Electronics interference questions

Hi there,

I'm adding the works to my Bixler 2 and have a few interference questions as ideally, I want to build a nice little pod that can fit all the electronics in it that can be dropped into the top through the normal canopy. 

The electronics I have are:

  • 2.4Ghz Futaba RC
  • 5.8Ghz 600mw ImmersionRC Video TX
  • 433hz 3DR telemetry radios
  • APM 2.5
  • GPS
  • MinimOSD
  • Airspeed sensor
  • Separate BEC (shielded switching BEC)
  • 12v FPV Camera
  • ESC is mounted near engine

I was planning on the pod having the following levels;

  1. FPV camera and GPS (this level is open to air),
  2. APM and RC rx
  3. MinimOSD
  4. BEC 

Was then planning on probably sticking the 2 radios on either side of the pod (if possible for compactness).

From flying my Naza quad, I know GoPro's are particularly noisy and cause interference with the GPS, but the question I have is how likely are the video tx (5.8Ghz) and telemetry tx/rx (433hz) to interfere with anything?

Do they need to be placed a certain distance away from anything else? or can I build them into the pod too? 

If they are better further away, will using antenna extension cables be suitable? or do the actual electronics need to be further away? is there any shielding I should consider?

Thanks in advance,

Alex.

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Replies

  • Hi Alex,

    Have no idea how you are going to fit all this into a Bixler2.  I ditched APM plans for mine and bought a Finwin Penguin instead.

    I am now having the problem of making sure that I have no ground loops.  With the Penguin I can separate everything so radio interference should be no problem however I do not know how the ground is treated on the APM.

    When I was considering the Bixler2 I thought I could use copper or aluminium mesh as a screen.  Are you going to mount the 5.8G transmitter in the tail?

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