A Compact Frequency- and Power-Dividing Ratio-Tunable Quadrature Coupler

<div>Simulated and measured results of the frequency-tunable quadrature coupler. 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International Journal of RF and Microwave Computer-Aided Engineering

fig7

Figure 7

Figure 7: A Compact Frequency- and Power-Dividing Ratio-Tunable Quadrature Coupler 