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  • LM1894: How to Improve the High Frequency Gain of LM1894

    TI Thinks Resolved
    Part Number: LM1894 按照参考设计电路： 1.将R1：R2设置成800:200 的时候，C10默认电压为1.4V 动态范围较大，最高可以到3.3V（1.4V-3.3V）低频增益特性很好。但是高频增益不足。 2.为了提高高频的增益，降低R1：R2的比值为500:500。 这时高频的增益会变好。但是C10的默认的电压会变高。为2.2V。动态范围为 2.2V-3.3V,导致动态范围比较小。 这样提高了高频响应，低频特性变差。 我的需求： 1.在我降低R1：R2比值的时候，不要提高C10的默认电平…
    • Answered

  • LM1894 - alternate product TLV320AIC3256

    Resolved
    Other Parts Discussed in Thread: TLV320AIC3256 , LM1894 Hi all, Would you mind if we ask TLV320AIC3256? Does it have DNR(Dynamic Noise Reduction) function? Our customer is looking for the alternate product from LM1894. (Because, LM1894 is EOL product.) Kind regards…
    • Resolved
    • Answered

  • TLV320AIC3256 - single-mic noise reduction algorithm

    Resolved
    Other Parts Discussed in Thread: TLV320AIC3256 , LM1894 Hi all Would you mind if we ask TLV320AIC3256? TLV320AIC3256 has single-mic noise reduction algorithm and also miniDSP. Our customer would like to use it instead of LM1894 noise reduction -10dB. So, u…
    • Resolved

  • Bringing vintage dynamics processor to life.

    Other Parts Discussed in Thread: LM1894 Hey, I'm looking at a vintage suppressor / expander someone yanked the original chips out of it, however the original if sockets are Texas Instruments. I believe there is some kind of 16 pin compandor that belongs…

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