Questions tagged [testing]
Proving the proper operation or finding faults in an electrical device. It can be done using electronic test equipment or by a software-based simulation.
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Likeliest RAM behavior with solder bridge
Thinking about automated self-test of PCB assemblies with RAM chips... I'm working on unit testing a memory test algorithm and trying to mock the behavior1.
(either SRAM or SDRAM or any other memory ...
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How to test speed of my 1GBps ethernet port board? [closed]
I built a board with STM32H. How to test the speed I'm getting at my 1GB ethernet port? I do not what to do static ping test I want do I'm getting 1GBPS or 900MBps speed on my port.
any ways?
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Would this motor growler from a microwave oven transformer work? (Drawing included)
I want to make a growler to test motor rotors / armatures.
I want to use a microwave oven transformer, removing the secondary coil, cutting the centre out (where the two red lines are) and removing ...
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120vac Lamp Test Circuit - Diode Orientation
I am trying to design a lamp test circuit that is shown in the attached diagram. I need help getting the diode orientation set up correctly so that I don't get backfeed energy to the contactors when ...
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ESP32-C3 + sensors – need a power/voltage sanity check
I want to make a DIY gift for my boyfriend: a smart planter that waters itself. He travels a lot and… not his plants. I have access to a 3D printer and I’m comfortable with soldering, but I’m not ...
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Why the drain voltage of a power MOSFET undergoing an unclamped inductive load switching test is not 0 V at the end of a LTspice simulation?
I am designing an unclamped inductive load Switching tester for DUTs at 3.3 kV. I am experiencing a problem in LTSpice simulations where the drain voltage of the power MOSFET under test is stuck at a ...
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Operation Endurance Test Duration of DC-DC converter for EV
I am in the process of designing testing procedures for an EV DC-DC converter. I have looked up relevant global standards.
One of the standards I am referring is ISO 21782-7: "Electrically ...
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Crss (Cgd) vs VDS. Test Circuit
I have the following circuit to determine the dependence of the CRSS on VDS.
Before performing the measurement, it is necessary to calibrate the setup with short and open conditions on my LCR meter. ...
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Strange or normal ohmeter measurements of IRF630 N-channel mosfets
10 new (bought on ebay) IRF630 N-channel mosfets. For all except for one of the 10 mosfets measured the following on an old multimeter on ohms x1k scale which I think uses 9 V battery.
Momentarily ...
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Inertial Measurement Unit Calibration procedure [closed]
I used three gyroscopes and one accelerometer to measure three axes in my electronic design. How should I calibrate the rotating table that rotates on three axes?
According to my research, first, the ...
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EMI problems with PCB (SIM7600/STM32/ESP32)
During EMI testing, I’m encountering issues with a board I designed. The board includes a SIM7600 module, STM and ESP32 microcontrollers. It is powered from a 12 V source and uses three AOZ6663DI DC-...
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Where does current clamp go in conducted emissions testing of transformer isolated equipment?
I am wondering where one would perform conducted emissions testing on a device that runs from a step-down transformer.
On the primary (high voltage)? On the secondary (low voltage)? Both?
Where would ...
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Difference between positive and negative polarity impulse voltage (1.2/50) [closed]
In cable testing, what is the difference of using positive and negative polarity impulse?
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Shielded Cable for IEC 61000-4-6
BSEE here but I’ve been writing firmware for twenty years and my electrical knowledge is rusty. We have a USB device we want to test to 61000-4-6. My boss is saying that because we don’t have the same ...
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20 Vrms 60 Hz Test Signal
I'm looking to generate a 20 Vrms 60 Hz test signal for the CMRR test of IEC 60601-2-27.
I haven't been able to identify a waveform generator beefy enough to output 20 Vrms. Would there be ...
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