
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 …
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. …
Comparator control circuit - Electrical Engineering Stack Exchange
Nov 18, 2025 · The value 2.7kΩ should produce about 6mA, which the comparator is able to sink, according to the LM393 datasheet. It will be difficult to interface an indicator LED to this open …
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 …
Window comparator to drive LED - Electrical Engineering Stack Exchange
Sep 26, 2023 · I’m struggling to build a window comparator circuit where the output is high when the voltage is in range. I do not have access to any kind of inverter. I have tried using an inverting op …
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 …
How to use TL431 as a comparator to switch NPN transistor?
Oct 14, 2024 · It is a bad idea to use a TL431 as a comparator. The part is prone to oscillations and behaviors in this mode depend on the brand. I have seen many failures in production. If you still want …