KECG2742PBL-A

KECG2742PBL-A概述

KINGSTATE  KECG2742PBL-A  电容式麦克风

The from Kingstate is an electret condenser microphone. An electret microphone is a type of electrostatic capacitor based microphone, which eliminates the need for a polarizing power supply by using a permanently charged material.

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Sensitivity is -42dB
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Operating voltage is 2VDC
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Impedance is 2.2Kohm
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Rated voltage is 10VDC
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Sensitivity reduction is -3dB at f=1KHz, 1Pa, Vs=2.0VDC. to 1.5VDC
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Frequency range from 20Hz to 20KHz
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Maximum current consumption is 0.5mA at Vs=2.0VDC, RL=2.2Kohm
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Signal to noise ratio is 58dBA
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Omni directional directivity
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6mm x 2.7mm dimension
KECG2742PBL-A数据文档
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