Supplementary Instructions for Reduced-Voltage
... percentage of motor full-load current. As the motor accelerates, the current drawn decreases. Solid-state equivalents of the current transition relay (such as an IQ1000) operate on the same principle. These relays sense the lowering of motor current as the motor approaches rated speed. In the event ...
... percentage of motor full-load current. As the motor accelerates, the current drawn decreases. Solid-state equivalents of the current transition relay (such as an IQ1000) operate on the same principle. These relays sense the lowering of motor current as the motor approaches rated speed. In the event ...
AN58 - 5V to 3.3V Converters for Microprocessor Systems
... dropout regulators. Since PNP transistors are much larger than monolithic NPNs, higher current regulators use an NPN pass device. The LT1117, LT1086, LT1083 through LT1085, and LT1087 all use NPN pass devices. The NPN structure requires about 1.2V headroom compared to the 400mV to 500mV dropout typi ...
... dropout regulators. Since PNP transistors are much larger than monolithic NPNs, higher current regulators use an NPN pass device. The LT1117, LT1086, LT1083 through LT1085, and LT1087 all use NPN pass devices. The NPN structure requires about 1.2V headroom compared to the 400mV to 500mV dropout typi ...
Improved 2nd-Order Multi-bit Noise-Coupled Sigma
... injection. As for delay operation, a sampling branch is divided into two absolute ones controlled by the two pairs of non-overlapping clocks Φ1e, Φ2o, and Φ1o, Φ2e respectively, and Φe and Φo will be only one efficient during every Φ period. In the phase of Φ1o, the input signal is sampled onto its ...
... injection. As for delay operation, a sampling branch is divided into two absolute ones controlled by the two pairs of non-overlapping clocks Φ1e, Φ2o, and Φ1o, Φ2e respectively, and Φe and Φo will be only one efficient during every Φ period. In the phase of Φ1o, the input signal is sampled onto its ...
Installation Manual
... a cabinet or sub-cabinet, for either single or three-phase installations. The Power Meter continuously measures voltage, current, power factor, cumulative active and reactive kilowatt-hours, and line frequency. Current transformers are clamped around the mains conductors and register the current amp ...
... a cabinet or sub-cabinet, for either single or three-phase installations. The Power Meter continuously measures voltage, current, power factor, cumulative active and reactive kilowatt-hours, and line frequency. Current transformers are clamped around the mains conductors and register the current amp ...
Voltage Regulator Placement - WindMil
... sure we only tap for sustained excursions “outside of band”. • For multiple regulators in series, we typically sequence the time delays so the regs don’t tap at the same time. ...
... sure we only tap for sustained excursions “outside of band”. • For multiple regulators in series, we typically sequence the time delays so the regs don’t tap at the same time. ...
Topic 4: Digital Circuits
... –High state fanout, nFhigh:= maximum number of similar gates that can be driven high so that Vo > VOHMIN –Need to do current loading calculation for non-gate loads (LEDs, termination resistors, etc.) ...
... –High state fanout, nFhigh:= maximum number of similar gates that can be driven high so that Vo > VOHMIN –Need to do current loading calculation for non-gate loads (LEDs, termination resistors, etc.) ...
S-90P0112SMA - SII Semiconductor Corporation
... The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments ...
... The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments ...
LMx31x Precision Voltage-to-Frequency Converters (Rev. C)
... low power supply voltages and can provide low-cost analog-to-digital conversion in microprocessor-controlled systems. And, the frequency from a battery-powered voltage-to-frequency converter can be easily channeled through a simple photo isolator to provide isolation against high common-mode levels. ...
... low power supply voltages and can provide low-cost analog-to-digital conversion in microprocessor-controlled systems. And, the frequency from a battery-powered voltage-to-frequency converter can be easily channeled through a simple photo isolator to provide isolation against high common-mode levels. ...
AP1186 - Diodes Incorporated
... inputs are available such as a computer motherboard with an ATX style power supply that provides 5V and 3.3V to the board. One such application is the new graphic chip sets that require anywhere from 2.4V to 2.7V supply. The AP1186-ADJ can easily be programmed with the addition of two external resis ...
... inputs are available such as a computer motherboard with an ATX style power supply that provides 5V and 3.3V to the board. One such application is the new graphic chip sets that require anywhere from 2.4V to 2.7V supply. The AP1186-ADJ can easily be programmed with the addition of two external resis ...
