Questions tagged [test]
A definitive procedure that produces a test result.
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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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Using a 555 Timer to Connect to An Asynchronous Counter in Proteus
I'm trying to drive a binary asynchronous counter via the following setup though usually if I see binary counters they are connected to a 'CLK' source of some sort. In an ordinary case, the circuit ...
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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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Where or How can I make AC adjustable load for 120? [duplicate]
The thing is that I want to test the efficiency of some DC-AC inverters but I have to use an adjustable load because the CEC or EU efficiency weighted calcs request to have the perfomance on 5%, 10%, ...
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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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Get practical crystal tester working
After working with quartz components in circuits, I planned to make a test on them in order to be sure if they are really still working as they are supposed to be.
I found this circuit on the internet:...
user321220
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Question on testing transistor TIP120 NPN using multimeter
Could someone please help to confirm if these values for a TIP120 NPN transistor based on the diode setting of my multimeter, indicate any potential fault?
Base (Positive) with Emitter (Negative): 0....
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EMC and Control Area Networks [closed]
With radiated EMI tests, do we need to take into account the communication cabling and its influence on EMI?
I can't seem to find one standard that describes how CAN busses should be configured in EMI ...
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Experimental and theoretical determination of MOSFET threshold voltage
I am working on a project that requires me to extract the proper value of the threshold voltage of a particular MOSFET.
I know that VT is quite arbitrary in its definition. I've researched the subject ...
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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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Synchronizing signal generators with shared LO
I'm currently trying to test my ADC chip using two signal generators. Below figure visually illustrates how the test setup would look like:
The traditional approach uses a 10 MHz reference port to ...
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How to achieve coherent sampling in practice
In the context of measuring a sinusoidal source with an ADC, coherent sampling (i.e. capturing an integer number of periods) allows the use of a rectangular window without spectral leakage.
How does ...
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Do EMC test houses typically accept copper foil in EUT?
Working with small volume product and tight schedule it might become an option to pass EMI limits by use of copper/aluminium foil on inside of enclosure. What is your experience with the labs on this ...
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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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ADC test techniques
Why do we need to test the features of an ADC like INL, DNL, offset, and error? And in addition AC specs like SNR, SINAD, THD, etc. These parameters are in the datasheet prepared by the manufacturer.
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