I'm trying to design a wide band RF receiver(say 5MHz to 5GHz).
The antenna:
- How long would the antenna have to be to pick up this range?
- I read that the antenna width would have to be at least as long as the half wavelength so would I have to use a 30m antenna to receive a 5MHz signal?
- Would I be able to pick up a 5GHz Signal with that same 30m antenna?
- And to pick up the signal the circuit would have to have a resonant frequency equal to that of the RF signal?
Are there any good resources out there I should look at?
Best Answer
If a very wide range of frequencies needs to be covered usually Log-peridoc antennas are used.
I doubt, however, if you can use one single antenna effectively to cover the range of 5MHz to 5GHz (factor 1000!).