Questions tagged [ce]
Use this tags for questions regarding European CE marking of electronics. This includes things like EMC, radio or environmental testing according to the applicable EU directives. Do not use this tag for questions regarding BJT common emitter - there's the common-emitter tag for that!
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Difficulty in gaining Class II CE certification for an aluminium single-sided PCB
We have a product that consists of an aluminium single-sided PCB with micro-controller and LEDs soldered to the copper side. The PCBA is shaped so that it can be bent to fit over the scalp of the user ...
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Li-Po battery standards for EU & US
I am selecting a Lithium Polymer battery for a general low power electronic device with wireless communication which we plan to sell in EU and US. My reference is following documents:
IEC-62368: &...
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Electrical Safety Guideline for LVD Compliance
We are making a product -a warning light- with 220V rated voltage. The product has a non isolated offline buck regulator. The 220V part can be accessed without the use of a special tool (there is a "...
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886MHz ETSI duty-cycle requirement
We are designing a 868MHz keyfob, which is transmitting in a band with a 1% duty-cycle limit.
According to the ETSI EN 300 220-1 standard section 5.4, the duty-cycle should be measured for a period ...
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Need advice on new device regulatory requirements
I have designed a product (device) that runs on 12 VDC (similar to a laptop). It is AC powered using a (table top), detachable switching power supply 100 VAC to 240 VAC, 50-60 Hz, again exactly like a ...
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Can I safely operate a DC motor at 40% higher voltage than nominal?
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 ...
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EN55032 Conducted Emissions - 40cm From Vertical Reference Ground Plane
I've always wondered why we need to position the EUT 40cm from the metallic wall for conducted emissions testing. Does it have something to do with the EUT capacitively coupling the higher end of the ...
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Product certification for devices mounted on elevators
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 ...
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Bluetooth and Wifi Maximum Power limt
I saw below Bluetooth chip comparison of many module , most of all are having 8dbm max power , what I know FCC has 30dbm and CE has 20dbm Max power limit so why Bluetooth module are limited to only ...
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What safety regulations do I need to follow for wiring of a decorative lamp utilizing a fluorescent tube with g10q fitting?
I'm building a cast concrete decorative lamp. It will use an exposed circular fluorescent bulb, which attaches to a g10q lampholder. I understand I will need to wire it up to a ballast and starter, ...
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What happens when the chip enable active time limit is exceeded?
The datasheet of a FRAM chip (FM1608-120-P) says that "the device has a maximum /CE low time
specification that must be satisfied". The datasheet does not state what the consequences are when this ...
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