Good day..
i want just to ask your help if there is somebody or has a knowledge regarding our project proposal "Acoustic noise generator" where po kaya tayo makakakita ng circuit nyan????//God bless po

 

A MM5837 IC [RS 276-1768, old #] is a white noise generator, follow with LM386 & speaker. Check also LM3909, Nationll Semi. AN154-5 Buzz Box.

 

LM3909? How is it related to audio duties?

 

Figure 10 " Buzz Box " Maybe not a verry good noise gen. Thanks.