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Bimpelrekkie
Bimpelrekkie
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i have to make a portable handly lie detector but i was not able to get a 2n3904.What substitute can i use?I have searched a lot and get to know that 2n2222,2n4401,2n2907,bc547 can be a replacement but i want to know a perfect substitute for 2n3904 transistor.

This is the circuit we're dealing with: enter image description here

i have to make a portable handly lie detector but i was not able to get a 2n3904.What substitute can i use?I have searched a lot and get to know that 2n2222,2n4401,2n2907,bc547 can be a replacement but i want to know a perfect substitute for 2n3904 transistor.

i have to make a portable handly lie detector but i was not able to get a 2n3904.What substitute can i use?I have searched a lot and get to know that 2n2222,2n4401,2n2907,bc547 can be a replacement but i want to know a perfect substitute for 2n3904 transistor.

This is the circuit we're dealing with: enter image description here

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vaidehi
vaidehi
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finding suitable substitute for 2n3904 transistor

i have to make a portable handly lie detector but i was not able to get a 2n3904.What substitute can i use?I have searched a lot and get to know that 2n2222,2n4401,2n2907,bc547 can be a replacement but i want to know a perfect substitute for 2n3904 transistor.