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antennas [2015/11/20 22:25] schneider |
antennas [2015/12/31 20:11] liooo [Soldering] |
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The SMA connector should be an edge-launch SMA connector for a PCB thickness of 1.6mm (see [[extension:rfkit|RF Kit]]) | The SMA connector should be an edge-launch SMA connector for a PCB thickness of 1.6mm (see [[extension:rfkit|RF Kit]]) | ||
- | Resistor turned 90 degrees | + | Resistor turned 90 degrees:\\ |
{{:rad1o_10.jpg?100|}} | {{:rad1o_10.jpg?100|}} | ||
- | Alternative: Add bridge, remove resistor | + | Alternative: Add bridge, remove resistor:\\ |
{{:rad1o_11.jpg?100|}} | {{:rad1o_11.jpg?100|}} | ||
- | Using a soldered copper cable as antenna: | + | Using a soldered copper cable as antenna:\\ |
{{:rad1o_9.jpg?100|}} | {{:rad1o_9.jpg?100|}} | ||
- | Adding an SMA connector so that you can connect an external antenna for your specific needs. | + | Adding an SMA connector so that you can connect an external antenna for your specific needs:\\ |
{{:rad1o_12.jpg?100|}} | {{:rad1o_12.jpg?100|}} | ||
- | **WARNING: When soldering, don't connect the unpopulated large pads right below the antenna pads to the pads, this may result in blue smoke!** Best to check right after soldering, we did find a few cases of barely visible connection. | + | **WARNING: When soldering, don't connect the unpopulated large pads right below the antenna pads to the pads, this may result in blue smoke!** Best to check right after soldering, we did find a few cases of barely visible connection.\\ |
+ | {{:antenna_connector_dont_bridge_res_blue_smoke.png?100|}} | ||
== Building an external antenna | == Building an external antenna |