radiated power meter

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I am preparing a project on radiated power meter. Aim is to catch the
em waves of a particular frequency range and to measure its power and
display it. Can someone please give me some information about which
type of reciever antenna i should use.

thanks

 

[Rheilly Phoull]

I am preparing a project on radiated power meter. Aim is to catch the
em waves of a particular frequency range and to measure its power and
display it. Can someone please give me some information about which
type of reciever antenna i should use.

thanks

I reckon I would use one that was matched to the particular frequency range,
you may even have to go so far as to mention that before there is much
response.

 

[Phil Allison]

I am preparing a project on radiated power meter. Aim is to catch the
em waves of a particular frequency range and to measure its power and
display it. Can someone please give me some information about which
type of reciever antenna i should use.

** You need to explain the application properly first.

What range of frequencies ?

From what sort of transmissions and at what distances.

Is it mobile phones you want to compare or are you ranging space craft ?




......... Phil

 

[Joe McElvenney]

Hi,

I am preparing a project on radiated power meter. Aim is to catch the
em waves of a particular frequency range and to measure its power and
display it. Can someone please give me some information about which
type of reciever antenna i should use.

If you are working in the UHF/u-wave region there are a number
of standard-gain antenna designs around you might use. Knowing the
gain you can work out the aperture and then the power density in
the wave front. A common form is a square horn and yet another one
uses a couple of dipoles against a metal sheet reflector.

Google or a good text book are your friends.


Cheers - Joe