Mar 4, 2010 #1 S sushain Newbie level 4 Joined May 15, 2007 Messages 6 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location India Activity points 1,310 How do we calculate combined Noise Figure of devices connected in parallel?
Mar 4, 2010 #2 V venturer84 Junior Member level 3 Joined Jul 2, 2008 Messages 29 Helped 3 Reputation 6 Reaction score 2 Trophy points 1,283 Activity points 1,416 Noise figure Please can you explain this in a little more detail? Pehaps a simple example might help
Mar 4, 2010 #3 B biff44 Advanced Member level 6 Joined Dec 24, 2004 Messages 5,048 Helped 1,376 Reputation 2,748 Reaction score 1,056 Trophy points 1,393 Location New England, USA Activity points 37,917 Re: Noise figure when you connect RF devices in parallel, you split the power going to each device. If you split it equally, you take at least a 3 dB hit over the NF of either device by itself.
Re: Noise figure when you connect RF devices in parallel, you split the power going to each device. If you split it equally, you take at least a 3 dB hit over the NF of either device by itself.
Mar 5, 2010 #4 S sushain Newbie level 4 Joined May 15, 2007 Messages 6 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location India Activity points 1,310 Noise figure @biff44: Could you pls explain in detail what do you mean by "atleast 3 dB hit"??