![]() ![]() It delivers more than 117% larger linear operational range and offers larger performance stability than the existing DDCCTA circuit. The proposed DDCCTA operates over a bandwidth of 500 MHz. Hence, a new DDCCTA circuit alleviating these shortfalls is proposed using only two variants of MOS parameters. However, the existing DDCCTA circuit suffers from a current error, low tolerance to bias voltage deviation, and requirement of additional circuit for bias current. Compared to the NMC amplifier, one of the most well-known conventional MSAs, the proposed ESMS amplifier boosted the gain-bandwidth by 55.32 times and improved the average slew rate by 1.55 times.ĭifferential difference current conveyor transconductance amplifier (DDCCTA) is an important building block for current mode circuits. The results of the experiment showed that when driving a 5-pF/1-kΩ load, the proposed ESMS amplifier achieved 105.5 dB DC gain, 231.77 MHz gain-bandwidth, and 13.25 V/μs average slew rate. To test the gain-bandwidth and slew rate characteristics, the proposed ESMS amplifier was simulated by using a TSMC 0.18-μm CMOS process standard technology with a 1.8 V power supply. Thus, the total DC gain and gain-bandwidth are improved. ![]() Secondly, as the signal goes to the consecutive stage, low and medium frequency signals go through to the direct-coupled high-gain block (HGB), and the high-frequency signal goes to the high-speed block (HSB). Firstly, when an input signal is feeding into the first stage, the RFC amplifier along with the shunt current source and the current mirrors, play an important role to enhance the slew rate. Briefly, the circuitry mechanism of the ESMS amplifier demonstrates two key functions. The scheme of the proposed ESMS includes a recycling frequency cascade (RFC) amplifier with a shunt current source and high-speed current mirrors, a high-speed block (HSB), and a high-gain block (HGB). To solve this issue, a novel enhanced scheme of multi-stage (ESMS) amplifier is proposed by this study. These specifications are not satisfied by most operational amplifier (OPA) related circuit designers. With the existing circuit topologies, the conventional multi-stage amplifiers (MSA) can only achieve low gain-bandwidths (<5 MHz) and low slew rates (<10 V/μs). In particular, the center of antisymmetry for the degree of periodicity is determined. Quantitative characteristics are suggested, which can be useful for the future applications of the results. Discussions were undertaken to provide additional light on the relation of the obtained results with practical and theoretical potentials of neuroscience. Examples of the model with Poisson stable rates, inputs and outputs confirm the feasibility of theoretical results. Numerical simulations of Poisson stable outputs as well as inputs are provided. Sufficient conditions for the existence of a Poisson stable solution and its asymptotic stability were obtained. A new efficient technique for checking the recurrence, the method of included intervals, is applied. The rates and inputs are synchronized to obtain Poisson stable outputs. The inputs are Poisson stable to take into account the more sophisticated environment of the networks. The first component guarantees the Poisson stability of the dynamics, and the second one causes irregular oscillations. A new model is considered with compartmental passive decay rates which consist of periodic and Poisson stable components. Shunting inhibitory cellular neural networks with continuous time-varying rates and inputs are the focus of this research. Definitions of non-periodic compartmental functions are provided as suggestions for the research in the future. Characteristics are introduced to evaluate contributions of periodic and unpredictable components to the dynamics, and they are clearly illustrated in graphs of the functions. Algorithms have been created, and they are both deterministic and random. In the present study, we met the challenges for unpredictability by considering functions of two variables on diagonals. Obviously, theoretical and application merits of functions increase if one provides rigorously approved efficient methods of construction of concrete examples, as well as their numerical simulations. The research has been performed in several papers and books. Recently, we have added the unpredictable functions to the family. They are fundamental in theoretical and application senses, and they admit a famous history. There is a huge family of recurrent functions, which starts with equilibria and ends with Poisson stable functions. ![]()
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