[PSES] RF immunity - audio noise in headsets

2018-09-04 Thread Amund Westin
Wired headsets and microphones connected to a product, often acts as receiver for induced RF fields. That means you quite often hear the 1kHz modulation tone under the RF immunity tests. This is quite annoying for the user and above a certain level, not acceptable. To avoid such phenomena is qu

Re: [PSES] DoC - 3rd party device to be included?

2018-09-04 Thread Nyffenegger, Dave
Amund, I’d think (since your product conformance is only valid with specific adapter) your adapter must be included with your product when doing all the applicable testing to harmonized standards and in the technical file as a critical component and therefore would be inherently included in you

[PSES] SV: [PSES] DoC - 3rd party device to be included?

2018-09-04 Thread Amund Westin
Just to make it a bit more complicated …. One of the adapters we are using is not for sale anymore. But we have a lot of adapters in stock and we have made tests to include the A2 for IEC/EN60950-1 and the adapter is now good for LVD. But the original DoC from the adapter manufacturer is not

[PSES] DoC - 3rd party device to be included?

2018-09-04 Thread Amund Westin
We buy AC/DC adapters form a major power supply manufacturer. It has all the papers in place as DoC, CB test reports and CB certificate. This adapter has been used under the EMC, LVD and RED tests of our product. There have been some questions if the adapter should be included in the DoC, b

Re: [PSES] CE marking - mixture of responsibilities

2018-09-04 Thread Scott Xe
Hi James, It is quite normal attitude for an oem or odm manufacturer. They have over hundred buyers to keep their business alive and lack of resource to meet all standards of their buyers. In order to meet your requirements, you have to actively educate them for what they have to supply in order