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A novel millimeter-wave LTCC based on three-line stripline structure wideband bandpass filter is presented. Folded structures are employed to realize minimization. Compared with traditional three-line structure, the presented structure can easily expand the passband with using much more compact 3-D structure, and introduce one transmission zero by putting resonators in a folded way, so that the rejection...
Two compact microwave band pass filters used in Ka band LTCC frequency synthesizer are presented in this paper. The filters are buried in the Ferro-A6 substrate. Modified SIR structure is employed to improve the stop band rejection and minimize the size of the LTCC BPF. The design processes are proposed. The measured results of the BPFs agree well with the simulation.
An improved SIFW structure is proposed for the first time in this paper. Base on the new structure, two novel millimeter-wave SIFW BPFs have been analyzed and designed in this paper. Through the cross-coupling, the filters could provide TZs on lower and higher stopband which greatly enhance the side-band rejection. LTCC technology is also implemented to realize further compact size of this filter...
In this work, we propose a novel millimeter-wave SIW bandpass filter (BPF) that combines the technology of E-plane iris filter, SIW and LTCC. This filter with equivalent E-plane iris mounted in SIW is buried in LTCC substrates, and has a pass bandwidth from 34.1GHz to 35.9GHz. The insertion loss is less than 1.8dB and the return loss is better than 21dB in the entire pass band.
In this paper, a design of narrowband cavity LTCC bandpass filter was presented, including basic synthesis, structure configuration and EM-simulation. According to full-wave EM simulation, insertion loss was less than 0.9 dB in the passband (34.5 GHz - 35.5 GHz) . At last, topology of the embedded LTCC BPF was in harmony with the whole LTCC transceiver module and can be realized very easily by LTCC...
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