TND6041 - DC Motor Driver Fundamentals
... motors have both advantages and disadvantages. Among the advantages are: • Position and speed are subject to open-loop control; • They are easily controllable by a digital signal from an ...
... motors have both advantages and disadvantages. Among the advantages are: • Position and speed are subject to open-loop control; • They are easily controllable by a digital signal from an ...
CS5124DEMO/D Demonstration Note for CS5124 48 V to 5.0 V,
... ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any partic ...
... ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any partic ...
Switched-Mode Parallel-Circuit Class E Tuned Power Amplifiers
... The switched-mode Class E tuned power amplifiers with a shunt capacitance have found widespread application due to their design simplicity and high efficiency operation [1]. Such a circuit configuration consists of the shunt capacitance, series inductance, RF choke to provide the connection to the D ...
... The switched-mode Class E tuned power amplifiers with a shunt capacitance have found widespread application due to their design simplicity and high efficiency operation [1]. Such a circuit configuration consists of the shunt capacitance, series inductance, RF choke to provide the connection to the D ...
IDA 200 - Maxtech
... measurements caused by mains frequency interference from adjacent HV lines in the substation. In order to bring down resulting errors, a relatively high voltage has been required for the diagnosis. With the Insulation Diagnostics System IDA 200, Programma has chosen a different path. IDA 200 measure ...
... measurements caused by mains frequency interference from adjacent HV lines in the substation. In order to bring down resulting errors, a relatively high voltage has been required for the diagnosis. With the Insulation Diagnostics System IDA 200, Programma has chosen a different path. IDA 200 measure ...
MAX745 Switch-Mode Lithium-Ion Battery-Charger General Description
... current-mode, PWM DC/DC converter controller. This controller drives two external N-channel MOSFETs, which control power from the input source. The controller sets the switched voltages pulse width so that it supplies the desired voltage or current to the battery. Total component cost is reduced by ...
... current-mode, PWM DC/DC converter controller. This controller drives two external N-channel MOSFETs, which control power from the input source. The controller sets the switched voltages pulse width so that it supplies the desired voltage or current to the battery. Total component cost is reduced by ...
International Journal of Scientific Engineering and
... the utility or ac system voltage. The maximum compensating current of the SVC decreases linearly with the ac system voltage end the maximum var output decreases with the square of the voltage. This implies that for the same dynamic performance, a higher rating SVC is required when compared to that o ...
... the utility or ac system voltage. The maximum compensating current of the SVC decreases linearly with the ac system voltage end the maximum var output decreases with the square of the voltage. This implies that for the same dynamic performance, a higher rating SVC is required when compared to that o ...
DS1225AB/AD 64k Nonvolatile SRAM FEATURES
... state. 3. tWP is specified as the logical AND of CE and WE . tWP is measured from the latter of CE or WE going low to the earlier of CE or WE going high. 4. tDS are measured from the earlier of CE or WE going high. 5. These parameters are sampled with a 5 pF load and are not 100% tested. 6. If the C ...
... state. 3. tWP is specified as the logical AND of CE and WE . tWP is measured from the latter of CE or WE going low to the earlier of CE or WE going high. 4. tDS are measured from the earlier of CE or WE going high. 5. These parameters are sampled with a 5 pF load and are not 100% tested. 6. If the C ...
RF Switches Guide Signals In Smart Phones
... level of RF signals it has to handle. The objective is to have high enough linearity so there is no signal distortion added by the switch. Band switches are used for both pre-PA and post-PA as bands are added or combined in multiband platforms. The choice of pHEMT or SOI technology is usually determ ...
... level of RF signals it has to handle. The objective is to have high enough linearity so there is no signal distortion added by the switch. Band switches are used for both pre-PA and post-PA as bands are added or combined in multiband platforms. The choice of pHEMT or SOI technology is usually determ ...
Evaluates: MAX1584/MAX1585 MAX1585 Evaluation Kit General Description Features
... Changing the Switching Frequency The switching frequency of the MAX1585 is adjustable. Typically, frequencies from 400kHz to 600kHz provide a good compromise between efficiency and compo- ...
... Changing the Switching Frequency The switching frequency of the MAX1585 is adjustable. Typically, frequencies from 400kHz to 600kHz provide a good compromise between efficiency and compo- ...
