LC Filter

[mark1975]

..you never get any interference in your vid feed -- :)

[Coyote]

Sorted Chris....... Result !

[Chris R]

So 3s 1000mah (90g) is removed and now power vtx/camera from 12v feed from 4s balance plug(s), i always balance charge so not a problem.  :D

Will use same system in Skywalker when carrying 4s 10000mah.

[tomeparker]

Great guide, thanks a lot!

[Flyn]

If you're in any doubt if these work or not here's the proof

http://youtu.be/tYq90M33KrI

[bignose13]

Theses look shit hot
http://store.ivc.no/product/lpf-01
Thank pksurfing for the link
If you buy one let me know, would be good to see how well they work

[dogzilla]

If you buy one let me know, would be good to see how well they work

I have one, use it in my big wing with RVOSD and video is crystal clear.

That being said, it also does funky things to some devices. On my Disco Pro, putting that filter in front of my VTX totally borked the tbs core for some reason. Their site even says something about it:

Update March 2013: It is now possible to select between common mode and differential mode filtering. A solder jumper pad on the input side disables filtering on the negative/ground-lead. If you experience issue with OSD systems, try changing the filter to differential mode.

And despite trying the jumper pad, it still didn't work, so I removed it and my TBS Core started working again. No idea how or why but there you go.

[Pr][nCe]

Ian did i do a boo boo?
powered up and smoke and pop.
ok is the one with like - > - > - > plus or minus? i put it as plus?

[Coyote]

Your capacitor is on the wrong way around Darren, the side with the - > band on it is 0v

[Pr][nCe]

will make another in abit :(
cheers Ian :)

[Ynot6]

electrolytic capacitors really don't like reverse voltages.

[Pr][nCe]

electrolytic capacitors really don't like reverse voltages.

Nope did not like it a bit. it spat at me made my arse go :)

[PotNoodle]

These little Murata filters are great (good to 10A, the 023 is able to handle even more - 15A iirc):

http://www.ebay.co.uk/itm/MPN-BNX022-01L-Filter-Emi-Dc-Line-MURATA-Pack-of-1-/251407021561?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item3a8906b5f9

Sometimes you can find them assembled onto PCBs with easy to solder terminals

[Harveybear]

I have the little eachine et200 tx and camera, the the camera is powered by the tx. Should I put the capacitor before the tx, or after it (before the the camera) ?

[Coyote]

Before the transmitter so the transmitter has clean power and the passes it on to the camera.