Mar 30, 2016 #1 T Twave03 Newbie level 4 Joined Aug 13, 2015 Messages 7 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 49 Hi, I have a project where a antenna is needed Requirements: The antenna must fit in this enclosure: **broken link removed** Attention points: PCB with ground plane inside enclosure Batteries under PCB (=metal) Requirements High efficiency Operational on 868MHz ISM band Is there anyone who can help me ?
Hi, I have a project where a antenna is needed Requirements: The antenna must fit in this enclosure: **broken link removed** Attention points: PCB with ground plane inside enclosure Batteries under PCB (=metal) Requirements High efficiency Operational on 868MHz ISM band Is there anyone who can help me ?
Mar 30, 2016 #2 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,513 Helped 14,758 Reputation 29,798 Reaction score 14,128 Trophy points 1,393 Location Bochum, Germany Activity points 298,482 This will be an electrical small antenna (l < λ/4). Some suggestions in the TI application note AN058 https://www.ti.com/lit/an/swra161b/swra161b.pdf Popular solutions are wire coil or chip antenna.
This will be an electrical small antenna (l < λ/4). Some suggestions in the TI application note AN058 https://www.ti.com/lit/an/swra161b/swra161b.pdf Popular solutions are wire coil or chip antenna.