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Results tagged with operational-amplifier
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user 104749
Questions relating to the construction and applications of operational amplifiers, which are DC-coupled, high-gain electronic voltage amplifiers with a differential input and, usually, a single-ended output.
1
vote
1
answer
11k
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Opamp power consumption
Attached simulation of op-amp .
Q1) In Op-amp ckt 1 has power supply of 20V and In Op-amp ckt 2 has power supply of 15V (rest everything is same). How current consumption is more in 20V rather than …
- 792
3
votes
2
answers
9k
views
AC current measurement using shunt resistor
I need to measure AC RMS current using shunt resistor. AC current range is 0-8A RMS. Shunt resistor chosen is 100 mohm. which gives me max 8*1.414*10=1.13 Volt that i will use to feed an opamp to furt …
- 792