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what 's the meaning of small signal?

Jimmy3284
Prodigy 60 points
Other Parts Discussed in Thread: INA163

Dear engineers,

When I read the INA163 datasheet,  I can't understand the Small Signal,  do you have any detailed explaination about it? Thanks!

DYNAMIC RESPONSE 
Bandwidth, Small Signal, –3dB, G = 1 3.4
                                                            G = 100 800      kHz

  • 0
    Genius 4530 points

    Hi Jimmy,

    The small-signal bandwidth here is the range of frequencies that is passed by INA163 with attenuation less than 3 dB. This means that the input signal undergoes very small percentage of variations of the full-scale bandwidth. Such signals have very low slew-rate distortion.

    SO, small-signal bandwidth is generally the capability of INA163 to pass the signals, with very low slew rate distortion, without significant attenuation.

    Regards,

    Sid