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Saturday, April 18, 2020 | History

2 edition of Microprocessor controlled voltage source and waveform generator. found in the catalog.

Microprocessor controlled voltage source and waveform generator.

Mario Christfreid Heisig

Microprocessor controlled voltage source and waveform generator.

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  • 17 Currently reading

Published in Bradford .
Written in English

Edition Notes


ID Numbers
Open LibraryOL13978087M

The MCPHV Digitally Controlled Programmable Current Source Reference Design is used to evaluate Microchip’s MCPHV in a SEPIC power converter application. The MCPHV Digitally Controlled Programmable Current Source Reference Design is user programmable. Multiple user functions may be selected by re-compiling the source code.

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Microprocessor controlled voltage source and waveform generator. by Mario Christfreid Heisig Download PDF EPUB FB2

Arbitrary waveform DDS signal generator from MHSA series is a multi-functional signal generator with high precision and high performance. It adopts large scale of FPGA integrated circuits, high-speed MCU microprocessor and SMT in the inner circuit, which can greatly improve the anti-interference and lifetime of the instrument/5(21).

The paper presents an approach to design a space-based voltage regulator in which an 8-bit microprocessor is used as a controller. The proposed regulator meets.

The developments in Power Electronics and LSI technology have made the microprocessor-based adjustable speed ac motor drives become promising. This chapter is concerned with the principle, hardware and software implementations, and some processing techniques in inverter-driven ac motor systems which are controlled by : Min H.

Park. Waveform generators are used to test circuits by generating defined signals that are then fed into the circuit under analysis. You can have an arbitrary waveform generator (AWG) that outputs whatever waveform the user has defined, or you can have a function generator that outputs predefined signals like sine, square, etc.

During the negative half-cycle of the input waveform, diodes D 2 and D 4 conduct and charge capacitors C 1 and C 3 toward the peak voltage of V with indicated polarities. Note, however, that the diode pair that conducts during either the positive or negative half-cycle does not do so for the entire half-cycle.


for voltage-source inverters that run at an ultrasound. The waveform generator was developed and implemented using a Virtex II FPGA from Xilinx. An embedded microprocessor within the FPGA, MicroBlaze, in form of a soft processor core was used to control the system.

A user interface program running on the microprocessor was also developed. Testing of the whole system, both hardware and software, was. VCO (Voltage controlled oscillator) Voltage controlled oscillator is a type of oscillator where the frequency of the output oscillations can be varied by varying the amplitude of an Read More In Signal Generators.

InHonda developed the Microprocessor-controlled Sine Wave Inverter, allowing electricity with a waveform clean enough to power ordinary electric appliances, to be supplied according to the load. Honda continues to pursue the ideal safe-and-secure generator, tackling every issue that arises while meeting changing requirements with the times.

The multichannel, high voltage, computer controlled Waveform Generator WFG is an exceptional instrument designed primarily for experiments on addressing liquid crystal devices and is most suitable for all applications where synchronized trains of. The Controlled Voltage Source block converts the Simulink ® input signal into an equivalent voltage source.

The generated voltage is driven by the input signal of the block. You can initialize the Controlled Voltage Source block with a specific AC or DC voltage. If you want to start the simulation in steady state, the Simulink input must be. What is an oscillator circuit. Assume an electrical circuit produces the following waveform output (voltage or current output).

This output is a square wave. It can be considered to be a sequence of repeating the following wave at an interval of time period 4.

This circuit which is producing a waveform by repeating a wave Continue reading Voltage Controlled Oscillator – Working Principle. A power inverter, or inverter, is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC).

