Powering video downlink from AQ 5V?

[hogster]

Hi all

Would I be ok to power my Airwave 25mW video downlink transmitter from the AQ 5V rail (tapped off one of the PWM ports)? Their datasheet quotes the supply current as 110-140mA:

http://www.active-robots.com/radio/audi ... itter.html

(under the Downloads tab)

If not, I also have a spare 5V regulator that will allow me to run it from the flight battery.

Many thanks!

Davd

[Kisssys]

David,

Their is over 1 amp available so 100 ma is not a problem. If you have servo's hooked up then you may have an issue unless they would be very small servo's used to position a FPV camera.

Cheers
Steve

[hogster]

That's good to know, thanks for the reply Steve!

I suppose the question is whether the pulses of transmitted power will in any way disturb the operation of the AQ / introduce noise onto the power supply rails. I guess the only way is to plug it in and find out!

Thanks again

David

[Kisssys]

I've used 900, 1280, 2.4g and 5.8g and I have not had a problem with the AQ. I have interfered on occasion with my Spektrum receiver. I have a M4 with 200 milliwatts on 5.8ghz less than 10mm from the board. I would still perform normal range testing to confirm all is well.

[hogster]

Hi Steve,

That's good to know, thanks for your reply! My downlink will be on one of the undercarriage legs so it'll be nice and far away from the AQ.

Cheers!

David

[plexus]

Hi,
On my side It is better to powered with a Bec to separate all power supply, also for security.
Alain

[hogster]

Hi Alain,

Do you mean powering anything separate from the AQ with its own regulator?

Many thanks,

David

[joebar.rc]

[hogster]

Hi Joe,

That's good to know, many thanks

David