نتایج جستجو برای: mode circuit
تعداد نتایج: 330959 فیلتر نتایج به سال:
A digital CMOS buffer circuit with a voltage transfer characteristic (VTC) with low threshold voltage detection, hysteresis, and high noise immunity is presented. The circuit is capable of restoring slow transition times and distorted input signals with a minimum delay penalty, offering at the same time high noise immunity to glitches induced either through capacitive coupling or from the power...
We have developed a compact CMOS motiondetection circuit based on a direction-selective neuralnetwork architecture. The circuit consists of asynchronous current-mode digital subcircuits for edge detection and subthreshold analog subcircuits for motiondetection. SPICE and numerical simulations of the network show that the circuit can successfully extract edge lines from incident images and compu...
A new mixed-mode second order quadrature oscillator using two differential voltage current conveyors as active elements, two grounded capacitors and two grounded resistors each is proposed. The circuit provides several current and voltage outputs simultaneously. The circuit has low active and passive sensitivities. Non-ideal and parasitic study of the proposed circuit is also included. PSPICE s...
This paper presents a novel methodology for designing reconfigurable continuous-time DS modulator topologies while considering circuit-level implementation constraints. Topologies are optimized for minimizing their structural complexity, maximizing their robustness with respect to circuit nonidealities, and maximizing the feasibility of their circuit-level implementation. A case study for a thr...
A current mode sample and hold circuit is presented in this paper at 180nm technology. The major concerns of VLSI are area, power, delay and speed. Hence, we have used a MOSFET in triode region in the proposed architecture for voltage to current conversion instead of a resistor being used in previously proposed circuit. The proposed circuit achieves high sampling frequency and with more accurac...
This paper introduce a new current mode Schmitt trigger circuit using a single Current Controlled Differential Difference Current Conveyor Transconductance Amplifier (CCDDCCTA). The circuit is designed using a single CCDDCCTA without any passive component. The proposed Schmitt trigger circuit is designed at a supply voltage of ±1.25V, bias voltage of -0.8V using PSPICE and the model parameter o...
In this paper, we propose the use of second-order slope compensation for a current-mode PWM buck converter. First, the current feedback loop in a current-mode PWM buck converter using a conventional slope compensation is analyzed by the small-signal transfer function. It becomes clear that the stability and frequency bandwidth of the current feedback loop is affected by the external input volta...
In a modern wireless communication system, signal amplification is critical for overcoming losses during multiple data transformations/processes and long-distance transmission. Common mode and differential mode are two fundamental amplification mechanisms, and they utilize totally different circuit configurations. In this paper, we report a new type of dual-gate graphene ambipolar device with c...
With the advent of deep sub-micron circuit technology, the ratio of static-to-dynamic power in on-chip memories has become an increasingly important issue. At the circuit level, designers propose low-leakage SRAM operation modes (i.e., sleep mode or standby mode) and at architecture level, there are increasing interests in how to efficiently integrate such features into the design. In this pape...
In this paper, a high performance current-mode instrumentation amplifier has been proposed for low noise, low power, high CMRR and adjustable gain with an external resistor for various biomedical signal processing. The portable biomedical instrumentation has become an important part of diagnostic and treatment instrumentation, including telemedicine applications. The low voltage and low-power d...
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