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市青兴电子
ECM APPROVAL SHEET
客户
CUSTOMER
国基科技
产品型号
SPECIFICATIONS
DT-A6050
外型尺寸
DIMENSIONAL
Ø×
灵敏度
SENSITIVITY
-33±3dB (0dB=1V/Pa,at 1KHz)
Ω
VENDOR
CUSTOMER
CHECKED BY
ISSUED BY
APPROVED BY
正
朱玲
公司地址：
宝安西乡九围路209号
：08
：08
.sz-qxdz.
编号:1408026
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TYPE: DT-A6050
ELECTRICAL CHARACTERISTICS
TEMP=20±2℃ Room Humidity=65±5%
PARAMETER
SYMBOL
CONDITION
LIMITS
UNIT
Min
Center
Max
Sensitivity
S
f=1KHZ,=1Pa
0dB=1V/Pa
-36
-33
-30
dB
Output impedance
Zout
f=1KHZ
KΩ
Current Consumption
IDss
VS=3Ω
500
μA
Directivity
Omnidirectional
Signal to Noise Ratio
S/N
S:(f=1KHz,=1Pa)
N:(A-Weighted curve)
42
dB
Decreasing Voltage
ΔS-VS
Vs=
-3
dB
Operating voltage
10
V
110
dB
TYPICAL FREQUENCY RESPONSE CURVE
2. MEASUREMENT CIRCUIT
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OF MICROPHONE
ITEM
PART NAME
MATERIAL
QTY
SUPPLIER
1
BAKELITE EPOXY
1
LOCAL
2
CHAMBER
POM
1
LOCAL
3
SPACER
POLYESTER
1
LOCAL
4
SCREEN
NON-FIBRECORD
1
LOCAL
5
DIAPHRAGM
FEP AND BRASS
1
6
PLATE
BRASS
1
LOCAL
7
CASE
ALUMINUM
1
LOCAL
8
FET
2SK596
1
LOCAL
REMARK：
In order to keep forerunner of the product, our pany carry out the layout upgrade and the