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thanks for your reply.
pls give me some circuit ref for following parameters
f->v converter gives 2V to 3V at input of 50hz to 500hz. then using an opamp inverter i ve to make this 3V to 2V. my basic concern how to make a inversion.
whether it is possible in a f->v converter who gives descending voltage o/p with ascending frequency input or i ve to use another inversion ckt.
pls suggest some ckt.
thanks
Check this link for an op-amp inverter:-
https://www.electro-tech-online.com/threads/basic-opamp-circuits.35258/
One op-amp should be enough to do the scaling, level-shifting and inversion.
Oops. That will teach me not to copy links without checking the target!Thats an AC coupled OPA circuit.
Oops. That will teach me not to copy links without checking the target!
But I wasn't suggesting the F2V bit could be done with only one op-amp; just the processing of the V output.
many thanks ericgibbs. you ve given exactly what i want. I implemented the ckt and working well.