Switched-capacitor Filters Using Fdnr-like Super Capacitances Se So
نویسنده
چکیده
Ahtroct-Switched-capacitor networks have become very attractive for the MOS/LSI realization of analog sampled-data filters. The work presented in this paper shows that the I/p transformation where p = (1 -z -‘)/T can be performed for such filters similarly to.Bruton’s l/s transformation for analog continuous networks. An analog sampled-data filter based on this principle has been designed and implemented using discrete components.
منابع مشابه
Switched Capacitor Filter
A Switched Capacitor circuit is an electronic circuit element used for discrete time signal processing. It works by moving charges into and out of capacitors when switches are opened and closed. Usually, nonoverlapping signals are used to control the switches, so that not all switches are closed simultaneously. Filters implemented with these elements are termed switched capacitor filters. Unlik...
متن کاملSwitched Capacitor Fdnr Realized with One Unity Gain Buffer and Three Phases Control Clock
A switched capacitor circuit which simulates Frequency Dependant Negative Resistor is proposed. The circuit is controlled by three phases clock and needs one unity gain buffer. A comparison among SC FDNRs in other references is shown. SWITCAP simulation of SC filter using these circuits are also shown. Key-Words; Switched-Capacitor(SC) Frequency Dependant Negative Resistor(FDNR) Filter immittan...
متن کاملGeneration of Grounded capacitor ICCII-Based Band-Pass Filters
A new current-mode band-pass filter using the inverting second-generation current conveyor (ICCII) is introduced. The circuit is generated from a frequency-dependent negative resistance (FDNR)-C circuit realized using ICCII+. It is observed that a voltagemode band-pass filter using two CCII+ has similar transfer function to this current-mode filter. The adjoint network theorem is used to demons...
متن کاملNovel Floating General Element Simulators Using CBTA
In this study, a novel floating frequency dependent negative resistor (FDNR), floating inductor, floating capacitor and floating resistor simulator circuit employing two CBTAs and three passive components is proposed. The presented circuit can realize floating FDNR, inductor, capacitor or resistor depending on the passive component selection. Since the passive elements are all grounded, this ci...
متن کاملAnalysis of Phase Noise Degradation Considering Switch Transistor Capacitances for CMOS Voltage Controlled Oscillators
In this paper we present a study on the design optimization of voltage-controlled oscillators. The phase noise of LC-type oscillators is basically limited by the quality factor of inductors. It has been experimentally shown that higher-Q inductors can be achieved at higher frequencies while the oscillation frequency is limited by parasitic capacitances. In this paper, the minimum transistor siz...
متن کامل