Supplementary data - Royal Society of Chemistry
... molecular weight distribution was measured by gel permeation chromatography calibrated with MMA standards, giving M n = 10830, PDI 1.32. Unreacted MMA was recovered by an initial, rapid vacuum distillation followed by repeated distillations to reduce the level of xylene impurities. Free radical poly ...
... molecular weight distribution was measured by gel permeation chromatography calibrated with MMA standards, giving M n = 10830, PDI 1.32. Unreacted MMA was recovered by an initial, rapid vacuum distillation followed by repeated distillations to reduce the level of xylene impurities. Free radical poly ...
Analogue Digital Conversion
... To draw circuits and explain the operation of two digital to analogue converters: the binary weighted resistor network and the R-2R ladder network To draw the block diagram and explain the operation of three analogue to digital converters: flash, counter ramp and successive approximation To be able ...
... To draw circuits and explain the operation of two digital to analogue converters: the binary weighted resistor network and the R-2R ladder network To draw the block diagram and explain the operation of three analogue to digital converters: flash, counter ramp and successive approximation To be able ...
Sampling Theory and Analog-to-Digital Conversion Basic
... • “One common form of aliasing, which most people have observed, is the 'wagon wheels' effect in films. Since the rate of the film is usually much lower than the frequency at which the spokes of a wheel pass any one point, aliasing takes place and the wheels appear to turn either much more slowly th ...
... • “One common form of aliasing, which most people have observed, is the 'wagon wheels' effect in films. Since the rate of the film is usually much lower than the frequency at which the spokes of a wheel pass any one point, aliasing takes place and the wheels appear to turn either much more slowly th ...
The Flyback Converter
... magnetizing inductance. The magnetizing inductance must then follow all of the usual rules for inductors; in particular, volt-second balance must hold when the circuit operates in steady-state. This implies that the average voltage applied across every winding of the transformer must be zero. Let us ...
... magnetizing inductance. The magnetizing inductance must then follow all of the usual rules for inductors; in particular, volt-second balance must hold when the circuit operates in steady-state. This implies that the average voltage applied across every winding of the transformer must be zero. Let us ...
Base Station Receiver Design Using a Direct
... been in existence for many years. They are widely used in cell phones and cordless telephones because of their simplicity and lower cost. Direct conversion receiver ICs have only recently met the level of performance required for base stations. However, the relentless drive to reduce the cost of nex ...
... been in existence for many years. They are widely used in cell phones and cordless telephones because of their simplicity and lower cost. Direct conversion receiver ICs have only recently met the level of performance required for base stations. However, the relentless drive to reduce the cost of nex ...
Project Goals The Class E Inverter Improved
... response, the input choke inductor can be made resonant. To see what effect this has on inverter operation, L1 is broken into 2 hypothetical inductors, one that only carries DC current and one that carries only AC Current, as shown in Figure 3. ...
... response, the input choke inductor can be made resonant. To see what effect this has on inverter operation, L1 is broken into 2 hypothetical inductors, one that only carries DC current and one that carries only AC Current, as shown in Figure 3. ...
PDF
... 2.1 GCVI AC/DC converter 2.1.1 Gradationally controlled voltage inverter (GCVI) Figure 2 shows a schematic circuit diagram of the GCVI AC/DC converter. This circuit is configured with a general AC/DC step-up converter being connected to a GCVI circuit, which consists of series-connected inverter uni ...
... 2.1 GCVI AC/DC converter 2.1.1 Gradationally controlled voltage inverter (GCVI) Figure 2 shows a schematic circuit diagram of the GCVI AC/DC converter. This circuit is configured with a general AC/DC step-up converter being connected to a GCVI circuit, which consists of series-connected inverter uni ...
AD7813 数据手册DataSheet下载
... Figure 4 shows a typical connection diagram for the AD7813. The parallel interface is implemented using an 8-bit data bus, the falling edge of CONVST brings the BUSY signal high, and at the end of conversion the falling edge of BUSY is used to initiate an Interrupt Service Routine (ISR) on a micropr ...
