• RE: 求教前置放大器选型问题???

    你好,根据你的要求,输入噪声1uv,带宽40kHz,则输入白噪声噪声密度是1uv/4000=5nv/hz,可选用SSM2019,它的输入等效噪声在增益为20db30db间为2nv/hz7nv/hz,基本可以满足要求。最大增益可达70dB,差分输入,单端输出。

  • RE: Connect microphones to ADAU1979

    what do you mean by 'standard' microphone ?

    if it means dynamic mic, you don't need power to mic

    if anything else, power supply circuit should be designed outside ADC

    with anything, the preamp is needed that amplify audio signal from mic…

  • RE: Designing high gain, low noise, low input amplifier?

    I would suggest an input-amplifier like SSM2019. It can provide the desired gain and includes a differential input. For such a wide range of input signals you may need a option to switch input-gain.

    Although the DSP can provide "digital" gain it may…

  • Microphone and PreAmp Design Help

    Hi there,

     

     

    This is my first question on EngineerZone. I am an electronics engineering student.

     

     

    I'm starting to work on audio preamp for a microphone.

     

     

    This device will be placed in an open-field such as farms or jungles, to record an…

  • RE: Audio Codec (ADAU1961) Specification detail

    Hello Boosun,

    It is unusual to find an actual dynamic microphone on a headset. They are usually electret condensers that require power and have a built in amplifier. So the PGA gain in the 1961 is plenty for those microphones. For a dynamic mic with…

  • TAGS LIST: Audio

    AD8024
    AD8509
    AD8511
    AD8531
    AD8532
    AD8534
    AD8565
    AD8566
    AD8567
    AD8614
    AD8644
    ADD8504
    ADD8710
    AD8519
    ADSY8401
    AD8529
    AD1870
    AD1871
    AD1877
    AD1974
    ADAU1977
    ADAU1978
    ADAU1979
    ADAU7002
    SSM2602
    SSM26…
  • 转发ADI模拟技术训练营——放大器初步

    转发ADI模拟技术训练营——放大器初步

    目录
    第一部分:放大器的分类简介
    第二部分:使用放大器的一般性规则
    第三部分:选择放大器入门
    第四部分:使用网络资源
    第五部分:数据记录和报告撰写
    第六部分:实验和注意事项

  • ADI芯片辨识、型号查找

    看看截图:

  • 资源转发---仪表放大器设计指南

    仪表放大器设计指南