How exactly does a comparator work? - Electrical Engineering Stack …
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 two voltages. …
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 unused opamp? …
schmitt trigger - How to calculate hysteresis of a comparator ...
Oct 16, 2024 · How to explore it The best way to understand this idea is to try implementing hysteresis step by step in your op-amp inverting comparator circuit. Let's simulate each step with a separate …
Can someone explain how this transistor comparator works?
Apr 10, 2015 · The circuit is a comparator and can be remarkably useful more or less as shown. I have used a circuit essentially the same as that in production equipment to meet a requirement which was …
What is the purpose of pulling up the output of a comparator to VCC ...
Aug 23, 2025 · The LM311 device is a comparator with an uncommited transistor output. This means that the output pin needs a pull-up resistor so that it can create a voltage signal and also pin 1 (the …
What is the difference between a general comparator and a differential ...
6 I notice that the LM339 quad comparator comes in 2 different varietys: general-purpose and differential. Besides a big difference in price, what is the difference between the two? Specifically, I …
simulation - Simulating cmos comparator on cadence virtuoso ...
Nov 1, 2023 · I am trying to simulate the following cmos comparator circuit using cadence virtuoso spectre. Here's my schematic on cadence: I am using the following test bench to simulate the circuit …
Comparator with hysteresis; what resistors go where?
Apr 11, 2023 · The comparator does it during the transition with the help of the positive feedback. What positive feedback is This is positive feedback "out of control" or as they call it, "self-reinforcing …
Comparator latch circuit - Electrical Engineering Stack Exchange
Dec 2, 2015 · I need a VERY simple latching circuit using a comparator that will simply be off until a signal hits it (can be either + or -, I have no preference). The circuit should remain on until I reset it.
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.?