constant current

Fuzzy control technology is adopted to realize constant current control, and a simulation research of the controlling process is also given.

Each of these BiCMOS devices includes a CMOS shift register, accompanying data latches, and NPN constant-current sink drivers.

The term constant-current sink is sometimes used for sources fed from a negative voltage supply.

The main function of White LED driver is to provide constant current, and now it has become the star of power management field.

By the special principle of electrical controller deficient equipment with constant current and voltage can be adjusted in any time.

If a constant current is applied to the capacitor, the voltage across the capacitor will rise at a constant rate.

It has excellent reliability due to the constant current protecting device.

The simplest voltage regulator, is using diode, a transistor, stabilizing diode and can build a more simple constant-current source.

Field power supply with constant current and constant voltage could easily control the intensity of magnetic and rate of arc rotation.

Electronic load can be set for constant current, constant resistance and constant voltage operation.

The relationship between the control voltage and the current output by the constant-current source may shift.

In this paper, the aim is to develop the charging supply with the combination of constant-current and voltage-stabilized technique.

With this formula, the constant-current source can be extended to build all can provide the "voltage references in the device" .

Over-current protection. The constant current charging mode avoids the influence of current fluctuation to battery's performance and safety.

The two adjustable outputs can be configured for constant voltage or constant current.

Constant current output characteristics, deep melting penetration, even welding pool, and excellent weld.

While two contacts supply a constant current, the other two contacts measure the voltage drop across a portion of the sample.

Constant current regulator (CCR) is to provide visual guidance for aircraft taking off and landing.

Using the soluble iron plate as electrode plate, the treatment of electroplating synthetical wastewater at a constant current was studied.

And this paper analyzes the characteristic of white LED, designs constant-current drive circuit, so that guaranteeing the quality of light.

This paper studied the design and implementation of large pulse constant current source system required by engine ignition.

The constant current coulometry was established for determination of aromatic primary amine drugs.

In view of the characteristic of aviation battery, a constant current charge and discharge system for aviation storage battery is designed.

A built-in constant-current source, formed by VS and R, forces a known current through the unknown resistance (RX).

The design and implementation of large pulse constant current source system required by engine ignition are studied.

This circuit adopts the approach of capacitor step-down, which provides a constant current for the whole circuit.

The idea behind the constant current load is that with a constant current load, the valve is almost perfectly linear (near ZERO distortion).

The constant current or potential step technique was applied to the first electrolysis, and small AuNPs were produced as seeds.

A hydraulic system composed of constant-current network and switched hydraulic source is disclosed.

Driving LEDs with constant current ensures safe operation with maximum possible light output .

In accordance with the characteristics of LED lamps, we design a driving circuit with constant-current.

Finally, we set out the research status and development trend of constant-current power.

The constant current circuit based on the operational amplifier is employed as the bias circuit for the Pirani sensor.

The pulse constant current is achieved by adding the error feedback signal to the driving voltage.

Constant-current-type inverter power overcome this shortcoming.

The van der Pauw technique for measuring resistivity also employs a constant- current method.

A novel method to drive magnetron by constant voltage-constant current technique is proposed.

Then the importance and the implementation of constant current source were described in detail.

Each BiCMOS device includes an 8-bit CMOS shift register, accompanying data latches, and eight NPN constant-current sink drivers.

The hardwares involved in the temperature collecting program are mainly collecting cards, amplifiers, Constant Current Source, Keithley.

These are able to form effective constant-current source, and is more suitable for large current special occasions.

This CMOS device includes an input shift register , accompanying data latches, and 16 MOS constant current sink drivers .

one using a tube constant current source, and one using a solid state implementation.

And the calculating methods of constant current and dynamic characters was also deaIt with.

The bqTINY-II charges the battery in three phases: conditioning, constant current, and constant voltage.

Built-in constant-current driving power, ensure lamps and lanterns is stable.

This paper introduces the main structure of system, principle, PWM constant current charge and SPWM inverter control Algorithm.

Set electricity stage as constant current source loading.

The constant current source is used to supply the high stability and high precision pre-pump current.

When the small current is detected by the constant current detecting circuit 5, a signal is supplied to the control circuit 4.

Finally, this paper explains the design of the constant current source and the application requirements of AD7715 and HD7279.

Besides these, the sorts and structure of the constant-current power are also reviewed.

the driving control system of step motor of switch-mode and constant current was designed.

The constant current source is realized by inverter power.

The TPS61042 is a high frequency boost converter with constant current output that drives white LEDs or similar.

In order to make sure the laser's driven current more stable, we design a constant current source with the deep negative feedback circuit.

