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This paper describes a MEMS tunable bandpass filter, which operates at the K band and features a low insertion loss of -2.79-3.58 dB, a small size of 2.9 mm by 1.5 mm and a wide continuous tuning range of 32%. The tunable filter is based on MEMS-varactors-loaded microstrip resonators and has been directly constructed on a high-k low-temperature-co-fired-ceramics (LTCC) wiring wafer using MEMS-on-LTCC...
A wavelet generator (WG) based on simple ultra-wideband impulse radio (UWB-IR) architecture has been developed to use for multi-gigabit communications systems that utilize the W-band millimeter wave (75–110 GHz). The W-band WG radiates a pulse signal, or a wavelet, whose full width at half maximum is less than 80 ps, which makes it possible to realize a 12.5-Gb/s ON/OFF keying transmitter. The WG...
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