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You are right. The optimum source impedance for minimum NF may not match the input impedance of a LNA. You have to trade-off RL for NF. Because you are designing a LAN, NF should be more important. Keep the RL within the spec and the lower NF you can get the better. Thanks.
citifile to touchstone
You are right, assuming you have a good 100Ohm load directly attached to the output port. For a two-port network, you may get S11 or S22 data by switching port1 and por2 , but how can you get the insertion loss in reference to 100Ohm?
touchstone insertion loss calculation in excel
In 1-port measurement, you can do that. However, with 2-port measurement, the measured S11 in 50Ohm system is affected by the load on port2.
For a certain network, a unique Z, Y, or T matrix can be used to fully describe the network. While the...
agilent smith chart tools
Go to the website of ansoft, and download the student version of serenade. There is a useful Smith tool in it.
**broken link removed**
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