Chapter 16: University of Illinois at Urbana
... The main design concept used was that of voltageto-frequency conversion. The “Nervo-Scope” had an output signal going to its display which varied between +120mV and -12mV for full scale deflections of its display needle. This signal was used for the SOC. Due to the small magnitude of the output sign ...
... The main design concept used was that of voltageto-frequency conversion. The “Nervo-Scope” had an output signal going to its display which varied between +120mV and -12mV for full scale deflections of its display needle. This signal was used for the SOC. Due to the small magnitude of the output sign ...
A novel direct torque control (DTC) method
... machine has two, three-phase windings spatially shifted by 60 electrical degrees with one or two neutrals. SPIM drive has 64 inverter switching states which provide higher possibility in selecting space voltage vectors than three-phase induction machines. We will show that classical DTC for SPIM wit ...
... machine has two, three-phase windings spatially shifted by 60 electrical degrees with one or two neutrals. SPIM drive has 64 inverter switching states which provide higher possibility in selecting space voltage vectors than three-phase induction machines. We will show that classical DTC for SPIM wit ...
Electricity and Multimeters
... called a DMM (digital multimeter) or a DVM (digital voltage meter). An analog display shows the readings as a needle moving across a scale of values. Before you begin to use a multimeter, you must tell it three things: (1) what you want it to measure (voltage, current, or resistance), (2) whether th ...
... called a DMM (digital multimeter) or a DVM (digital voltage meter). An analog display shows the readings as a needle moving across a scale of values. Before you begin to use a multimeter, you must tell it three things: (1) what you want it to measure (voltage, current, or resistance), (2) whether th ...
Direct and External Modulation of Light
... The vast amount of data we are using and transmitting daily, either for plain telephony or when using the Internet, is generated and processed in the electrical domain. However, now that we are reaching the end of this experimental course, you should have hopefully been made aware of the benefit (an ...
... The vast amount of data we are using and transmitting daily, either for plain telephony or when using the Internet, is generated and processed in the electrical domain. However, now that we are reaching the end of this experimental course, you should have hopefully been made aware of the benefit (an ...
New Simple Square-Rooting Circuits Based on Translinear Current Conveyors Chuachai Netbut Montree Kumngern
... circuitry, wide dynamic range and wide bandwidth. The proposed square-rooting circuits were confirmed by using PSPICE simulation. Keywords: Square-rooting, CCCII, current-mode, BJT. 1. INTRODUCTION Recently, second-generation current-controlled conveyor (CCCII) has become very popular for implementi ...
... circuitry, wide dynamic range and wide bandwidth. The proposed square-rooting circuits were confirmed by using PSPICE simulation. Keywords: Square-rooting, CCCII, current-mode, BJT. 1. INTRODUCTION Recently, second-generation current-controlled conveyor (CCCII) has become very popular for implementi ...
Measuring Power Consumption for DragonBoard™ 410c
... positive voltage. If you are only measuring the current as shown above, it is not important if you are measuring the current flowing into the device (on the positive lead) or the current returning from the device (on the negative lead). The results will be the same either way. If you plan to use one ...
... positive voltage. If you are only measuring the current as shown above, it is not important if you are measuring the current flowing into the device (on the positive lead) or the current returning from the device (on the negative lead). The results will be the same either way. If you plan to use one ...
4.5 V to 42 V Input, 5 A, Step Down DC
... The device implements constant frequency, current mode control which reduces output capacitance and simplifies external frequency compensation. The wide switching frequency range of 100 kHz to 2500 kHz allows either efficiency or size optimization when selecting the output filter components. The swi ...
... The device implements constant frequency, current mode control which reduces output capacitance and simplifies external frequency compensation. The wide switching frequency range of 100 kHz to 2500 kHz allows either efficiency or size optimization when selecting the output filter components. The swi ...
VCXO AND HDTV SET-TOP CLOCK SOURCE MK3771
... The MK3771-17 is a low cost, low jitter, high-perfomance VCXO and clock synthesizer designed for set-top boxes and HDTV receivers. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3.3 V input voltage to cause the output clocks to vary by ±100 ppm. Using IDT’s patented VCXO and analog ...
... The MK3771-17 is a low cost, low jitter, high-perfomance VCXO and clock synthesizer designed for set-top boxes and HDTV receivers. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3.3 V input voltage to cause the output clocks to vary by ±100 ppm. Using IDT’s patented VCXO and analog ...
2. Generator Basics IEEE
... RPM and you wanted 50 Hz, you would need a generator with how many poles? 50 Hz × 120 ...
... RPM and you wanted 50 Hz, you would need a generator with how many poles? 50 Hz × 120 ...
UNITY-GAIN STABLE WIDEBAND VOLTAGE LIMITING AMPLIFIER OPA698M FEATURES
... Two buffered limiting voltages take control of the output when it attempts to drive beyond these limits. This new output limiting architecture holds the limiter offset error to ±15 mV. The op amp operates linearly to within 30 mV of the output limit voltages. The combination of narrow nonlinear rang ...
... Two buffered limiting voltages take control of the output when it attempts to drive beyond these limits. This new output limiting architecture holds the limiter offset error to ±15 mV. The op amp operates linearly to within 30 mV of the output limit voltages. The combination of narrow nonlinear rang ...
AD8067
... the total drive power is VS/2 × IOUT, some of which is dissipated in the package and some in the load (VOUT × IOUT). The difference between the total drive power and the load power is the drive power dissipated in the package. RMS output voltages should be considered. ...
... the total drive power is VS/2 × IOUT, some of which is dissipated in the package and some in the load (VOUT × IOUT). The difference between the total drive power and the load power is the drive power dissipated in the package. RMS output voltages should be considered. ...
