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VNA Measurements
4-5 2-Port Amplifier Measurement
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
Vector Network Analyzer MG
PN: 10580-00289 Rev. K
4-11
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