??? 04/17/11 15:23 Read: times |
#181925 - Don't forget the subtracting scheme! Responding to: ???'s previous message |
Mehdi said:
Why the factor must be 4,you use 5 volt supply,so the factor can be 3 or even 2!am i right? Don't forget the subtracting scheme! Also, decreasing this factor means increasing the ratio R4/R5, which isn't wise, because U1 drives into the output of U3. Kai Klaas |