Owner's manual

L=1 Cm
L=50 Cm
Relative Response (dB)
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
and shall not be used in whole or in part without its written content
DRG NO: BS/TEM01.074A
BESTAR ELECTRONICS INDUSTRY CO.,LTD
65
www.be-star.com [e-mail]
43
Page:1 of 5
21
Rev.
A
A 06/06/06
Date
王丽娟
Drawn
B
Drawn by:
Note
Checked by:
Approved by:
Date:
程久生
郭 敏
06/06/06
王丽娟
5020
-30
C
-20
-10
200100 2k1k500
Frequency(Hz)
Microphone
BCM9745NC-W82Plug
A
B
20k
5k
10k
C
No. Item Specifications
1 Sensitivity -42±2dB(0dB=1V/Pa,1kHz)
2 Impedance Less than 2.2K
Ω at1kHz
3 Directional Noise concelling
4 S/N Ratio more than40dB(0dB=1V/Pa,1kHz)
5 Max. Input Sound Level 100dB S.P.L
★ Frequency Resonse Curve
D
0
+10
+30
Frequency Response 20Hz-10kHz
Rate Voltage 2.5V
Operating Voltage 1.5-10V
Decreaing Voltage characteristic -3dB(V
s =1.5V)
7
E
9
8
F
6
D
E
F
Test Condition (Vs=2.5V RL=2.2Kohm Ta=20 C R.H.=65%)
G
BCM9745NC-W82Plug
H
1. Characteristics
6
54
3
G
H
2 1