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The THS4303 does not have a specified 1dB compression point as this is a RF spec. Rather, the THS4303 uses output voltage swing limits and current drive limits for its specifications. This article (link here) outlines when and why each spec is used and the difference between the two.
If you want a considerably more thorough discussion of mapping op amp output limits to -1dB compression, section 8 in this 1993 app note I wrote will get into more detail.
My concern is as it is a amplifier whose gain is getting utilized in the application. So for every amplifier the 1 db compression point, harmonic distortion, noise figure etc parameter must have been defined so as to behave as an amplifier. harmonic distortion has been provided in the data sheet This is because I am asking the 1 dB compression point. Please comment on 1 dB compression point.
As I stated previously, the 1dB compression point is typically a specification used for RF amplifiers which run at higher frequencies than our high speed amplifier product group, including the THS4303. Instead of specifying the 1dB compression point, that specification can be mapped to the output voltage swing limits, current drive capabilities, and slew rate.
The app note that Michael attached discusses mapping the amplifier output limits to the 1dB compression point. Unfortunately we do not have any 1dB compression point specification for the THS4303.
