Gate chip 7408


This chip you really need to understand with this you input 2 frequencys

one pin will be say 10khz,This will be your main frequency

one pin will be say 100hz,This will be your ghate for the main frequency

turn off the gate, then you just have the main frequency, turn on the gate,


Then you have a gated frequency.


the 7408 i use is marked as 

7408 IC Quad 2 Input Positive AND Gate


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