This paper proposes a low voltage CMOS nano-ampere current reference circuit and presents its performance with circuit simulations in 180-nm technology. The proposed circuit consists of biasvoltage, current-source and offset-voltage sub-circuits with most of MOSFETs operating in subthreshold region. Simulation results show that the circuit generates a stable reference current of 110-nA in suppl...

This work presents the design of CMOS Combined Reference Circuit with Supply and Temperature compensation using 0.18 μm UMC technology. It consists of a start-up circuit, a current generator, and a voltage generator. Many current reference and voltage reference circuits have been reported. The references are used individually for generating fixed value of current or voltage for the particular u...

This paper reports a voltage reference circuit in standard CMOS process. It exhibits excellent supply independency for a wide input voltage range, which is of great importance in telemetry-powered systems. This circuit is based on the well-known VGS-reference supply-independent current reference circuit, but it is designed to serve as a voltage reference. While the reference current generated b...

A circuit for generating reference voltages for an A/D converter is presented. The circuit consisting of a bandgap reference and a driver circuit is capable of operating on sub 1-volt supply voltages. The circuit is designed using a standard 0.5 m CMOS technology. Simulations show maximum 0.24% variation in the generated reference voltage over a temperature range from -20 C to 100C and a supply...

A circuit for generating reference voltages for an A D converter is presented. The circuit consisting of a bandgap reference and a driver circuit is capable of operating on sub 1-volt supply voltages. The circuit is designed using a standard 0.5 p m CMOS technology. Simulations show maximum 0.24% variation in the generated reference voltage over a temperature range from -20 "C to I00"C and a su...

In Analog circuit design field, current reference circuit is mostly used for constant current supply to the circuits, so that their function runs properly. This work gives a circuit that operates with minimum operating voltage and current, CMOS current generator circuit and presents its performance with circuit simulation in 180nm UMC CMOS technology. The designed circuit has four sub parts sta...

In the current paper, an improvement of piecewise curvature-corrected CMOS bandgap reference (BGR) circuit is proposed. The circuit utilizes piecewise nonlinear curvature-corrected current (PNCCC) in a conventional BGR with a current control circuit, which compensates for the voltage reference at a higher temperature range. The current control circuit (CCC) is used to reduce the total current a...

A low-power CMOS voltage reference was developed using a 0.35 m standard CMOS process technology. The device consists of MOSFET circuits operated in the subthreshold region and uses no resistors. It generates two voltages having opposite temperature coefficients and adds them to produce an output voltage with a near-zero temperature coefficient. The resulting voltage is equal to the extrapolate...

The basic idea of the circuit fault diagnosis method based on logic is to establish a computer expert database system first, connect GPIB interface card, and then each intelligent instrument through standard bus. Through connection tested object adapter object, test platform are formed. Based traditional simulation model, this paper improves switching power supply, designs model simulation, dea...