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# Calculate iip3

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15 Threads found on edaboard.com: Calculate iip3

## IIP2 and IIP3 plot in LNA

Hi, Can anyone help me in calculating IIP2 and iip3 for LNA using ADS. What are the equations used to calculate those. Thank you

## Intermodulation Problem

Hello, With the use of a spectrum analyser i am getting a power spectral density across the frequencies of concern (gsm channels). For f1 and f2 (2 gsm channels) i know their powers and i am then trying to calculate the power of any possible imps using the formula IM3_1=2P1+P2-iip3 IM3_2=2P2+P1-iip3 where is (...)

## P1 dB and iip3 for homodyne receivers

hi all i am simulating zero -IF receiver for wimax. i want to calculate 1 dB compression point but in HB it is not allowing 0 Hz as output frequency. and for 3 mixer tones what is the iip3 equation pls help thanks

hi all i want to calculate iip3 in ADs. I have 2 inputs LO and Rf freq for zero if receiver for wimax .the centre freq is 5.20 GHz.what will be the indices and equation required to calculate iip3 pls help

## Two ways to test the linearity of a Switched Capacitor Integrator? Which is better?

Dear all: The switched capacitor integrator is as following. how to test the linearity of the integrator? I am considering to do it in following way. 1) Input is a pure sin wave, the do pss+pac, then calculate the iip3 2) input is a pure sin wave, the output is a stair-case sin wave, then sample the output and do DFT the watch the HD3.

## How to calculate the third order distortion of the cascaded components? Any equations

The Cascade calculation formula of Gain/NF/OP1dB/OIP3 can use Cascade or the tool I developed[/URL

## i need help for calculate iip3

hi i hope :the sentence is correct:?: i cant calculate iip3 for lna with ads?:sad: pleas help me

## Have this circuit in ADS and i want to calculate IIP3

i have this circuit in ADS and i want to calculate iip3 . can anybody help me?

## How to draw the IIP3 versus bias current in spectre?

Write your iip3 equation in the outputs menu and then make your simulations by changing bias current utilizing parametric simulation.So, when you change bias current, for each step PSS+PAC will calculate iip3 and you'll obtain iip3 vs bias current curve.

i think u can replace the Iand Q with single path just to calculate the total NF , gain , and iip3 then apply the result to I and Q khouly

## Formula for calculating IIP3

calculate it , or simulate , it if u want to calculate it , check the book of the razavi , RF microelectronics , it is very good khouly

## How to calculate IIP3 for a system according to standards

Dear all, I know the expression of P_iip3=(3P_in-P_im,in)/2; it leads to P_in=(2P_iip3+P_im,in)/3, to get P_in,max, let P_im,in=F (noise floor). P_in,max=(2P_iip3+F)/3. There are two variables in equation, P_in,max and P_iip3. In RF system design, which one should be (...)

## IIP3 for RF front end in 802.16a

I need iip3 of front-end for designing a 5 GHz Mixer in 802.16a. How I can calculate the value of the power of the input interferer,

## What does characterization mean?

If you had obtain the Intermodulation Intercept Point, Noise Figure and Gain/Loss of the various analog block within your design then from which you can then calculate the overall system noise figure and iip3. You could find the detail calculation example in Razzavi's RF IC Design.

## what do you think about Hspice for RF design?

Because it lacks for display function like NF, iip3 and 1dB point, another fatal problem is that it can't show data on smith map. You still can write your own equations to compute these parameters but its not intuitive. For linearity analysis, most people use FFT to calculate the 3rd order or 2nd order IM term. But it needs a long time to do a