Ressoadores Com Impend Ncia Degrau
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1. Um novo filtro de microondas com dupla banda passante utilizando ressoadores miniaturizados / A new dual band microwave filter using miniaturized resonators
Recent development in present communications systems has created challenges in design of RF circuits. Parameters as small size, reduced weight, low cost and easy fabrication are every day more demanded. Dual band filters using stepped impedance resonator (SIR) are good option. In this research a new type of planar microwave filter using coupled microstrip SI
Publicado em: 2007