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phototransistors

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unlv007

New Member
Hello
I am using phototransistors from radioshack.
My application needs them to operate at high frequencies, say a few KHz.
They seem to be slow,

any suggestions where i could find high frequency photo interruptors/ transistors a?
thank you
Regards
 
Last edited:
Hello
I am using phototransistors from radioshack.
My application needs them to operate at high frequencies, say a few KHz.
They seem to be slow,

any suggestions where i could find high frequency photo interruptors/ transistors a?
thank you
Regards

hi,
Which type are you asking about.?
You say, photo-transistors, interrupters, transistors.?

The attachment shows an opto coupler.
 

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