DAC312 数据手册DataSheet 下载
... device consumes 225 mW at the lower supply voltages with an absolute maximum dissipation of 375 mW at the higher supply levels. With their guaranteed specifications, single chip reliability and low cost, the DAC312 device makes excellent building blocks for A/D converters, data acquisition systems, ...
... device consumes 225 mW at the lower supply voltages with an absolute maximum dissipation of 375 mW at the higher supply levels. With their guaranteed specifications, single chip reliability and low cost, the DAC312 device makes excellent building blocks for A/D converters, data acquisition systems, ...
one channel microstepping motor driver board - Inter
... performance by reducing the distortion of the current waveform due to the motor BEMF. The electrical schematic of the realized board is shown in figure 2. The RESET input (active low) sets the translator to a predefined home state (see figures for home conditions) and turns off all of the DMOS outpu ...
... performance by reducing the distortion of the current waveform due to the motor BEMF. The electrical schematic of the realized board is shown in figure 2. The RESET input (active low) sets the translator to a predefined home state (see figures for home conditions) and turns off all of the DMOS outpu ...
First through sixth editions, copyright © 1994
... Whether a force is the push of a motor or the pull of gravity or muscles, the important characteristics are the magnitude and direction of the force, and the mass and previous state of motion of the object being affected. By pushing on a moving car, one can either cause it to gain speed or come to a ...
... Whether a force is the push of a motor or the pull of gravity or muscles, the important characteristics are the magnitude and direction of the force, and the mass and previous state of motion of the object being affected. By pushing on a moving car, one can either cause it to gain speed or come to a ...
Application Note 020 Converting a 1 Form A / 1 Form
... Iled is the desired forward current through the LED In a standard TTL driven input circuit, the variables will have the following values: Vin = 5V Vled = 1.5V Iled = 5mA So, substituting these values into formula (1), a resistor value of 700Ω can be calculated. Of course, this value does not take in ...
... Iled is the desired forward current through the LED In a standard TTL driven input circuit, the variables will have the following values: Vin = 5V Vled = 1.5V Iled = 5mA So, substituting these values into formula (1), a resistor value of 700Ω can be calculated. Of course, this value does not take in ...
Update of the ADP system debugging
... Baseline oscillates (50Hz) with amplitude of 15 mV While a moderate threshold decrease improves timing res., a further decrease gives worse results (10mV). But 10 mV threshold was the value used in the beam test! High level of signal cleanliness is needed for best performances. Some further improvem ...
... Baseline oscillates (50Hz) with amplitude of 15 mV While a moderate threshold decrease improves timing res., a further decrease gives worse results (10mV). But 10 mV threshold was the value used in the beam test! High level of signal cleanliness is needed for best performances. Some further improvem ...
POWER ANALYZER 3390
... calculated by performing harmonic analysis of motor input voltage / current by synchronizing to the A-phase signal and z-phase signal of an encoder. ○ A function to perform zero compensation for this phase angle when a motor induced voltage is generated can be used to measure the voltage and current ...
... calculated by performing harmonic analysis of motor input voltage / current by synchronizing to the A-phase signal and z-phase signal of an encoder. ○ A function to perform zero compensation for this phase angle when a motor induced voltage is generated can be used to measure the voltage and current ...
Figure 26-8
... • The ammeter (sometimes prefixed with milli or micro because the currents to be measured are routinely thousandths or millionths of an ampere) may be used to measure current OR voltage. A shunt resistor makes this conversion as shown below in Figure 26.15. • Consider Example 26.8 to follow a curren ...
... • The ammeter (sometimes prefixed with milli or micro because the currents to be measured are routinely thousandths or millionths of an ampere) may be used to measure current OR voltage. A shunt resistor makes this conversion as shown below in Figure 26.15. • Consider Example 26.8 to follow a curren ...
SIMULATIONS OF SERIES RESONANCE CIRCUIT POWER ELECTRONICS COLORADO STATE UNIVERSITY
... Series Resonant Circuit Using MATLAB NOTE: The simulations that follow are intended to be completed with MATLAB. It is assumed that the student has a fundamental understanding of the operation of MATLAB. MATLAB provides tutorials for users that are not experienced with its functions. In this lab ...
... Series Resonant Circuit Using MATLAB NOTE: The simulations that follow are intended to be completed with MATLAB. It is assumed that the student has a fundamental understanding of the operation of MATLAB. MATLAB provides tutorials for users that are not experienced with its functions. In this lab ...
Practical Phase-Locked Loop Design
... w/o affecting avg. freq. (“proportional” path). • C2 cap smoothes large IR ripple on Vctl • Typical value: 0.5k < Rlpf < 20kOhm Vctl Res ...
... w/o affecting avg. freq. (“proportional” path). • C2 cap smoothes large IR ripple on Vctl • Typical value: 0.5k < Rlpf < 20kOhm Vctl Res ...
an106.pdf
... The dominant pole placed by the output capacitor influences stability. Voltage regulator vendors can assist you in output capacitor selection for regulator designs that differ from what is offered. ...
... The dominant pole placed by the output capacitor influences stability. Voltage regulator vendors can assist you in output capacitor selection for regulator designs that differ from what is offered. ...
