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Old Aug 19, 2011, 09:29 PM
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Quote:
Originally Posted by QiW View Post
i am curious to see the post where IBCrazy says harmonics do not interfere
......

Quote:
Originally Posted by IBCrazy View Post
A low pass filter removes the harmonics of a system. At 1.3GHz, the second order harmonic is 2560MHz, which is well outside the 2.4GHz band. Also, this harmonic is typically very small. The third order harmonic is the killer. Luckily, we have no control systems on that band. Now if you are flying 1200 or 1240 MHz, the filter will help you.

This also assumes that you use adequate separation. All the filtering in the world will not help you if you place your components right on top of each other.

-Alex
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Last edited by ScooterInVegas; Aug 20, 2011 at 01:38 AM.
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