I am attempting to build a UV sensor for my weather station.
See thread: http://forum.allaboutcircuits.com/threads/op-amp-zero-off-set.108284/
Because the amp and sensor I was using was pre-made (Chinese) I have no schematic or specs on the circuit.
I decided to back to square one.
I was going to use a 741 op amp, and the sensor portion from the sensor/amp I already have.
Could some one please have a look at my schematic and let me know if I am on the right track.
Supply voltage =3 VDC
Output from UV sensor = 0-1 VDC
Output from Op Amp= 0 to 2.5VDC; 150 mV per UV Index.
Here is my rudimentary schematic:
Thanks
Bob
See thread: http://forum.allaboutcircuits.com/threads/op-amp-zero-off-set.108284/
Because the amp and sensor I was using was pre-made (Chinese) I have no schematic or specs on the circuit.
I decided to back to square one.
I was going to use a 741 op amp, and the sensor portion from the sensor/amp I already have.
Could some one please have a look at my schematic and let me know if I am on the right track.
Supply voltage =3 VDC
Output from UV sensor = 0-1 VDC
Output from Op Amp= 0 to 2.5VDC; 150 mV per UV Index.
Here is my rudimentary schematic:
Thanks
Bob
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