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https://designers-guide.org/forum/YaBB.pl Design >> RF Design >> Connecting 868MHz RF to slot antenna in aluminum enclosure https://designers-guide.org/forum/YaBB.pl?num=1435141289 Message started by opprud on Jun 24th, 2015, 3:21am |
Title: Connecting 868MHz RF to slot antenna in aluminum enclosure Post by opprud on Jun 24th, 2015, 3:21am Hi all, I Am currently working an a design, featuring an RFM22B 868MHz module, transmitting at upto 20dBm. The PCB i am designing fits into two slots in a aluminum profile, and the in bottom i will mill a slot antenna at 164,3mm. (See attached photet)Tests indicate a feedpoint at 1/20 wavelength, on each side of the slot. My problem is, how to establish a good RF connection from the PCB to the Aluminium surface, preferably something spring-like or pointy mountable on the pcb, so the pcb can be pushed into the slot, fixed, and has a good rf connection to the slot Any ideas, or experience with "RF-to-aluminum-enclosure-connections" would be highly appreciated Best Regards Morten Opprud |
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