The input voltage, output voltage and frequency, and overall power handling depend on the design of the specific device or circuitry. The inverter does not produce any power; the power is provided by the DC source. A power inverter can be entirely electronic. Microcontroller Design for an Arbitrary Waveform Generator Octo by Robert Keim The availability of reasonably priced, high-speed digital-to-analog converters (DACs) opens the door to fairly straightforward circuits that can generate sine waves, triangle waves, ramp waveforms, and so : Robert Keim.

comes from a source of constant voltage and is suited to short-range or device level transmission. Alternating current (AC) power consists of a sinusoidal voltage source in which a continuously changing voltage (and current) can be used to employ magnetic components.

Long distance electrical. Hi guys. I wonder if there is a way to read the source code from a microprocessor. I have in my own a few microprocessors and I want to read them. They are from different developers.

I have microprocessors from NXP, Xilinx, Nuvoton and Atmel. I just want to know if. Description. The Controlled Voltage Source block represents an ideal voltage source that is powerful enough to maintain the specified voltage at its output regardless of the current flowing through the source. The output voltage is V = Vs, where Vs is the numerical value presented at.

A voltage source can be used instead of current sources. The voltage source is applied to a series of scaled resistors. The voltages at one end of the resistors are switched either ‘on or off’ as shown in Figure The ‘on’ voltages are summed.

The output is proportional to. Analog Instruments LCR-Q meter, True RMS meter, Vector voltmeter, RF power and voltage measurement, Electronic multimeter, Amplified DC meter, AC voltmeter using rectifiers, Vector impedance meter, Output power meter, Field strength meter, Automatic bridge transmitter, Analog Ph meter, Bolometer method for power l Instruments Microprocessor controlled 5/5(2).

Fig. shows a timer configured as an astable or multistable multivibrator [66].This circuit generates a stable train of pulses. It does so thanks to feedback—the timing capacitor is connected to the trigger. A trigger input causes C 1 to start to charge through R A + R B; when it reaches 2V CC /3, it triggers a discharge through R B, which continues until the voltage reaches V CC /3.

Controlled electrical drives can be regarded as the most flexible and efficient source of controlled mechanical power. Understanding and developing the controlled electrical drive systems require a of power electronics and microprocessor technology in the last three decades has propelled and the produced voltage waveform is.

Power Electronics for the Microprocessor Age begins with a general overview of the relationship between computers, power circuitry, and motors.

It then provides full chapter guidance on a.c.-to-d.c. converters, servo-amplifers, stepping-motor drives, and by:   Voltage controlled current source Input +/- 10V output +/- 50mA: General Electronics Chat: D: How to build the voltage controlled current source based on modified Hawland current pump with FET.

Homework Help: micro AC current generator and voltage controlled switch: Analog & Mixed-Signal Design: MEC 20 MICROPROCESSOR ENGINE/GENERATOR CONTROLLER PM Rev 11 /09/09 7 Thomson Technology Inc.

DC VOLTAGE INPUTS All DC voltage inputs to the MEC 20 are optically isolated and filtered for protection from noise spikes and transients Input wiring must be routed so that itFile Size: KB.

In Figure 5(b), an RC circuit produces the gating signal. The voltage across C lags the supply voltage by an amount that depends on the value of (R 1 + R 2) and C. Increasing R 2 increases the time it takes for the voltage V C to reach a level at which there is sufficient gate current to turn on the SCR.

A triangular waveform is obtained by passing the voltage waveform across the capacitor C1 through Buffer Amplifier 2 and obtained as output through pin 4.

The voltage waveform across the capacitor when passed through a Schmitt trigger, produces a square wave which is passed through the Buffer Amplifier 1 and obtained as output through pin 4. The waveform at the left represents the voltage that regulates the current through the diode.

The triangle wave (the 40Hz and the choice of triangle wave are arbitrary) is at 5V. It's connected to the op-amp through a voltage divider, and the pink resistor on the bottom right is chosen in coordination with the voltage going into the opamp.

within the controlled half or full cycle. Switching Device Voltage or Current Source Triac R C SCR Figure AN Relaxation Oscillator Thyristor Trigger Circuit Figure AN shows the capacitor voltage-time characteristic if the relaxation oscillator is to be operated from a pure DC source.

