Current location - Plastic Surgery and Aesthetics Network - Plastic surgery and medical aesthetics - Optical coupler KPC357NT, the input and output square waves are good at low frequency, but the input square waves and output waveforms are not good at high frequency.
Optical coupler KPC357NT, the input and output square waves are good at low frequency, but the input square waves and output waveforms are not good at high frequency.
Optocoupler KPC357NT, on response time 20us, off response time 20us.

That is, the highest response frequency is 25KHZ.

Generally not higher than 10KHZ in use.

The higher the frequency, the smaller the choice of c and the larger the r.

When that drive capability of the input terminal is large enough

When the frequency is 5K, generally c chooses 103P, and r chooses 5K.

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