Starting by constant current with pulse.

Constant Current Source Application on Raw Mill E. P.

The constant current detecting circuit 5 detects a small current.

Starting by constant current with step.

The A6280 is a 3-channel constant current LED driver that has a wide range of output currents.

This paper deals with the development of the microcomputer constant current control system of the spot welding inverter.

LED driver based on adaptive charge pump with constant current is designed in this thesis.

anew high efficiency constant current driver. Wide range of input voltage: AC85-265V.

It is based on the principal of mirror constant current source.

Set electricity stage loading also is constant current source. It can make signal voltage amplifier to large enough.

Study of the Sensitivity of Bridge Temperature Measure System Supplied by Constant Current Source

Design of a constant current power supply equipment used in measurement

Study of a Voltage Controlled Constant-current Power

Sine Sweeping Constant Current Exciting for Geophone Characteristic Parameter Measurement and Identification

An investigation of high temperature and constant current electromigration reliability assessment technique

Lamp Transformers - Incandescent Filament Lamp Transformers - Constant-Current (Series) Supply Type

Study of a solar constant current controller

Constant current control system for backup batteries of the distributing electric power automation system

Comparing the traditional constant voltage changing with the L-C resonance constant current changing, the charging module is designed;

Design of a digital constant-current source for driving high voltage floated ground load

Adjustment Principle and Range of Rectifier Transformer's Constant Current Control System for Aluminum Electrolysis

Electrical installations for lighting and beaconing of aerodromes - Constant current regulators

Op-Amps direct coupling differential circuit constant current source complicated circuit active load composite circuit

Study of constant-current source for measuring DCR of large electric power equipment

Influence of constant-current corona charging on electret state of porous PTFE film electret

Photometric Determination of Phosphorus in Steel with Sample Dissolution by Constant Current Electrolysis

Electret Condenser Microphone and Its Constant Current Corona Charing

Principle and characteristic of constant voltage charge, constant current charge, pulse quick charge were analyzed;

Design of a Novel Digital Bidirectional Constant Current Source

Research on the Construction of Voltage Controlled Constant-current Sources with Operational Amplifiers

Measuring harness contact resistance by a close-loop controlled constant current power supply

Simulation Research on Soft Starting of Asynchronous Motor at Constant Current Based on an Adaptive Single Neuron PID Control Algorithm

Design of a High Precision Digital Constant-current Source for improving the Stability of LED

The characteristics and function contrast of voltage sweep circuit with constant current transistor charge mode

The Realizes of Single Chip Microcomputer Control Stepping Motor Chopping Wave Constant Current Division Driver

The Application of Programmable Isolated Constant Current Power Supply in Instrumentation

Constant-Current High-Voltage DC Power Supply Used in Chemical Production

Design of constant current control of microcomputer used in spot welding

Analysis of voltage controlled constant-current sources on operational amplifiers

Design of Constant Current Source in Semiconductor Laser Reliability Evaluation System

The Principle and Design of Power Supply of Light Adjustment with Constant Current

Designing a Driver of Constant Current and Chopped Mode for a Stepping Motor

Electric Resistance Measurement Using Constant-current Source

Study on the Constant Current Generator Control of a Series Hybrid Electric Vehicle

The constant-current control system for the power of CVD diamond film

Development of pulse therapeutic apparatus with biphasic constant current and measured electrode impedance

Full ranges of stabilivolt and constant-current are adjustable, with the output wave shape of pulse nature;

Discuss of Two Implementations of Constant-Current Power

Numerical controlled high precision constant-current source

Measurement of Nonlinear Resistance by Unbalanced DC Bridge Using Constant Current

Design of Float Voltage and Constant Current Diode IC and Its Application

Artful design of a constant current source circuit

Control of Constant-Current-Constant-Voltage in Plasma MAO Positive-Negative Pulsed Power Supply

Determination of Aromatic Primary Amine Drugs by Constant Current Coulometry

The Unified Resonant Circuit Model of Capacitor-Charging Constant-Current Power Supply

The Design of Electrostatic Precipitator Constant Current Power Supply

Preparation of SnS film by constant current cathodic electrodeposition

Design and Application of Constant-current Triangular-wave Signal Generator

Hybrid integrated design of the more LED chips with gather constant current diode IC circuit

Automatic voltage regulator for constant current charging

The Application of Digital Control Constant Current Device in Driving Stepping Motor

Constant Current Cut-wave Divided Driving System of Stepping Motor Controlled by Single-chip Microcomputer

The Measurement of Constant-current Fuzzy New Type of Resistance Spot Welding Controller