... Figure 4 shows a typical connection diagram for the AD7813. The parallel interface is implemented using an 8-bit data bus, the falling edge of CONVST brings the BUSY signal high, and at the end of conversion the falling edge of BUSY is used to initiate an Interrupt Service Routine (ISR) on a micropr ...
X4901160164
... major limitations for the human development. How to find renewable energy is becoming more and more exigent. As the output voltage of the solar panel is very low and there should be a clear transformation for such low voltage to high voltage. Hence such work could be done by boost converter. The dc- ...
... major limitations for the human development. How to find renewable energy is becoming more and more exigent. As the output voltage of the solar panel is very low and there should be a clear transformation for such low voltage to high voltage. Hence such work could be done by boost converter. The dc- ...
Hw 3
... easy way to get greater performance from a sine-triangle inverter. For the inverter at hand, determine how much more fundamental frequency can be added without overmodulating. There exists a closed form analytical solution to this problem, but it is probably easier and more fun to let computer simul ...
... easy way to get greater performance from a sine-triangle inverter. For the inverter at hand, determine how much more fundamental frequency can be added without overmodulating. There exists a closed form analytical solution to this problem, but it is probably easier and more fun to let computer simul ...
site converter series - Innovative Circuit Technology
... The ICT Site Converter Series are high current, high efficiency rack mount DC to DC converters designed for dual-voltage site applications where a 24 or 48 volt DC input needs to be converted to a 12 or 24 volt DC output to power two-way radios, repeaters, RF amplifiers, trunking systems, or other s ...
... The ICT Site Converter Series are high current, high efficiency rack mount DC to DC converters designed for dual-voltage site applications where a 24 or 48 volt DC input needs to be converted to a 12 or 24 volt DC output to power two-way radios, repeaters, RF amplifiers, trunking systems, or other s ...
Document
... Figure 7.27 A simple but inefficient approach for differential to single-ended conversion. ...
... Figure 7.27 A simple but inefficient approach for differential to single-ended conversion. ...
JIM K. STERN (ME) - EDGE - Rochester Institute of Technology
... enclosures and attachment methods that can be easily sanitized, and are comfortable to wear. • Viable options for each sensor, and microcontroller capabilities will be compiled thoroughly at the end of project term. ...
... enclosures and attachment methods that can be easily sanitized, and are comfortable to wear. • Viable options for each sensor, and microcontroller capabilities will be compiled thoroughly at the end of project term. ...
лабораторная работа №7 - Томский политехнический университет
... converters. The digital word is presented in a variety of codes, the most common being pure binary or binary-coded-decimal. Two types of DAC are distinguished: binary-weighted resistor DAC and DAC using R-2R ladder network. Often DAC is used as a part of ADC. There are many different ways to do an a ...
... converters. The digital word is presented in a variety of codes, the most common being pure binary or binary-coded-decimal. Two types of DAC are distinguished: binary-weighted resistor DAC and DAC using R-2R ladder network. Often DAC is used as a part of ADC. There are many different ways to do an a ...
8bit 12-channel D/A converter
... No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Up ...
... No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Up ...
Digital Plug-In Repetitive Controller for Single
... This paper investigates a plug-in repetitive control scheme for bridgeless power factor correction (PFC) converters to mitigate input current distortions under continuous conduction mode and discontinuous conduction mode operating conditions. From the PFC converter model and the fact that a type-II ...
... This paper investigates a plug-in repetitive control scheme for bridgeless power factor correction (PFC) converters to mitigate input current distortions under continuous conduction mode and discontinuous conduction mode operating conditions. From the PFC converter model and the fact that a type-II ...
Thermal Resistance Explanation
... In an open-frame power converter, there is not a single thermal path from a single dissipation source to the ambient environment, so the concept of thermal resistance cannot be correctly applied. An open-frame converter has multiple components at many temperatures, all conducting some of their heat ...
... In an open-frame power converter, there is not a single thermal path from a single dissipation source to the ambient environment, so the concept of thermal resistance cannot be correctly applied. An open-frame converter has multiple components at many temperatures, all conducting some of their heat ...
Impedance Z
... To obtain a trustworthy value of α, the testing frequencies should be at least a decade lower than ωc. For conversion into C, the exponent α must be in the range of 0.8-1. Otherwise, CPE won’t represent a capacitor. The conversion of Y0 into C has been controversial. At least three distinct eq ...