UNIT – II Explain the operation of DC Generator with neat sketches
... a) Open-circuit characteristic or magnetization curve for self-excited generator The (O.C.C) or no-load saturated curves for self-excited generators whether shunt or seriesconnected, are obtained in a similar way. The field winding of the generator whether (shunt or series wound) is disconnected fro ...
... a) Open-circuit characteristic or magnetization curve for self-excited generator The (O.C.C) or no-load saturated curves for self-excited generators whether shunt or seriesconnected, are obtained in a similar way. The field winding of the generator whether (shunt or series wound) is disconnected fro ...
DC to 2.0 GHz Multiplier ADL5391
... By using a feedback multiplier that is identical to the main multiplier, the scaling is traced back solely to U, which is an accurate reference generated on-chip. As is apparent in Equation 2, noise, drift, or distortion that is common to both multipliers is rejected to first-order because the feedb ...
... By using a feedback multiplier that is identical to the main multiplier, the scaling is traced back solely to U, which is an accurate reference generated on-chip. As is apparent in Equation 2, noise, drift, or distortion that is common to both multipliers is rejected to first-order because the feedb ...
Infra Red Remote Control Extender
... 1 27ohm 1/2W resistor 1 BC337 transistor 1 CA3140 MOSFET opamp The LPC661 opamp Radio Shack # 900-6332 can be used as a substitute for the CA3140 Circuit Benefits This circuit has an advantage over other similar designs in that there is nothing to adjust or set-up. Also bellwire or speaker cable can ...
... 1 27ohm 1/2W resistor 1 BC337 transistor 1 CA3140 MOSFET opamp The LPC661 opamp Radio Shack # 900-6332 can be used as a substitute for the CA3140 Circuit Benefits This circuit has an advantage over other similar designs in that there is nothing to adjust or set-up. Also bellwire or speaker cable can ...
Voltage detector with sense input and external
... output line are being supplied. A 10 kΩ pull-up is sufficient in most applications. The advantages of open drain output include the ability to connect more open drain outputs in parallel (wired OR connections) as well as connecting the output to a power supply voltage other than VCC. ...
... output line are being supplied. A 10 kΩ pull-up is sufficient in most applications. The advantages of open drain output include the ability to connect more open drain outputs in parallel (wired OR connections) as well as connecting the output to a power supply voltage other than VCC. ...
AD7538 数据手册DataSheet 下载
... Output Offset: CMOS D/A converters in circuits such as Figures 4 and 5 exhibit a code dependent output resistance which in turn can cause a code dependent error voltage at the output of the amplifier. The maximum amplitude of this error, which adds to the D/A converter nonlinearity, depends on VOS, ...
... Output Offset: CMOS D/A converters in circuits such as Figures 4 and 5 exhibit a code dependent output resistance which in turn can cause a code dependent error voltage at the output of the amplifier. The maximum amplitude of this error, which adds to the D/A converter nonlinearity, depends on VOS, ...
LM3916 Datasheet
... from LED #9 does not noticeably affect its intensity. An auxiliary current source at pin 1 keeps at least 100 μA flowing through LED #11 even if the input voltage rises high enough to extinguish the LED. This ensures that pin 9 of driver #1 is held low enough to force LED #10 off when any higher LED ...
... from LED #9 does not noticeably affect its intensity. An auxiliary current source at pin 1 keeps at least 100 μA flowing through LED #11 even if the input voltage rises high enough to extinguish the LED. This ensures that pin 9 of driver #1 is held low enough to force LED #10 off when any higher LED ...
MAX1693/(MAX1693H)/MAX1694 USB Current-Limited Switches with Fault Blanking General Description
... returns to its high-impedance state. In the MAX1694, any overcurrent longer than 10ms will latch the switch open and set FAULT low. The latch is cleared by cycling the ON input or by powering up the device again. This feature saves power by preventing the device from thermally cycling on and off in ...
... returns to its high-impedance state. In the MAX1694, any overcurrent longer than 10ms will latch the switch open and set FAULT low. The latch is cleared by cycling the ON input or by powering up the device again. This feature saves power by preventing the device from thermally cycling on and off in ...
AC-MACHINES.PPT
... Steam supply to alternator 1 is increased ( ie power input to the prime mover is increased Speed of two machines are tied together Machine no 1 can not over run machine no2 . Alternatively it utilises its increased power input for carrying more load than No2. This can be possible only if rotor no 1 ...
... Steam supply to alternator 1 is increased ( ie power input to the prime mover is increased Speed of two machines are tied together Machine no 1 can not over run machine no2 . Alternatively it utilises its increased power input for carrying more load than No2. This can be possible only if rotor no 1 ...
Power electronics
Power electronics is the application of solid-state electronics to the control and conversion of electric power. It also refers to a subject of research in electronic and electrical engineering which deals with the design, control, computation and integration of nonlinear, time-varying energy-processing electronic systems with fast dynamics.The first high power electronic devices were mercury-arc valves. In modern systems the conversion is performed with semiconductor switching devices such as diodes, thyristors and transistors, pioneered by R. D. Middlebrook and others beginning in the 1950s. In contrast to electronic systems concerned with transmission and processing of signals and data, in power electronics substantial amounts of electrical energy are processed. An AC/DC converter (rectifier) is the most typical power electronics device found in many consumer electronic devices, e.g. television sets, personal computers, battery chargers, etc. The power range is typically from tens of watts to several hundred watts. In industry a common application is the variable speed drive (VSD) that is used to control an induction motor. The power range of VSDs start from a few hundred watts and end at tens of megawatts.The power conversion systems can be classified according to the type of the input and output power AC to DC (rectifier) DC to AC (inverter) DC to DC (DC-to-DC converter) AC to AC (AC-to-AC converter)