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A compacted CMOS K-band bandpass filter incorporating meandering thin film microstrip and defective uniplanar compact photonic bandgap (UC-PBG) slow-wave structures for size reduction are presented. Benefited from the multilayer metal technology of the standard 0.18-mum CMOS process, meandering thin film microstrip and broadside-coupled structures with large coupling degree are properly constructed...
This paper presents a tunable dual-band microstrip after using step-impedance resonators (SIR) with wide stopband and low insertion loss. The dual-band Alter employs two SIR single-band Alters for the specifications of the two passbands respectively and using novel layout to make the two single-band Alter can be designed independently and achieve wide stopband. A prototype dual-band filter operated...
A miniaturized open-loop resonator bandpass filter with suppression of second and third harmonics is demonstrated in this paper. This novel filter is based on the common open-loop resonator bandpass filter with capacitive terminations to achieve size minimization, while the spurious response are suppressed by low characteristic impedance microstrip open stub lines as capacitive terminations. The simulations...
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