... To obtain a trustworthy value of α, the testing frequencies should be at least a decade lower than ωc. For conversion into C, the exponent α must be in the range of 0.8-1. Otherwise, CPE won’t represent a capacitor. The conversion of Y0 into C has been controversial. At least three distinct eq ...
vlsi design of low power high speed adc
... pulses which was counted to generate the binary output at a sample rate of 6 kS/s. Following this, the successive approximation ADC was developed in 1948 by Black, Edson and Goodall to digitize voice to 5‐bits at 8 kS/s .Also in 1948, a 96 kS/s, 7‐bit ADC was developed and it was implemented using a ...
... pulses which was counted to generate the binary output at a sample rate of 6 kS/s. Following this, the successive approximation ADC was developed in 1948 by Black, Edson and Goodall to digitize voice to 5‐bits at 8 kS/s .Also in 1948, a 96 kS/s, 7‐bit ADC was developed and it was implemented using a ...
Fourier Transforms - Leiden Observatory
... proportional to the cosine of the OPD. If we want to do a true FT to get an image, we also need the sine component. This is done by setting up a 2nd correlator system with a λ / 4 delay on one telescope of each pair. Note that this only works if the bandwidth is relatively limited, otherwise λ / 4 i ...
... proportional to the cosine of the OPD. If we want to do a true FT to get an image, we also need the sine component. This is done by setting up a 2nd correlator system with a λ / 4 delay on one telescope of each pair. Note that this only works if the bandwidth is relatively limited, otherwise λ / 4 i ...
Large-signal feedback control of a bidirectional coupled
... the low-impedance input network. On one hand, the To solve this problem, different linearizing modeling well-known linear control strategies cannot be used in techniques were proposed in the past, their validity limits such bidirectional converters since large-signal transients being located in a sm ...
... the low-impedance input network. On one hand, the To solve this problem, different linearizing modeling well-known linear control strategies cannot be used in techniques were proposed in the past, their validity limits such bidirectional converters since large-signal transients being located in a sm ...
Copyright © 1985 Educational Testing Service. All rights reserved
... 1985E3. A spatially uniform magnetic field B. perpendicular to the plane of the page, exists in a circular region of radius R = 0.75 meter as shown above. A single wire loop of radius r = 0.5 meter is placed concentrically in the magnetic field and in the plane of the page. The magnetic field incre ...
... 1985E3. A spatially uniform magnetic field B. perpendicular to the plane of the page, exists in a circular region of radius R = 0.75 meter as shown above. A single wire loop of radius r = 0.5 meter is placed concentrically in the magnetic field and in the plane of the page. The magnetic field incre ...
1 Project definition
... Objects change their position in a very smooth and continuous way so an object’s local position is a very important attribute which can help distinguish an object from other similar or exact objects. It is also an easy attribute to represent. Due to these arguments we decided to combine the vast ...
... Objects change their position in a very smooth and continuous way so an object’s local position is a very important attribute which can help distinguish an object from other similar or exact objects. It is also an easy attribute to represent. Due to these arguments we decided to combine the vast ...
Full Text PDF - J
... network systems, will be developed to provide promising communication platforms for collecting and delivering information throughout the world. Such systems will need a huge number of distributed smart sensor LSIs to measure various physical data in our surroundings, store and process the measured d ...
... network systems, will be developed to provide promising communication platforms for collecting and delivering information throughout the world. Such systems will need a huge number of distributed smart sensor LSIs to measure various physical data in our surroundings, store and process the measured d ...
A 93% efficiency reconfigurable switched-capacitor DC-
... efficiency conversion is achieved by combining the Fe-Caps with multi-gain setting converter in a reconfigurable architecture with dynamic gain selection. Figure 21.7.1 shows the top level architecture of the whole power management IC. It consists of reconfigurable switched capacitor DC-DC converter ...
... efficiency conversion is achieved by combining the Fe-Caps with multi-gain setting converter in a reconfigurable architecture with dynamic gain selection. Figure 21.7.1 shows the top level architecture of the whole power management IC. It consists of reconfigurable switched capacitor DC-DC converter ...