In a number of applications, a matching network capable of providing specified impedances at different frequencies is necessary. In this brief, we present a novel technique for switchless multiband impedance matching networks based on multiresonant circuits. To illustrate this, simulation results of dual-band and triband networks are also presented. In addition, a dual-band impedance matching network has been implemented and evaluated. The dual-band impedance matching network presents two specified impedances, one at 433 MHz and the other at 915 MHz with 0.82 and 0.20 dB of insertion losses, respectively.

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Keywords Dual-band network, multiband amplifier, multiresonant circuits, switchless network, triband network
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Journal IEEE Transactions on Circuits and Systems II: Express Briefs
Silva, F.G.S. (Fabricio G. S.), De Lima, R.N. (Robson N.), Freire, R.C.S. (Raimundo Carlos S.), & Plett, C. (2013). A switchless multiband impedance matching technique based on multiresonant circuits. IEEE Transactions on Circuits and Systems II: Express Briefs, 60(7), 417–421. doi:10.1109/TCSII.2013.2261176