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 …
voltage - How exactly does a comparator work? - Electrical …
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 …
Can someone explain how this transistor comparator works?
Apr 10, 2015 · I am looking to make a comparator using transistors and I stumble across this circuit claiming to be one: Unfortunately, the description that came along with it leaves a lot to …
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 …
comparator - Interfacing an LM2903B output to a microcontroller ...
Mar 5, 2024 · I would like to connect the output of a LM2903B comparator to my controller to read the output signal. Both the comparator supply voltage +13V and the controller supply 3.3V are …
mosfet - Comparator simple build - Electrical Engineering Stack …
Jul 23, 2020 · Here is my idea: The comparator is just a simple MOSFET where the output is connected to VCC and drain and the V+ pin is connected to the gate of the MOSFET and the …
comparator - Comparing two variable voltages with hysteresis ...
May 21, 2018 · In other words, when the difference between the two inputs is within some threshold of 0, the comparator does not switch its output, but if the voltage difference exceed …
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 - Very high precision zero crossing detection
Nov 7, 2019 · Is there a good resource on high precision zero crossing? The output voltage from the coil is low (~3mV pp), so should I choose a comparator with lower input voltage offset? Or …