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MAX8643 3A, 2MHz Step-Down Regulator with Integrated Switches General Description
MAX8643 3A, 2MHz Step-Down Regulator with Integrated Switches General Description

... to (0.9 x VIN).The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1% over load, line, and temperature. The MAX8643 features fixed-frequency PWM mode operation with a switching frequency range of 500kHz to 2 ...
MAX2754 1.2GHz VCO with Linear Modulation Input General Description
MAX2754 1.2GHz VCO with Linear Modulation Input General Description

... modulation systems that utilize a direct frequency-modulation transmit architecture. This device features a linear modulation input in addition to the standard frequency tuning input. The frequency tuning range of 1145MHz to 1250MHz (1/2 LO) also supports an IF up to 110MHz with low side LO. The VCO ...
AN-669: Effectively Applying the AD628 Precision Gain Block (英文 )
AN-669: Effectively Applying the AD628 Precision Gain Block (英文 )

... scaling amplifier or as a pin-strapped precision gain block. Specifically designed for use ahead of an analogto-digital converter, the AD628 is extremely useful as an input scaling and buffering amplifier. As a differential amplifier, it can extract small differential voltages riding on large common ...
Electrical characteristics - Teaching Advanced Physics
Electrical characteristics - Teaching Advanced Physics

... it. This activity gives good practice in building testing and using a circuit designed to measure current and voltage. They will need a reasonable amount of time to set up, check the circuit and begin to take readings. Make sure they all have correct circuits and that their meters are set to appropr ...
AP7362 Description Pin Assignments
AP7362 Description Pin Assignments

... as the difference between the phase shift and -180 degrees at the frequency where the loop gain crosses unity (0 dB). For most LDO regulators, the ESR of the output capacitor is required to create a zero to add enough phase lead to ensure stable operation. The AP7362 has an internal compensation cir ...
ESF.ESFP Smart battery charger user manual
ESF.ESFP Smart battery charger user manual

Warm Audio | Serious Gear. Seriously Affordable.
Warm Audio | Serious Gear. Seriously Affordable.

... amplifier) and output transformer. The thorough layout of the HI-Z's signal path ensures that instruments are subject to the same robust pre-amplification as the microphones. You can connect a variety of instruments via the Hi-Z input on the front panel of the WA12 including: acoustic and electric g ...
Output Voltage Sensor based Maximum Power Point Tracking for PV
Output Voltage Sensor based Maximum Power Point Tracking for PV

... So for high frequency converter it is very difficult to obtain the accurate time derivative of the array voltage and current. Other existing techniques show improved performance using fuzzy logic, neural network, optimization algorithm, sliding mode control, but they are not commonly used due to the ...
UNDERSTANDING AND USING `OTA` OP-AMP ICs
UNDERSTANDING AND USING `OTA` OP-AMP ICs

... graphs in Figure 9, which show typical collector currents of 500µA. Note, however, that the QA collecparameter values when the IC is driven from split 15V supplies tor current is drawn from the circuit’s input current, which thus at an ambient temperature of +250C. Thus, at a bias current of equals ...
TDA8922B 2 x 50 W class-D power amplifier
TDA8922B 2 x 50 W class-D power amplifier

... • Operating mode; the amplifiers fully are operational with output signal. To ensure pop-noise free start-up the DC output offset voltage is applied gradually to the output between Mute mode and Operating mode. The bias current setting of the VI converters is related to the voltage on the MODE pin; ...
MAX5174/MAX5176 General Description Features
MAX5174/MAX5176 General Description Features

... with Voltage Output The MAX5174/MAX5176 low-power, serial, voltage-output, 12-bit digital-to-analog converters (DACs) feature a precision output amplifier in a space-saving 16-pin QSOP package. The MAX5174 operates from a single +5V supply, and the MAX5176 operates from a single +3V supply. Both dev ...
INA19x Current Shunt Monitor −16 V to +80 V Common
INA19x Current Shunt Monitor −16 V to +80 V Common

... The value chosen for the shunt resistor, RS, depends on the application and is a compromise between smallsignal accuracy and maximum permissible voltage loss in the measurement line. High values of RS provide better accuracy at lower currents by minimizing the effects of offset, while low values of ...
Chapter 13 Electric Circuits
Chapter 13 Electric Circuits

ultra-precision differential cml line driver/receiver with
ultra-precision differential cml line driver/receiver with

... 8. The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. 9. High frequency AC electricals are guaranteed by design and characterization. 10. Random jitter is measured with a K28.7 comma detect character pattern, measured at 2.5 ...
Circuitry ~ Learning Guide Name: Instructions
Circuitry ~ Learning Guide Name: Instructions

... 5. What is an Ammeter and a Voltmeter? How are they connected into a circuit? One of these devices is said to have an infinite resistance (huge) while the other is said to have zero resistance. Based on how they are connected into a circuit explain why each device needs this resistance value so as n ...
Chapter 13
Chapter 13

... If we disconnect the bulb and measure the voltage across the battery terminals, we will get 1.5 V again. As a battery gets older, its internal resistance gets larger. The total resistance of the circuit increases and reduces the current flowing through the circuit. As the current gets smaller, ...
Electric Currents
Electric Currents

... If we disconnect the bulb and measure the voltage across the battery terminals, we will get 1.5 V again. As a battery gets older, its internal resistance gets larger. The total resistance of the circuit increases and reduces the current flowing through the circuit. As the current gets smaller, ...
Laser Diode Characteristics and Definitionsf
Laser Diode Characteristics and Definitionsf

Benefits of a multiphase buck converter
Benefits of a multiphase buck converter

... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant ...
Open and View the Book - Ultrasound Physics Exam
Open and View the Book - Ultrasound Physics Exam

... electronic noise looks like white speckle with high receiver gain in _________ spectrum Doppler electronic noise looks like random color pixels where there is no flow in _____ Doppler color clutter happens when ______ returning echoes obliterate weaker signals larger ...
Document
Document

... 300,000 km/s (186,000 mile/s) ...
Full-text
Full-text

... onto a quasi-Z-source inverter (qZSI). The qZSI was first introduced in [4]. The qZSI can buck and boost DC-link voltage in a single stage without additional switches. The qZSI can boost the input voltage by introducing a special shoot-through switching state, which is the simultaneous conduction (c ...
Instructional Package
Instructional Package

... The Add/Drop Period is the first 5 days of the semester for full term classes. Add/Drop periods are shorter for accelerated format courses. The following week of the semester is Financial Aid Attendance Verification period. You must attend at least one meeting of all of your classes during that peri ...
MAX6339 Quad Voltage µP Supervisory Circuit in SOT Package General Description
MAX6339 Quad Voltage µP Supervisory Circuit in SOT Package General Description

... The MAX6339 RESET output is asserted low when any of the monitored IN_ voltages drop below its specified reset threshold (or above for -5V option) and remain low for the reset timeout period (140ms minimum) after all inputs exceed their thresholds (Figure 2). The output is open drain with a weak int ...
Press Release
Press Release

< 1 ... 1959 1960 1961 1962 1963 1964 1965 1966 1967 ... 2982 >

Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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