C-1 активный звуковой модуль Black Board KY-012
US $0.20-$0.36
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Serial number | parameter | symbol | Test Conditions | Range | unit | ||||
Min | central value | Max | |||||||
1 | symbol | S | f=1KHZ,S,P,L=1Pa,0dB=1V/Pa | -45 | -43 | -41 | dB | ||
2 | output impedance | Zo | f=1KHZ | 680 | Ω | ||||
3 | current consumption | Ids | Vcc=1.5V,RL=680Ω | 150 | 500 | uA | |||
4 | Signal to Noise Ratio | S/N | f=1KHZ,S,P,L=1Pa | 66 | |||||
5 | Voltage reduction sensitivity | △S/VS | Vcc=1.5V to 1.0 | -3 | dB | ||||
6 | working voltage | Vcc | 1.5 | 10 | V | ||||
7 | frequency response | Gv | 50 | 13K | HZ | ||||
8 | Maximum input sound pressure level | SPL | 110 | dB |