Questions tagged [test]
A definitive procedure that produces a test result.
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questions with no upvoted or accepted answers
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Electrochemical Gas Sensor Potentiostat Circuit
I guess this is more of a review request than a specific question, but I was wondering if anyone has any experience with electrochemical sensors and the required circuits for gaining accurate ...
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How do I know that the isolation tester is doing its job?
I am measuring the isolation resistance of a device where the measured value is within the range of just measuring with the test probes hanging freely in open air.
1 kV gives values in gigaohm range.
...
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Checking battery capacity of 7 amp 12 volt AGM batteries for UPS
I have several 1000 watt Triplite sinewave UPS. The batteries had a date code of 2021 and testing with an 800 watt resistive load ,two heat guns,I was getting around 3 minutes run time,specs state ...
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Double pulse testing the first transients on the current
I would like to comprehend what represents the first pulse on the ID current of the LS and HS in double pulse test configuration. I have the circuitry as shown:
LS is my active switch, when I turn ...
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Parametric or Template test by Ethernet Compliance Test
I am trying to design this part of TC6 from Ethernet test fixture board. As I dont need rest part of the parts for my test. Can someone tell me what are the loads are? Here three different loads can ...
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Determining specs for a power supply for a mystery motor
I have a set of 4 motors for an automatic backdrop system for a photographer studio.
How can I determine what I need to run these? They would normally come with a box with switches that operate them (...
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How can I test an LCD with an RGB port?
I want to test this LCD. When I connect its power, the message "no signal" appears on the screen. How can I send a simple signal to it for testing?
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RF test socket pin max power handling capability
Do RF test socket pins have a max RF test power handling capability specification?
Most RF pins that these sockets touch do have this specification. However, I don't see it listed for socket pins. ...
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Automated Hardware/Software Test
I am an Electrical Engineer and I don’t have a strong Software Engineering background.
My problem is: I need to test several Smart home devices. For example: a door that opens and closes (also 2 ...
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DIY transformer winding, "Light bulb test"
I "hack" cheap "electronic transformers" for use as filament supply for my tube amplifier projects. They operate at about 50KHz so there is no audible hum (a particularly annoying ...
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Why is insulation resistance is bad when absorption Ratio ≈ 1 and insulation resistance is good when absorption Ratio >1.25 or 1.3?
i will do absorption Ratio (AR) test for transformers in my job,and i know how to calculate the absorption Ratio
AR=\$ \frac{R_{60}}{R_{30}}\$
\$ R_{60}\$=Insulation Resistance after 60 second test
\$ ...
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How to select an appropriate tone spacing for intermodulation distortion testing?
Intermodulation distortion measurements require (at least) two closely spaced carriers combined before going into the DUT. I understand the basic theory but have not grasped the effect of the choice ...
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Vdd rise test in real life
I want to simulate VDD rise. For example I want to raise 1.2V VDD to 4-5 Volts for tens of microseconds and lower back to 1.2V. Suppose I have a high rise and fall time pulse generator (200-500 ...
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Vector Network Analyzers: Bode100 vs Keysight P5000A
I have been using Bode 100 machine earlier to measure Impedance and Phase of my piezoelectric transducer.
The frequency range i work in is from 10kHz to 2.5MHz.
I was just comparing this Bode100 with ...
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Built in Self Test - In Embedded memories
I am reading this thing called -BIST (Built in Self Test).
I understand that, before a module enters its intended functionality, this BIST is made to run within the module. Once, this BIST is passed, ...