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A 4th order Chebyshev complex filter with stop band zeros at the DC point for low-IF receivers' applications using 0.18μm CMOS technology is proposed in this paper. Based on capacitor-OTA integrators, the designed ladder filter uses resistors instead of capacitors to realize the transmission zeros. The complex filter has a 0 to 48dB tunable gain (6dB per step) and over 65dB DC-offset rejection. A...
A 3rd order complex band-pass filter (BPF) with auto-tuning architecture is proposed in this paper. It is implemented in 0.18 ??m standard CMOS technology. The complex filter is centered at 4.092 MHz with bandwidth of 2.4 MHz. The in-band 3rd order harmonic input intercept point (IIP3) is larger than 16.2 dBm, with 50 ?? as the source impedance. The input referred noise is about 80 uVrms. The RC tuning...
A 3rd order complex band-pass filter (BPF) with auto-tuning architecture is proposed in this paper. It is implemented in 0.18 ??m standard CMOS technology. The complex filter is centered at 4.092 MHz with bandwidth of 2.4 MHz. The in-band 3rd order harmonic input intercept point (IIP3) is larger than 19 dBm, with 50 ?? as the source impedance. The input referred noise is about 80 ??Vrms. The RC tuning...
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