VNA Measurements 4-5 2-Port Amplifier Measurement
Vector Network Analyzer MG PN: 10580-00289 Rev. K 4-11
Group delay is another popular measurement with broadband amplifiers. The two plots that
are illustrated in Figure 4-9 and Figure 4-10 show the group delay of the amplifier with
2% aperture and 10% aperture. Increasing the group delay aperture makes the measurement
less susceptible to noise, but provides less fine detail in phase linearity.
Figure 4-9. 2% Aperture
Figure 4-10. 10% Aperture
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