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 …
Simple comparator circuit w/ LM311 doesn't work - Electrical ...
Feb 12, 2024 · I'm implementing the comparator circuit below, with the LM311P IC. I changed V_in's voltage from 0 to 9, making it above and below the 10/2 = 5V threshold at the V+ input. I was …
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.?
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.
Can you make a voltage comparator with only passive components?
May 5, 2025 · I would like to build a comparator circuit for two voltage sources each supplying around 0.5 volts. I would like to make the circuit with completely passive components that don't consume or …