Nonlinear Behavior of Nerve Fibers with Constant Current Stimulation

Chaotic Measured Circuit of Constant Current and Simulation Analysis

Research on a Novel Battery Constant Current Discharging Device

Constant Current Driver for Semiconductor Lighting

Designing of a Step-motor Controller Based on ISP Technique and Constant-current Chopper

Numerical simulation of eliminating PSTM pseudo-image in constant-height and constant-current scanning imaging mode

Design of Driving System of Five-Phase Stepping Motor with All-Digital Constant-Current Control

Application of fuzzy control in constant -current soft starting of induction motor

Analysis on the Constant Current Characteristics of Vehicle Turning Oil Pump

Sectional Constant Current Thermal Mass Flowmeter

A Discussion of Constant Current Characteristics of Current Source

Study on the multi-stage constant current charging method for small-sized VRLA batteries

An Auto-testing System Design of High Precision Constant Current Source Products

magnetic moment of a constant current

Design and test about tandem and adjustable constant current tube driving laser

Regulation of constant current transformer

Coulometric analysis with constant current

The design research on the constant current LDO driver of the white light LED

Application and Research of DC Transformer in Constant Current Source

The research and aplication of high stability constant current source

High-Efficiency Constant-Current Charger with Low Voltage Output

Measurement of capacitance by pulse width method and the choice of constant-current source

Design of a new constant current power supply

measuring bridge supplied by constant current source;

ECU and Constant Current Source Design for Magnetorhelogical Semi-active Suspension System

Study on the multi-stage constant current charging method for VRLA battery system

The Working Situation of Constant Current Tube Scanning Circuit

A Method for Constant Current Control Suitable for Multi-Wave and Half-Wave Spot Welding

Nerve stimulator with single-phase constant-current pulse

Low Cost Automatic Detecting of Weld Pool Image in Constant Current TIG Welding

Design of control systemof aided-flight intelligent constant current light adjuster in the airport

constant voltage constant current charge

The constant current source of thyristor commutation supply voltage

Design of Practical Constant Current Source Circuit

Design of PWM Constant Current Division Drive Circuit of Stepper Motor

Improvement of Scanning Circuit of Constant-Current Tube

A6278: Allegro Announces a New Eight Channel Constant-Current Latched LED Driver with Open LED Detection,

Constant current starting of locomotive

HV DC Constant-current Source for Testing Arrester Varistor

A light constant current charging power supply of pulse solid laser

Development of constant current controlled soft-switch power for spot welding

The Application and Development of High Voltage Constant-Current Power Supply

Research on high precision multichannel thermoscope based on constant current source

Design and simulating of inverter spot-welding power supply with constant current based on fuzzy neural network

Combined type of precise constant-current source

The Constant Current Control System of Spot Welding by Microcomputer

A Design of Constant Current LED Desk Lamp Controlled by Touching

Constant Voltage or Constant Current Drive

The Design of Constant-current Drive Circuit for LED Display

Study on Storage Battery Constant Current Discharging Device Based on Three-Phase PWM Converter

Research on a constant-current drive in step motor by PWM

The Development of the Constant Current Source for a Four-point Probe Instrument

Development of Constant Current Controller with Dual-CPU for Spot Welding

Development of constant current controller of double-CPU for spot welding

Fuzzy control in constant current system of DC propulsion motor

Study on Standard Constant Current Hole

Designs of constant current source

Development of Precise DC Constant Current Power Supply

Study on high voltage and constant current charging power supply based on soft switching

Constant current driving for white LED

A constant current source with high precision based on adaptive inverse control

High Accuracy and Long Distance Scale Based on Constant Current Source Exciting

A6279: Allegro Announces a New 16-Bit Serial-Input, Constant-Current Latched LED Driver with Open LED Detection

Study and research on constant-current controller of spot welding machine based on VCS

Design of AC Constant Current Source Based on Battery Performance Testing

Pulse constant-current source based on capacitor discharge

The output with constant current

Constant-current Soft Starting of Induction Motor Based on Fuzzy Control

High-voltage AC Motor Soft Starter based on the Constant Current Fuzzy Control

The development of high accuracy constant voltage and constant current programmable power supply

Study on control system of spot welding constant current based on fuzzy logic arithmetic;

Design of Constant Current Cut Wave System Based on Double Power Driving

Figure2 Circuit of sine AC constant current source

Constant-current control system of resistance spot welding based on fuzzy logic

Constant Current Charging Power Supply Design Based on DSP

A boot strap driving method based on the constant current resource

6275: 8-Bit Serial-Input, Constant-Current Latched LED Driver FAQ