(0dB=1V/Pa,1kHz)
2 Impedance 2.0kohm at 1KHz
3 Current Consumption 0.3mA Max.
4 Standard operation voltage 1V-10V
5 Directional Omnidirectional
6 S/N Ratio more than 60dB(0dB=1V/Pa,1kHz)
7 Max. Input Sound Level 120dB S.P.L
8 Frequency Response 20Hz~16kHz
9 Decreasing Voltage Characteristic -2dB(Vs=1.5V-1V)
BESTAR ELECTRONICS INDUSTRY CO.,LTD
TianAn Industry Park 4/F,Site B ChangZhou New District
E-Mail:bestarco@ pub.cz.jsinfo.net Http:www.be-star.com
BCM9750-40