All Questions
Tagged with differential-amplifier circuit-design
6 questions
0
votes
2
answers
70
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How can i obtain a positive Vref for this circuit?
I have to design a irrigation system that uses a resistive moisture sensor to maintain a certain level of relative soil humidity for a plant. In order to convert the resistance changes of the moisture ...
- 41
1
vote
2
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293
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I would like to know what type of op-amp this circuit is
This circuit is connected to 250V AC power and I would like to calculate the values of the resistor and capacitor, but I don't know which formula to use to calculate it.
I think this circuit is ...
- 53
1
vote
2
answers
298
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Would this be an acceptable implementation of an OTA-based voltage regulator?
I am building a discrete voltage regulator, centered on a differential pair with an active load.
I have seen the single stage differential pair being called an Operational Transconductance Amplifier. ...
- 491
1
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0
answers
105
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Using two mosfet in diode connected structure
I read that the structure in green are diode connected. I am only familiar with the single device version of diode connected MOSFET. Can you tell me what's the advantage doing it using two devices as ...
- 31
1
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1
answer
184
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Biasing of the opamp differential pair
Good day to all. I'm doing a self study about the circuit shown above. I kind of don't understand which structure biases the differential pair(red). The explanation I read from the book that it is the ...
- 31
0
votes
2
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130
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Instrumentation or Differential amplifiers for milliohm measurement circuit design
I have got a design for milliohm measurement circuit that I have found on YouTube.
Also avaliable in pdf format.
This design uses the INA106U diff amplifiers and I want to replace it with ...
- 537