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  • HammadF commented on Giveitago's instructable Simple Sonic Cat Repeller11 months ago
    Simple Sonic Cat Repeller

    I want to produce 23000 Hz frequency and i have calculated my resisters and capacitor as R1(2000) R2(2130) and C(0.01 micro Farad) . how can i measure my out put voltage and current to give nominal power to the speaker.. and what power of speaker should i use for producing such frequency ?

    I want to produce 23000 Hz frequency and i have calculated my resisters and capacitor as R1(2000) R2(2130) and C(0.01 micro Farad) . how can i measure my out put voltage and current to give nominal power to the speaker.. and what power of speaker should i use for producing such frequency ?

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