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This paper presents a reconfigurable decimation filter architecture for reconfigurable multiband GNSS receivers. The proposed filter architecture is designed for a reconfigurable GNSS subsampling receiver, where the sampling process is performed at the Analog to Digital Converter. As the selected sampling rates are much higher than the Nyquist rate, a decimation stage is required to speed up GNSS...
Varactor-based tunable bandpass filters are challenging solutions for next generation mobile phones that allow using one RF front-end for multiple applications. However, these solutions suffer from varactors non-linear effects that may affect signal quality and may introduce important distortions. This paper presents a thorough study of varactors nonlinear effects and some solutions for their cancellation...
The paper is presenting two bandpass filters based on the SIW technique design operating in two frequency bands: C and X. The first filter used in C-band has a fractional bandwidth of 3.8 % centered at 6 GHz and insertion loss of 0.9 dB. The second in the frequency band 8–12.5 (X-band) has a fractional bandwidth 2.7 % centered at the midband frequency 9.27 GHz with insertion loss of 0.84 dB and an...
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