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This paper presents a heterodyne measurement system of the pulse-to-pulse (P2P) stability and its application to time-domain measurements of a GaN HEMT microwave power amplifier. Envelope and P2P stability measurements are performed for an irregular RF pulse train which integrates a long silence between each pulse sequence. This paper is focused on the impact of RF pulse width and duty cycle on each...
This paper investigates the impact of irregular pulsed RF signals on the pulse-to-pulse (P2P) stability of a microwave power GaN HEMT amplifier. This study is based on both the time-domain envelope measurements and nonlinear circuit envelope simulations of P2P stabilities. Measurements and simulations are performed with an irregular pulse train that integrates a long silence (i.e., off-time) between...
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