Tip / Sign in to post questions, reply, level up, and achieve exciting badges. Know more

AIROC™ Wi-Fi and Wi-Fi Bluetooth Combos Forum Discussions

EdTy_2191711
Level 2
5 questions asked Welcome! First comment on KBA
Level 2

Hi,

We have a number of existing products that are using the CYW43430 (Murata 1DX) and are in need of retesting to suit RED (Declaration of Conformity for European Union’s Radio Equipment Directive) and EN301 EU requirements. This will shortly prevent our client from selling current product into the EU. We were using the test blobs and scripts from Murata but the check the test house cannot perform is the  modulated Bluetooth LE test with the ability to vary the transmit power.  Murata suggested we contact you for update blobs and whatever.

 Thanks.

0 Likes
3 Replies
advait_kulkarni
Moderator
Moderator 25 sign-ins 10 replies posted First solution authored
Moderator

Hi @EdTy_2191711 , Greetings.

Kindly elaborate on why do you want to conduct a retesting, so we can understand your requirements.

Also please let us know what are your exact transmit power requirements.

Thank you and regards.

Advait.

0 Likes
EdTy_2191711
Level 2
5 questions asked Welcome! First comment on KBA
Level 2

Hi Advait,

First, we need to retest due to changed EU regulations, here is a paste from the link below:

------

One of the most frequently used standards for approval tests for products with radio technologies is ETSI EN 300 328. The previous version V2.1.1 is now replaced by the new V2.2.2, which means various changes for manufacturers.

In our webinar “Introduction to ETSI EN 300 328 V2.2.2”, we have already reported in detail about the changes in the changeover to V2.2.2, but at this point we would like to point out once again the upcoming expiry of the transition period:

  • The transition period for V2.1.1 ends on August 6, 2021.
  • After this transition period, however, products placed on the market must meet the requirements of the new V2.2.2 version.
  • This also applies to long-life products that have been tested according to V2.1.1 and are already on the market:
    • Products that do not comply with V2.2.2 after August 6, 2021 cannot be marketed.

https://www.cetecom.com/en/news/etsi-en-300-328-was-updated-to-v2-2-2/   

-------

Our client's test house has replied with the following feedback and the test standard that they are using together with the section having issues.

The full standard name is ETSI EN 300 328 V2.2.2
And the section they are having trouble with is as follows:
 
1. Section number: 4.3.1.12、4.3.2.11
For the Bluetooth part, please advise a method for counting the number of data packs on receive in order to test blocking.
 
2. Section number: 4.3.2.3

As per the email, since the output power was too high with a result of 11.5dBm it caused a failure of PSD(power spectral density), we need to adjust the output power for a retest. 

As the engineer said, generally this volume is 0dBm, but it depends on your requirement of the product, anyway, it shouldn't be that high of 11.5 dBm.
 
3. Section number: 4.3.2.6、4.3.2.11
This is for the Wifi part, please advise a method to connect the router in order to test adaptivity and blocking.

---------

So this is where the BLE modulated transmit test in particular is failing as the current driver and test scripts do not allow variable power. WE can adjust the TX power on BLE CW, BR modulated/CW but not BLE TX modulated.

 

Besides the power issue we will also have to get some advice on how to perform the required blocking tests. 

 

Thanks.

  

0 Likes
EdTy_2191711
Level 2
5 questions asked Welcome! First comment on KBA
Level 2

Hi Advait,

It's been some time now and our test house is urently needing an update, can you give me any intormation?

 

Thanks. 

 

0 Likes