This paper describes the design of a bandgap reference, implemented in 0.50 μm CMOS technology. The circuit generates a reference voltage of 1.2218V. It can operate between 20oC & 70o C. Total variation of reference voltage within the temperature range is 2.6mV which is 0.213% of the reference voltage. This circuit works in a current feedback mode, and it generates its own reference current, re...

A high-linearity and high-speed current-mode sampleand-hold circuit is designed and simulated using a 0.25μm CMOS technology. This circuit design is based on low voltage and it utilizes a fully differential circuit. Due to the use of only two switches the switch related noise has been reduced. Signal dependent -error is completely eliminated by a new zero voltage switching technique. The circui...

The purpose of this project is to lower the power consumption by reducing the operating voltage of a 32-bit adder, implemented with TSMC035 technology. The delay and power dissipation of the circuit at different voltages were studied and based on the power delay product an optimal voltage of operation was chosen. A level converter circuit was designed, in order to make the circuit compatible wi...

This paper introduces the simple method of the mathematical modeling and simulation of current-voltage characteristics for photovoltaic panel. The aim of this modeling is to simply the nonlinear I-V model of photovoltaic panel to easily apply the model to the circuit simulators such as SPICE. So this paper is finding the parameters for the nonlinear I-V equations based on only the data such as ...

This paper presents a voltage based CMOS winner-take-all (WTA) circuit for analog voltage signals. The WTA circuit is based on a winner follower and wide-range transconductance amplifiers. The voltage based design uses capacitive storage for low power consumption. The circuit is modularized and its layout size is a linear function of the number of inputs. This makes the circuit easy to be imple...

This paper presents a second order voltage mode quadrature sinusoidal oscillator using a recently reported active building block, namely the differential voltage current controlled conveyor transconductance amplifier. The circuit proposed here employs single differential voltage current controlled conveyor transconductance amplifier, two grounded resistors and two grounded capacitors. The use o...

A new voltage-programmed pixel circuit using soluble-processed organic thin film transistors (OTFTs) for an active matrix organic light emitting diode (AMOLED) is proposed. The proposed circuit is composed of four switching TFTs, one driving TFT and one storage capacitor, which is simulated by HSPICE. The proposed circuit can compensate for the non-uniformity of OLED current caused by the thres...

Designed a Low-Dropout (LDO) Regulator, analyzed the circuit structure and the sub-circuit design With On-chip Frequency Compensation. Presented a novel internal frequency compensation circuit, fulfilled the use of low equivalent series resistance (ESR) load capacitor, and an accurate over-current protection circuit is realized, thus improves transient response and reduce the cost greatly. Test...

A low-voltage differential version of a high performance voltage follower is presented. The proposed circuit is very compact, and symmetric with respect to the input devices. Both differential input devices are enhanced by local shunt feedback, increasing the gain and, thus, reducing the output resistance for higher precision. The circuit has proved useful as a winner-take-all (WTA) circuit. It...

The paper presents a new voltage-mode universal filter using a differential voltage current conveyor transconductance amplifier (DVCCTA). It has three inputs and single output. The proposed circuit can simultaneously realize low-pass, band-pass, and high pass, band reject and all pass filter functions without changing the circuit topology and passive elements. The circuit exhibits a good freque...