Designing Non-Invert Buck-Boost (Zeta) Cnvrts
... Figure 1. COT regulators do not require loop compensation and provide excellent transient performance with minimum design effort. Nonsynchronous operation results in reduced switching frequency at a very light load which delivers higher efficiency than a comparable fixed frequency converter. In many ...
... Figure 1. COT regulators do not require loop compensation and provide excellent transient performance with minimum design effort. Nonsynchronous operation results in reduced switching frequency at a very light load which delivers higher efficiency than a comparable fixed frequency converter. In many ...
ADuM5401 英文数据手册DataSheet下载
... The ADuM5401/ADuM5402/ADuM5403/ADuM54041 devices are quad-channel digital isolators with isoPower®, an integrated, isolated dc-to-dc converter. Based on the Analog Devices, Inc., iCoupler® technology, the dc-to-dc converter provides up to 500 mW of regulated, isolated power at either 5.0 V from a 5. ...
... The ADuM5401/ADuM5402/ADuM5403/ADuM54041 devices are quad-channel digital isolators with isoPower®, an integrated, isolated dc-to-dc converter. Based on the Analog Devices, Inc., iCoupler® technology, the dc-to-dc converter provides up to 500 mW of regulated, isolated power at either 5.0 V from a 5. ...
Datasheet - Texas Instruments
... The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal resistance, RθJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: P(MAX) = (TJ(MAX) – TA) / RθJ ...
... The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal resistance, RθJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: P(MAX) = (TJ(MAX) – TA) / RθJ ...
integration of artificial intelligence control to the unified power quality
... (change of interconnection weights). It should not be too low that the training gets too delayed. It should not be too high because the oscillations occur about the target values and the time taken to converge is too high and the training gets delayed. For the considered controller, Neural Network i ...
... (change of interconnection weights). It should not be too low that the training gets too delayed. It should not be too high because the oscillations occur about the target values and the time taken to converge is too high and the training gets delayed. For the considered controller, Neural Network i ...
Lecture_11
... Example 30-6: An LR circuit. At t = 0, a 12.0-V battery is connected in series with a 220-mH inductor and a total of 30-Ω resistance, as shown. (a) What is the current at t = 0? (b) What is the time constant? (c) What is the maximum current? (d) How long will it take the current to reach half its ma ...
... Example 30-6: An LR circuit. At t = 0, a 12.0-V battery is connected in series with a 220-mH inductor and a total of 30-Ω resistance, as shown. (a) What is the current at t = 0? (b) What is the time constant? (c) What is the maximum current? (d) How long will it take the current to reach half its ma ...
RF F3928
... 1. Connect RF cables at RFIN and RFOUT. 2. Connect ground to the ground supply terminal, and ensure that both the VG and VD grounds are also connected to this ground terminal. 3. Apply -6V to Vg. 4. Apply 50V to Vd. 5. Increase Vg until drain current reaches 440mA or desired bias point. 6. Turn on t ...
... 1. Connect RF cables at RFIN and RFOUT. 2. Connect ground to the ground supply terminal, and ensure that both the VG and VD grounds are also connected to this ground terminal. 3. Apply -6V to Vg. 4. Apply 50V to Vd. 5. Increase Vg until drain current reaches 440mA or desired bias point. 6. Turn on t ...
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Spec Section 16483 [specs]
... configuration (packaged or non-packaged), regardless of location where VFDs are specified, and regardless of which trade supplies and installs VFDs. The decision of whether or not to incorporate VFDs for control of mechanical equipment into the building design shall rest with the mechanical consulta ...
... configuration (packaged or non-packaged), regardless of location where VFDs are specified, and regardless of which trade supplies and installs VFDs. The decision of whether or not to incorporate VFDs for control of mechanical equipment into the building design shall rest with the mechanical consulta ...
Resistive opto-isolator
Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator or lamp-coupled photocell, is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically isolated from each other. The light source is usually a light-emitting diode (LED), a miniature incandescent lamp, or sometimes a neon lamp, whereas the detector is a semiconductor-based photoresistor made of cadmium selenide (CdSe) or cadmium sulfide (CdS). The source and detector are coupled through a transparent glue or through the air.Electrically, RO is a resistance controlled by the current flowing through the light source. In the dark state, the resistance typically exceeds a few MOhm; when illuminated, it decreases as the inverse of the light intensity. In contrast to the photodiode and phototransistor, the photoresistor can operate in both the AC and DC circuits and have a voltage of several hundred volts across it. The harmonic distortions of the output current by the RO are typically within 0.1% at voltages below 0.5 V.RO is the first and the slowest opto-isolator: its switching time exceeds 1 ms, and for the lamp-based models can reach hundreds of milliseconds. Parasitic capacitance limits the frequency range of the photoresistor by ultrasonic frequencies. Cadmium-based photoresistors exhibit a ""memory effect"": their resistance depends on the illumination history; it also drifts during the illumination and stabilizes within hours, or even weeks for high-sensitivity models. Heating induces irreversible degradation of ROs, whereas cooling to below −25 °C dramatically increases the response time. Therefore, ROs were mostly replaced in the 1970s by the faster and more stable photodiodes and photoresistors. ROs are still used in some sound equipment, guitar amplifiers and analog synthesizers owing to their good electrical isolation, low signal distortion and ease of circuit design.