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Abstract-Design of high-performance continuous- time filter (CTF) for analogue signal processing is presented in this paper. To demonstrate of using a novel voltage-mode multiple-loop feedback (MLF) approach for CTF design, a 5th-order elliptic lowpass filter (LPF) is implemented in a standard 0.18-µm CMOS technology. The LPF is based on an inverse-follow-the-leader feedback structure with an input...
This paper presents a method of designing wavelet filters for high-frequency real-time applications, in which the Gm-C technique and current-mode follow-the-leader multiple loop feedback structure are employed. The Marr wavelet is utilized as an example to elaborate the design procedure. Using TSMC 0.18µm CMOS process, the center frequency of the Marr wavelet filter can be tuned from 61.1MHz to 127MHz...
A 400MHz CMOS seventh-order linear phase gm-C filter based on current-mode (CM) follow-the-leader-feedback (FLF) structure is realized. The filter is implemented using a fully-differential linear operational transconductance amplifier (OTA) based on source degeneration topology. PSpice simulations in a standard TSMC 0.18mum CMOS process and with 2.5V power supply have shown that the cut-off frequency...
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