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Electrical Engineering

Questions tagged [certification]

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135 questions
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3 votes
1 answer
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I am designing a wearable device that will be powered by a single rechargeable lithium button cell. It will be charged via 5V USB, the battery is 65mAh and maximum load current is 5mA. I am designing ...
KangarooChief's user avatar
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1 vote
0 answers
31 views

I am currently working with a consulting firm, and we have encountered a scenario involving a host device that integrates a pre-certified RF module. This module already holds FCC grants under Part 15 ...
Harsh's user avatar
  • 123
0 votes
0 answers
75 views

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-...
electronics's user avatar
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6 votes
3 answers
1k views

My PCB failed the conducted emission measurement test (I am not very experienced in this field). The application involves a resistive heater (1200 W) controlled with a triac via pulsing an opto-triac ...
b1063n's user avatar
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1 answer
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Here you can read: FCC/IC/RED Modular Approvals in Place I'm aware what "Modular Approvals" means, but what does "in Place" mean within this context?
Mark's user avatar
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1 vote
0 answers
122 views

Context > In ISO 13849-1 CAT-3 architecture, you need 2 redundant I-L-O (Input-Logic-Output) channels and there has to be a cross monitoring between two redundant logic units. Refer to the image ...
Saurav Kulkarni's user avatar
  • 11
1 vote
3 answers
169 views

There is a digital output control module with a CAN interface that I will be working on. Its already certified against EMC, e-mark (UNECE 10). As the previous contractor will no longer support the ...
Yudop's user avatar
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1 vote
2 answers
217 views

I'm aware that you can power a wound motor (DC or even stepper) if you limit the current inside the coils. You cannot just apply a higher DC voltage to them. I'm using a DRV8871 to control a VN-C1 ...
Mark's user avatar
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2 votes
1 answer
314 views

I joined a project after some of the initial design decisions were made, so it’s not quite how I’d like it, which now presents me with a bit of a problem. I have two power cables that are emitting ...
Sylvester's user avatar
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2 votes
1 answer
214 views

For IoT devices with a Powered Device (PD) for Power Over Ethernet (POE) and not plugged into AC mains; What, if any, standards would a device potentially be subject to at an Nationally Recognized ...
Voltage Spike's user avatar
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2 votes
1 answer
696 views

Can anyone please guide on whether the replacement of GPS receiver with the same spec from the another brand for the cost reduction would impact the FCC approval received for the device or not? If yes ...
Harsh's user avatar
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0 votes
1 answer
150 views

I have a CE certified product that uses USB micro port. In lieu with EU requirements that all products must use USB-C port, do we need to apply for get a new certification for CE if we change the USB ...
Sher Velasco's user avatar
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0 votes
2 answers
316 views

Only in some places. Weight scale product certification NRTL 110VAC
Jose Bontorin's user avatar
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1 vote
1 answer
424 views

We need to import two products that are newly designed and operate on wifi and BLE. We are planning to get them for beta testing. We have talked to a few interested parties where the products will be ...
vkbb's user avatar
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0 answers
46 views

Do products that will be mounted on elevators needs extra certifications (apart from FCC or CE) to be sold in North America and Europe? The product will be connected in the roof of the car, connected ...
juan jesus pinuaga's user avatar
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