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  1. Can someone explain how this transistor comparator works?

    Apr 10, 2015 · I am looking to make a comparator using transistors and I stumble across this circuit claiming to be one: Unfortunately, the description that came along with it leaves a lot to …

  2. voltage - How exactly does a comparator work? - Electrical …

    Apr 12, 2015 · How exactly does a comparator work? Comparators have many uses and its concept is not too hard to grasp. What I don't understand however is how exactly it compares …

  3. How can I make an ideal comparator in LTspice?

    Oct 1, 2017 · For fast simulations I sometimes need an ideal comparator. I guess it is not a built-in component. How can it be implemented by ideal sources or VCVS ect.?

  4. Understanding this comparator circuit for AC voltage protection

    Jul 15, 2019 · The circuit shown below is taken from this whole design. I understand the main idea. They want to measure some voltage condition and trigger something else with the …

  5. operational amplifier - LM358 comparator circuit - Electrical ...

    Jan 21, 2025 · I drew the following circuit using LM358 opamp in order to understand the comparator behavior. I have few questions regarding the circuit below: How should I wire the …

  6. comparator - Unused pins on a LM339 quad op amp - Electrical ...

    May 6, 2025 · I have worked for several companies and several versions of what to do with unused comparators(Lm339) ranges from all pins left open or all pins tied to gnd the PCBs …

  7. operational amplifier - Common Mode Range in comparators

    Dec 5, 2024 · What do we mean by Common Mode Voltage Range in comparators, and how does it help in selection of a comparator for any application?

  8. Difference between differential op amp and comparator

    A comparator returns a boolean/digital value: 0 if input A is higher than input B, 1 otherwise. A differential op-amp outputs an analogue value: the difference between the inputs, multiplied by …

  9. Comparator circuit - Electrical Engineering Stack Exchange

    Jun 15, 2021 · I found this comparator circuit, the caption says "Self-Biased, 50% Slicer". Does this circuit output a logic high, when the input voltage is bigger than 2.5V …

  10. DC Voltage Comparator - Electrical Engineering Stack Exchange

    A comparator will do what you expect, because it's made to be exactly that. Note that, as drawn, you want a comparator with a push-pull output -- they also come with open-collector (or open …