- Earthquake Sound
... accurate, and powerful, the 15 GHz switcher allowed engineers to use less number of components in the audio path. Users are able to enjoy pure music, untainted by components distortion. Earthquake Engineers, driven by their desire for excellence, pushed the envelop beyond its limits. They designed t ...
... accurate, and powerful, the 15 GHz switcher allowed engineers to use less number of components in the audio path. Users are able to enjoy pure music, untainted by components distortion. Earthquake Engineers, driven by their desire for excellence, pushed the envelop beyond its limits. They designed t ...
- Texas Instruments
... degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied. Input terminals are diode-clamped to the power-supply rails. Input signals that can swing more than 0.5 V beyond the supply rails ...
... degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied. Input terminals are diode-clamped to the power-supply rails. Input signals that can swing more than 0.5 V beyond the supply rails ...
Transformers
... An A.C. device used to change high voltage low current A.C. into low voltage high current A.C. and vice-versa without changing the frequency In brief, 1. Transfers electric power from one circuit to another 2. It does so without a change of frequency 3. It accomplishes this by electromagnetic induct ...
... An A.C. device used to change high voltage low current A.C. into low voltage high current A.C. and vice-versa without changing the frequency In brief, 1. Transfers electric power from one circuit to another 2. It does so without a change of frequency 3. It accomplishes this by electromagnetic induct ...
Comparison of energy efficiency determination methods for the
... the classification according CEMEP could have this motor as IE1 Standard efficiency or in a case of direct method the value of efficiency is lower than desired level and the difference would be more significant in the case of higher rated power motors. The main point is that a standard efficiency mo ...
... the classification according CEMEP could have this motor as IE1 Standard efficiency or in a case of direct method the value of efficiency is lower than desired level and the difference would be more significant in the case of higher rated power motors. The main point is that a standard efficiency mo ...
Transformers
... An A.C. device used to change high voltage low current A.C. into low voltage high current A.C. and vice-versa without changing the frequency In brief, 1. Transfers electric power from one circuit to another 2. It does so without a change of frequency 3. It accomplishes this by electromagnetic induct ...
... An A.C. device used to change high voltage low current A.C. into low voltage high current A.C. and vice-versa without changing the frequency In brief, 1. Transfers electric power from one circuit to another 2. It does so without a change of frequency 3. It accomplishes this by electromagnetic induct ...
Constant-Frequency, Current-Mode Step-Up DC/DC Controller ADP1621
... current-sense amplifier. Connect PGND to GND as close to the ADP1621 as possible. Gate Driver Output. The maximum gate driver output is equal to the PIN voltage. GATE drives the gate of the external n-channel power MOSFET. Connect GATE to the gate of the MOSFET. Power Input. PIN powers the gate driv ...
... current-sense amplifier. Connect PGND to GND as close to the ADP1621 as possible. Gate Driver Output. The maximum gate driver output is equal to the PIN voltage. GATE drives the gate of the external n-channel power MOSFET. Connect GATE to the gate of the MOSFET. Power Input. PIN powers the gate driv ...
Pulse Load Handling for Fixed Linear Resistors
... 30 W). With a peak power Pˆ of 10 W the diagram shows that the maximum permitted duration trec - data is around 7 ms. Based on the calculation above, the calculated rectangular pulse duration trec - cal is lower than the maximum permitted pulse duration trec - data. A professional MINI-MELF resistor ...
... 30 W). With a peak power Pˆ of 10 W the diagram shows that the maximum permitted duration trec - data is around 7 ms. Based on the calculation above, the calculated rectangular pulse duration trec - cal is lower than the maximum permitted pulse duration trec - data. A professional MINI-MELF resistor ...
AD8000
... The AD8000 has low spurious-free dynamic range (SFDR) of 75 dBc @ 20 MHz and input voltage noise of 1.6 nV/√Hz. The AD8000 can drive over 100 mA of load current with minimal distortion. The amplifier can operate on +5 V to ±6 V. These specifications make the AD8000 ideal for a variety of application ...
... The AD8000 has low spurious-free dynamic range (SFDR) of 75 dBc @ 20 MHz and input voltage noise of 1.6 nV/√Hz. The AD8000 can drive over 100 mA of load current with minimal distortion. The amplifier can operate on +5 V to ±6 V. These specifications make the AD8000 ideal for a variety of application ...
ELECTRONIC INSTRUMENTATION Reference Books
... nonlinear circuit such as an amplifier. particularly a power amplifier. This problem is particularly troublesome in the reproduction of music. ...
... nonlinear circuit such as an amplifier. particularly a power amplifier. This problem is particularly troublesome in the reproduction of music. ...
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.