Abstract
A compact Wilkinson power divider which employs a lumped-element design for miniaturization along with low insertion loss is presented in this letter. The Wilkinson power divider is made by integrated passive device (IPD) technology in GaAs (Gallium Arsenide) IPD substrate. The chip area of two-way Wilkinson Power divider is significantly reduced to 0.82 × 0.90 mm2. Over the band of 6.0 GHz −15.0 GHz, the two-way Wilkinson power divider results in an insertion loss (IL) less than 2 dB, an input return loss (RL) greater than 10 dB, the output return loss better than 10 dB, and an isolation (ISO) between two output ports better than 15 dB. Additionally, during the X-band (8.0 GHz – 12.0 GHz), the input RL, output RL and ISO reach 14dB, 18dB and 20dB respectively. The experimental results exhibit that the divider have good potentials in high-resolution miniaturized microwave communication systems.
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