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 · Extra Information: I want to use this 'comparator' in a circuit where I have a μ μ C being powered by a current limited ~2V regulator. Currently, if the voltage output of this regulator drops …
How to deal with strobe and balance pins of this comparator for single ...
I want to use this LM311 comparator with a single supply. But these are pins called balance and strobe which confuses me. What are these for? In a forum I read someone suggests pin 5 and pin 6 sho...
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? …
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. …
Is hysteresis needed for this non-inverting comparator?
Nov 22, 2022 · The comparator can now be inverting, instead of non-inverting and hysteresis can be added with the resistor RH. Here is my basic thoughts for now, without doing any hysteresis …
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 …
logic gates - How do I make a 4-bit comparator? - Electrical ...
Jul 17, 2015 · I asked for a comparator, not a complete ALU, thanks for the schematic, and the slice of history, though. (: @EnderScythe You said you were making an ALU, and since this schematic …
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 …
transistors - LM393 window comparator for driving an LED - Electrical ...
Nov 2, 2021 · I have a question about LM393 when using it as a window comparator. I know it's an open collector. The output is often paired with a pull-up resistor and an NPN. But there are circuits that use …