Dual-Band Balanced-to-Unbalanced Power Divider With Independent Power Division Ratios

Dual-Band Balanced-to-Unbalanced Power Divider With Independent Power Division Ratios

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A dual-band balanced to unbalanced power divider with independent power division ratios (PDRs) at two operating frequencies is proposed in this article.The proposed power divider includes a dual-band phase inverter, a grounded resistor, and four transmission-line sections (TLS).By simultaneously changing characteristic impedances and electrical lengths of the four TLS, the independent PDRs are obtained, and the large-signal output port at lower and borstlist självhäftande upper operation bands can be different.Compared to the previous works, it has more flexibility in the power division.

Moreover, the closed-form design equations are provided and discussed.To verify the proposed structure, two BTU power dividers operating at 1.0 and 2.0 a&d ej-123 GHz are designed, fabricated, and measured.

The PDRs of the first power divider are -6 and 6 dB for the lower and upper operation bands, respectively.The second power divider has the PDRs of 3 and -6 dB.The measured results are good agreements with the theoretical calculation and electromagnetic simulation.