GTiDon wrote:Are there any tricks to get the RX5808 receiver working well? I have wired up with the two capacitors as recomended by the sellers pdf
I am getting complete video loss from 40m
A number of possibilities...
Firstly you have to be absolutely sure you're not applying too much voltage to the modules. The transmitter module can only handle a *maximum* of 3.3V -- one of the datasheets specifies 5V but it is *WRONG* and applying more than 3.3V will fry it so that it may still work but will have no range. Also, do *not* use the short length of wire that some module-suppliers include for an antenna. It's the wrong length and can cause the output section of the module to fail -- producing very short range.
Secondly, you have to be very careful with the antenna side of things so as to ensure that your connections are good and the leads are kept as short as possible. As you see in the video -- the amount of the inner cable in the coax which is exposed should be kept to a bare minimum. All RF is fussy in this regard and the higher the frequency, the more important it is to keep things neat and short. 5.8GHz is a *very* high frequency so such things are even more critical.
As I've mentioned before -- with a pair of well-made clover-leaf antennas you should get up to 2Km range out of these modules.
RCModelReviews.com, just the facts.