The problem with nRF51822-QFAA+BAL-nrf01D3+Pi-network+SMD chip antenna

[cobrahzf]

Hi： I used a design with nRF51822-QFAA+BAL-nrf01D3+Pi-network+SMD chip antenna,but it didnt work well.I tested the VDD_PA Pin ,it didnt have a 1.6V voltage(datasheet),thats reason why the antenna didnt work well? Thanks for any help!

[Øyvind Karlsen]

Hi,

To give you any indication about this we will need to see your layout, please provide gerber files. If you prefer to keep your design secret, you can make a ticket at the mypage support portal.

Most likely your matching circuits are not 50ohm, have you seen the general PCB design guidelines?

[cobrahzf]

Hi, Do you have any FAE in China,I do not know how to provide my gerber file to you.Thanks for your answer.