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. …
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 …
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 …
Hysteresis on inverting terminal for comparator circuits?
Jan 9, 2024 · If you examine 98% of circuits online that include hysteresis for a comparator, they always implement the hysteresis on the non-inverting input, like so: This is easy enough to calculate. …
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 …
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? …
Difference between differential op amp and comparator
What is the difference between a differential op amp and a comparator? I know a comparator can only give me two values (the supply values). The differential op amp amplifies the difference between...
operational amplifier - LM393 comparator not pulling down - Electrical ...
Aug 13, 2025 · A voltage divider is fixing the non-inverting input at 1.65V. Even at 2.5V at the inverting input of the open-collector LM393 comparator, it's not pulling down to 0V (actually pulling the voltage to
Sizing an CMOS StrongArm Latch comparator on Virtuoso from scratch
Dec 1, 2023 · I'm currently designing an CMOS comparator and I'm a little bit lost regarding sizing the transistors. I was taught to use the Id formula, but for that to work I need to have muCox, and I do …
I need help to identify the negative feedback loop in a hysteresis ...
Jul 10, 2024 · Can anyone help me identify where the negative feedback path is? It's not really feedback in the conventional sense of amplifiers, as a comparator is an amplifier on steroids with a very high …