Hai,
I have a OP07 non -inverting amp circuit working from dual supply +12V -12V. The gain is around 12.
The signal to be amplified is DC in the range of 0 -250mV. (input) amplified to somewhere around 0 to 2.5Volts.
I have a variable preset resistor in the feed back loop of OP07 to Adjust the gain. But I cannot get a lenier gain in this case. Suppose I adjust gain to 12 by providing 50mv and measuring the output and then apply 200mv and check the output, the gain is not 12.
Why this is happening and how I can overcome the issue?
Thanks
I have a OP07 non -inverting amp circuit working from dual supply +12V -12V. The gain is around 12.
The signal to be amplified is DC in the range of 0 -250mV. (input) amplified to somewhere around 0 to 2.5Volts.
I have a variable preset resistor in the feed back loop of OP07 to Adjust the gain. But I cannot get a lenier gain in this case. Suppose I adjust gain to 12 by providing 50mv and measuring the output and then apply 200mv and check the output, the gain is not 12.
Why this is happening and how I can overcome the issue?
Thanks