AI34212218
... zero CMV. In a four-level three phase inverter, the summation of the instantaneous voltages has a definite value other than zero. Therefore a four-level inverter is unable to eliminate the CMV because zero CMV exists only in multilevel inverters with an odd number of levels. If the circuit is modifi ...
... zero CMV. In a four-level three phase inverter, the summation of the instantaneous voltages has a definite value other than zero. Therefore a four-level inverter is unable to eliminate the CMV because zero CMV exists only in multilevel inverters with an odd number of levels. If the circuit is modifi ...
05 - H-Bridge Motor Control
... After uploading this example, open up the Serial Monitor. Type in a speed from 0 to 255. This example only drives the motor in one direction. Can you modify the code so that if the number is positive, it drives the motor clockwise, and if it’s negative, it drives the motor in the opposite directio ...
... After uploading this example, open up the Serial Monitor. Type in a speed from 0 to 255. This example only drives the motor in one direction. Can you modify the code so that if the number is positive, it drives the motor clockwise, and if it’s negative, it drives the motor in the opposite directio ...
ADC interfacing with Microcontrollers
... The successive approximation ADC is much faster than the digital ramp ADC because it uses digital logic to converge on the value closest to the input voltage. A comparator and a DAC are used in the process. A flowchart explaning the working is shown in the figure below. ...
... The successive approximation ADC is much faster than the digital ramp ADC because it uses digital logic to converge on the value closest to the input voltage. A comparator and a DAC are used in the process. A flowchart explaning the working is shown in the figure below. ...
Ancillary Electrical Services - Pomorski fakultet u Splitu
... Cleaning of the lamp glass and reflectors is essential for safety and necessary to maintain the luminous efficiency of the luminaire. Particular care should be paid to the maintenance of the watertight integrity of exposed luminaires (e.g. for navigation, signal and deck lighting) at their flang ...
... Cleaning of the lamp glass and reflectors is essential for safety and necessary to maintain the luminous efficiency of the luminaire. Particular care should be paid to the maintenance of the watertight integrity of exposed luminaires (e.g. for navigation, signal and deck lighting) at their flang ...
A transformer is a device that transfers electrical energy from
... to be those with ratings of 300 volt-amperes and below. These transformers normally provide power to the power supply of an electronic device, such as in power amplifiers in audio receivers. C .............................................................. are generally used in electronic circuits th ...
... to be those with ratings of 300 volt-amperes and below. These transformers normally provide power to the power supply of an electronic device, such as in power amplifiers in audio receivers. C .............................................................. are generally used in electronic circuits th ...
AM radio limits
... • The maximum information frequency fm is specified as 15 kHz. (high fidelity) • The minimum bandwidth is to be at least 200 kHz (0.2 MHz). • Therefore, carrier frequencies are separated by 200 kHz. ...
... • The maximum information frequency fm is specified as 15 kHz. (high fidelity) • The minimum bandwidth is to be at least 200 kHz (0.2 MHz). • Therefore, carrier frequencies are separated by 200 kHz. ...
Pulse-width modulation
Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a modulation technique used to encode a message into a pulsing signal. Although this modulation technique can be used to encode information for transmission, its main use is to allow the control of the power supplied to electrical devices, especially to inertial loads such as motors. In addition, PWM is one of the two principal algorithms used in photovoltaic solar battery chargers, the other being MPPT.The average value of voltage (and current) fed to the load is controlled by turning the switch between supply and load on and off at a fast rate. The longer the switch is on compared to the off periods, the higher the total power supplied to the load.The PWM switching frequency has to be much higher than what would affect the load (the device that uses the power), which is to say that the resultant waveform perceived by the load must be as smooth as possible. Typically switching has to be done several times a minute in an electric stove, 120 Hz in a lamp dimmer, from few kilohertz (kHz) to tens of kHz for a motor drive and well into the tens or hundreds of kHz in audio amplifiers and computer power supplies.The term duty cycle describes the proportion of 'on' time to the regular interval or 'period' of time; a low duty cycle corresponds to low power, because the power is off for most of the time. Duty cycle is expressed in percent, 100% being fully on.The main advantage of PWM is that power loss in the switching devices is very low. When a switch is off there is practically no current, and when it is on and power is being transferred to the load, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero. PWM also works well with digital controls, which, because of their on/off nature, can easily set the needed duty cycle.PWM has also been used in certain communication systems where its duty cycle has been used to convey information over a communications channel.