6027咪头 2.8mm针长 助听器咪头
| no. 序 号 |
parameter 参数 |
symbol 符号 |
condition 测试条件 |
limits范围 |
unit (单位) |
||
| min. Zui小值 |
center 中心值 |
max. Zui大值 |
|||||
| 1 |
sensitivity 灵敏度 |
s |
f=1khz,s.p.l=1pa,0db=1v/ubar |
-56 |
-58 |
-60 |
db |
| 2 |
output impedance 输出阻抗 |
zout |
f= 1khz |
|
|
2.2 |
kω
|
| 3 |
current consumption 消耗电流 |
idds |
vcc=4.5v , rl=2.2kω |
150 |
|
450 |
ua |
| 4 |
signal to noise ratio 信噪比 |
s/n |
f=1khz,s.p.l=1pa |
60 |
|
|
db |
| 5 |
decreasing voltage 减电压灵敏度 |
△s-vs |
vcc=4.5v to 1.5v |
|
|
-3 |
db |
| 6 |
operating voltage 工作电压 |
|
|
1 |
|
10 |
v |
| 7 |
maximum input s.p.l Zui大输入声压 |
|
|
|
|
110 |
db |
4.measurement circuit测试电路
| 5. typical frequency response curve (far field)频响曲线 far field measurement condition自由场测试条件 temperature温度：20±2℃ bias voltage基准电压： 4.5v (with 2.2kωseries resistor 2.2kω电阻) acoustic stimulus :1pa (94db spl at1khz) at 50cm from the loud-speaker. 声音条件：the loud-speaker must be calibrated to make a flat frequency response input signal 距离扬声器50cm出产生1pa声压。 扬声器必须先用标准输入信号事先校准。 position: the frequency response of microphone unit measured at 50cm from the loud-speaker 位置 ： 扬声器距离待测话筒50cm. 6.dimensional drawing外形图 |
本产品的加工定制是是，品牌是HS，型号是6027，种类是传声器(咪头)，类型是电容传声器，材质是铜，规格尺寸是6027（mm），声道数是多声道，灵敏度是-30--60db，频率响应是1khz，输出阻抗是2.2kΩ
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