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Electrical Engineering

Questions tagged [accuracy]

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148 questions
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6 answers
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My application requires a high accuracy reading for DC voltage and current. DC voltage max is about 60 V and DC current max is about 140 A. Currently I am using a 1 mΩ shunt(CSS2H-3920R-1L00F), for ...
Gokul Karthik's user avatar
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1 answer
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I ask this question because my background domestic electricity usage is shown as 200Wh on the display but my measurements show a lower power usage with a power factor of 0.6, so I put a scope on it, ...
Rod Green's user avatar
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1 vote
2 answers
96 views

I'm looking at this ST1L05 voltage regulator for the purpose of an uncertainty/error analysis of a downstream ADC. I'm struck by how loose the output voltage tolerance range is, at least for the 3V3 ...
Milind R's user avatar
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I am trying to understand the properties/limitations of a capacitive encoder (more specifically an AMT10E). It has a dip switch, by which the ppr can be set between 120 and 5120, which corresponds to ...
JRTG's user avatar
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3 votes
4 answers
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I'd like to measure the voltage range 3V .. 30V via a voltage divider. When I use a ratio of 100k to 10k for example and use 1% resistors (taking into account drift due to aging -> 2% or even more) ...
stowoda's user avatar
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1 answer
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I am working with an MLX90395 for a magnetic control project. I started by hooking it up to an Arduino and using the Adafruit MLX90395 library: https://github.com/adafruit/Adafruit_MLX90395 But there ...
user1402154's user avatar
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4 votes
7 answers
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I've been looking into various electronic components and noticed rampant 5%, 10%, and even 20% tolerances and accuracies not only in basic components such as capacitors, inductors, and resistors, but ...
beardeadclown's user avatar
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1 vote
0 answers
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In the accuracy specifications for an AC voltage measurement with a Keysight 3458A, there is a distinction between source impedance of "50 Ohm" and "50 Ohm terminated" for the &...
Gilbert's user avatar
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1 answer
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I need several reference DC voltages to use them to calibrate hundreds of circuit boards manufactured in our facility. The voltages to be calibrated are 5V 10V 100V 200V 500V The accuracy required ...
AlMoutaz Billah's user avatar
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2 answers
217 views

I'm confused as to how my multimeter takes readings, especially since its not an auto-range multimeter. I have to switch to the desired range to carry out measurements. Unfortunately, the resolution ...
imran muhd's user avatar
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1 vote
3 answers
675 views

I just want to check the calibration of my frequency counter, so anything constant under 250 MHz would work(?) Mains are synced to atomic clocks, to maintain wall clock accuracy, but only ...
endolith's user avatar
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1 vote
2 answers
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I am using a BK Precision 8600 electronic load box. I am using it in constant resistance mode (CR mode). I have two resistances I am using, 15Ω and 5Ω, and I am interested in determining the max/min ...
Mikero's user avatar
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3 answers
481 views

While reading this Vishay document about shunts, I saw that temperature mismatch between the shunt's terminals can introduce a "parasitic" voltage drop which will in turn affects the current ...
HatimB's user avatar
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To avoid XY question, I start with my motivation and then my question. I have an Emporia Vue2 (in-panel) power sensor but it is known not to be very accurate. For me there is a discrepancy between the ...
divB's user avatar
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2 votes
1 answer
109 views

I am using the following ADC. I want to know given the figures below, which INL is better? How do I interpret the x-axis (% of FS)? What is my full-scale (FS) value? My Vin ranges from 10mV to 50mV ...
JoeyB's user avatar
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