Subtract of two electrical signals

Pavlanto · Sep 15, 2016

Hi,
I am using Cadence virtuoso and i have used a track and hold circuit where i take the output differential. In the next stage i need this output to have it in a single mode,which means i want to have Voutall=Voutp-Voutn. What is the way to do it so?
Thanks

crutschow · Sep 15, 2016

You use a differential input amplifier with a single-ended output.

Ata_sa16 · Sep 17, 2016

Pavlanto said:
Hi,
I am using Cadence virtuoso and i have used a track and hold circuit where i take the output differential. In the next stage i need this output to have it in a single mode,which means i want to have Voutall=Voutp-Voutn. What is the way to do it so?
Thanks

you can also use Balun circuit block.

expertengr · Sep 17, 2016

Try this circuit to subtract two voltages

https://www.electronics-tutorials.ws/opamp/opamp_5.html

max.wangxin.sh · Sep 17, 2016

the key point is the common mode voltage of these two input. Anyway you can get enough reference circuit from LT6375 data sheet. It would support +-270V common mode voltage.
http://cds.linear.com/docs/en/datasheet/6375fa.pdf
Good luck.

Subtract of two electrical signals

Pavlanto

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Subtract of two electrical signals

Pavlanto

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