0 01   by AeroAssassin Septem @AeroAssassin. Welcome to CL. k is the 'gain' of the controlled source. It's V/V for a voltage controlled voltage source (VCVS); V/A (Ohms) for a current controlled voltage source (CCVS); A/A for a current controlled current source (CCCS) and A/V (Siemens) for a voltage controlled current source.

Voltage and Frequency Control for Island Operated Induction Generators voltage in the generator is not linear to the current any more and a stable operating point is obtained. If the capacitors are selected to compensate for the reactive power The speed of the generator is controlled instead of the electrical frequency.

This isCited by: I need to make a voltage controlled current source for nichrome wire as part of an experiment. It seems like I need a circuit which can translate a microcontroller's 0 5V range voltage to a 0 8A current. I mean a voltage controlled current source.

I can use a DC power supply which can supply this current. A voltage-controlled oscillator (VCO) is an electronic oscillator whose oscillation frequency is controlled by a voltage input.

The applied input voltage determines the instantaneous oscillation frequency. Consequently, a VCO can be used for frequency modulation (FM) or phase modulation (PM) by applying a modulating signal to the control input. A VCO is also an integral part of a phase-locked.

mec 2 microprocessor engine/generator controller pm rev 6 05/10/15 3 thomson technology contents 1. introduction 1 product revision history 1 general description 3 2. installation 4 general information 4 battery supply input 4 speed sensing input 5 dc voltage inputs 6 ac voltage input 6 ac current File Size: KB.

Purchase Practical Applications Circuits Handbook - 1st Edition. Print Book & E-Book. ISBN1-Hz to 1-Mhz Sine Wave Output Voltage-Controlled Oscillator Digitally Programmable Waveform Generator Voltage Reference 1 Book Edition: 1. It all depends on circuit design, for that you need to refer datasheet as it varies micro controller/processor to micro controller/processor ( v to v) even may be lesser than that, there are plenty low-power micro controller /processor ava.

Voltage-controlled voltage source (VCVS) This is a voltage source whose value is controlled by another voltage elsewhere in the circuit.

Its output will typically be given as V o = A V c {\displaystyle V_{o}=AV_{c}}, where A is a gain term and V c is a control voltage. The load voltage and current waveforms are shown for continuous and discontinuous load current in Fig. 8 and 9 respectively. Figure 8. Input (a) and output (b) voltage, and current (c) waveforms for a cycloconverter with discontinuous current In this case, the output frequency is.

I don't know that I'd trust that thing: at one point the document states, "Any function or arbitrary waveform generator with low output impedance and output voltage up to ±10 V can be used as an input device." Yet just a few paragraphs later it cautions, "The amplitude of the input signal should normally be kept within ±4 V.".

For a Three pulse midpoint converter, W u is % for α = 0 and % for α = 90°. As has already been discussed, the inductance L d smooths our the ripple content in the load current and helps to make it continuous.

Under ideal smoothing, the load voltage is dropped across the resistance and the ripple voltage across L d. Waveform generator based on computer-controlled switching power supplies Abstract: This paper describes design and implementation of a waveform generator.

The generator can be controlled using an embedded computer, performing many different voltage patterns up to V. Generally all that’s needed to produce a microprocessor clock waveform is a crystal and two ceramic capacitors of values ranging between 15 to 33pF as shown below.

Microprocessor Oscillator Most microprocessors, micro-controllers and PIC’s have two oscillator pins labelled OSC1 and OSC2 to connect to an external quartz crystal circuit.the high voltage generator (step-up transformer, rectification circuit) Most timers are electronic and are controlled by a microprocessor.

Operate on alternating current only, so voltage waveform is sinusoidal on both sides, only thing that differs is their amplitude.The Voltage-Controlled Voltage Source block models a linear voltage-controlled voltage source, described with the following equation.