P_1
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Hi, I just built 5 cmoy amps over the weekend and I just noticed that the chip said OPA227P instead of PA is that normal? I ordered these chips from digikey.
Originally Posted by P_1 Hi, I just built 5 cmoy amps over the weekend and I just noticed that the chip said OPA227P instead of PA is that normal? I ordered these chips from digikey. |
Originally Posted by P_1 wow, thanks guys. Is it normal to have sort of a hiss when nothing is playing? |
Originally Posted by P_1 wow, thanks guys. Is it normal to have sort of a hiss when nothing is playing? |
Originally Posted by Pars You can try inserting R5 resistors (see Tangent's guide). Also, if you have these configured at the stock gain of 11, that is normally too much for many applications. See if you can cut it down to 5 or less and this should take care of the hiss. |