RF Front End Receiver Design

[krn1507]

Hi all, We have designed an RF front end receiver (Low Noise Amplifier and Passive Mixer)....Right now we r doing PSS, PAC, PNOISE analyses.....

1. Can we plot Conversion Gain Vs input RF frequency...?

2. Can we plot Noise Figure Vs input RF frequency..?

Please give me valuable suggestions how to do those analyses......?

 

[biff44]

1) yes, so long as you do not overdrive the input with too much RF power
2) no, but you can measure the "residual" phase noise

 

[krn1507]

1. ya, but the IF will be changing na..........so i need it to be with IF constant..

2. Can explain me w.r.t the simulation point of view..............the above one also....

I want Both to be with IF constant