BkraM
Member
Hi All,
I'm wondering about the use of the 100 k resistor in the attached sketch.
Folowing the general op-amp rules; "no current flowing into the input terminals" i would think it's a useless addition to an inverting amp.
Both terminals should be virtual ground, am I mistaken here?
Kind regards,
I'm wondering about the use of the 100 k resistor in the attached sketch.
Folowing the general op-amp rules; "no current flowing into the input terminals" i would think it's a useless addition to an inverting amp.
Both terminals should be virtual ground, am I mistaken here?
Kind regards,