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calc_19.php    11182 Bytes    23-04-2024 16:02:37


IP3 CALCULATOR


Spurious Free Dynamic Range



IMD is measured by examining the output of a Device Under Test (DUT) with a spectrum analyser while the DUT is being stimulated with a two-tone-rf test signal. Usually the odd (IMD3, IMD5,...) products are observed, because they fall back into the spectrum of interest.


The Measurement Setup

The Measurement Setup : Two Sources added up and applied to a DUT.


In order to measure this, you will need two RF generators. Make sure their output is combined therefore, that they don't "see" each other.



Two Tones Test



Level P1   
   [dBm]   
 
Level P2   
   [dBm]   
 
Gain S21   
   [dB]   
 
System Noise Figure   
   [dB]   
 
System Bandwidth   
   [kHz]   
 
OIP3   
   [dBm]   
Min. discernible Input Signal   
   [dBm]   
Max. spurious free Input Signal   
   [dBm]   
Spurious free dynamic range   
   [dB]   
   
   
 




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t1 = 6587 d

t2 = 181 ms

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