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 …
How exactly does a comparator work? - Electrical Engineering …
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 …
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 …
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.?
Understanding this comparator circuit for AC voltage protection
Jul 15, 2019 · The circuit shown below is taken from this whole design. I understand the main idea. They want to measure some voltage condition and trigger something else with the …
What is the difference between a general comparator and a …
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? …
operational amplifier - Common Mode Range in comparators
Dec 5, 2024 · What do we mean by Common Mode Voltage Range in comparators, and how does it help in selection of a comparator for any application?
comparator - Unused pins on a LM339 quad op amp - Electrical ...
May 6, 2025 · I have worked for several companies and several versions of what to do with unused comparators(Lm339) ranges from all pins left open or all pins tied to gnd the PCBs …
Difference between differential op amp and comparator
A comparator returns a boolean/digital value: 0 if input A is higher than input B, 1 otherwise. A differential op-amp outputs an analogue value: the difference between the inputs, multiplied by …
comparator - How to design an offset cancellation circuit for …
Jul 1, 2021 · I have been working on a strongARM latch and I wanted to add a subsystem for elimination of the offset. Circuit diagram is attached with this question. For simulation purpose …