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MAX5717,19 Datasheet - Maxim Part Number Search
MAX5717,19 Datasheet - Maxim Part Number Search

Keysight Technologies Capacitance Leakage Current Measurement
Keysight Technologies Capacitance Leakage Current Measurement

... where Vw is the working voltage specification of the capacitor. When measuring capacitor leakage current, the capacitor must be fully charged and stable at its test voltage. In addition, any error currents caused by dielectric absorption or dielectric material soakage need to be removed. To eliminat ...
AutoRanging Digital Multimeter
AutoRanging Digital Multimeter

DAC101C081/081Q/085 10-Bit Micro Power Dig-to
DAC101C081/081Q/085 10-Bit Micro Power Dig-to

... maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 10 mA to two. The absolute maximum junction temperature (TJmax) for this device is 150°C. The maximum allowable power dissipation is dictated by TJmax, the junction-to-am ...
Hot Swap Controller in 6-Lead TSOT Package ADM4210
Hot Swap Controller in 6-Lead TSOT Package ADM4210

... GATE Gate drive for the external N-channel MOSFET is achieved using an internal charge pump. The gate driver consists of a 12 μA pull-up from the internal charge pump. There are various pull-down devices on this pin. At a hot swap condition the board is hot inserted to the supply bus. During this ev ...
chapter 13
chapter 13

Lab #10 - facstaff.bucknell.edu
Lab #10 - facstaff.bucknell.edu

... resistor values, the charge and discharge times could be nearly the same, or one interval could be much longer than the other. Your choice will affect the duty cycle of the output pulse train, which in turn could affect the timbre (identifying quality, usually pronounced like “tamber”) of the sound. ...
Experiment No. 1. X
Experiment No. 1. X

... Ionizing radiation is a flux of subatomic particles (e. g. photons, electrons, positrons, protons, neutrons, nuclei, etc.) that cause ionization of atoms of the medium through which the particles pass. Ionization means the removal of electrons from atoms of the medium. A result of one such event is ...
EFit User Guide
EFit User Guide

II. The Equivalent Input Circuit
II. The Equivalent Input Circuit

... in solution to (14) assumed to be limited to  10%. The total equivalent amplifier offset voltage was assumed to be within  10 mV (rather conservative for modern operational amplifiers). Solution to (14) was sought for minimum and maximum negative conductance of the NIC applied (RN = - 20 M and RN ...
RF5189 3V, 2.45GHz LINEAR POWER AMPLIFIER Features
RF5189 3V, 2.45GHz LINEAR POWER AMPLIFIER Features

... The RF5189 is a two-stage device with a nominal gain of 25dB in the 2.4GHz to 2.5GHz ISM band. The RF5189 is designed primarily for IEEE802.11B WiFi applications where the available supply voltage and current are limited. This amplifier will operate to (and below) the lowest expected voltage made av ...
数据资料缩写本 DS28EL25 DeepCover安全认证器, 带有1-Wire SHA-256和4Kb用户EEPROM
数据资料缩写本 DS28EL25 DeepCover安全认证器, 带有1-Wire SHA-256和4Kb用户EEPROM

... Note 18: Current drawn from IO during the EEPROM programming interval or SHA-256 computation. The pullup circuit on IO during the programming and computation interval should be such that the voltage at IO is greater than or equal to VPUPMIN. A low-impedence bypass of RPUP activated during programmin ...
light dimmer fault simulation
light dimmer fault simulation

... This module must be composed of a double time-constant standard light dimmer circuit consisting of triac, diac, two control potentiometers, resistors and capacitors. A total of 20 faults must be switched on using switches located behind a cover. Typical faults: interruptions, short-circuit, faulty c ...
Diodes
Diodes

Electricity and Measurement Experiments
Electricity and Measurement Experiments

... misleading term "electromotive force". The source of E.M.F. is a device which maintains a potential difference between its terminals, and so provides the energy to maintain a current around the circuit. The E.M.F. is a measure of the electrical energy supplied to charge which travels from one termin ...
MAX16055 Ultra-Small, Hex Voltage, Microprocessor Supervisor General Description
MAX16055 Ultra-Small, Hex Voltage, Microprocessor Supervisor General Description

... The MAX16055 precision hex voltage microprocessor (µP) supervisory circuit monitors up to six system-supply voltages and asserts a single reset when any one supply voltage drops below its preset threshold. The device significantly reduces system size and component count while improving reliability c ...
達松發可動線圈 (D`Arsonval movement)
達松發可動線圈 (D`Arsonval movement)

... factor. For sine waves we see that RMS is equal to 0.707 times the peak value while Average is 0.637 times the peak, so we can divide one figure by the other to obtain an average-to-RMS conversion factor of 1.109: ...
LTM4619 - Dual, 26VIN, 4A DC/DC uModule Regulator
LTM4619 - Dual, 26VIN, 4A DC/DC uModule Regulator

... output capacitors. This module provides precisely regulated output voltages programmable via external resistors from 0.8VDC to 5.0VDC over 4.5V to 26.5V input voltages. The typical application schematic is shown in Figure 18. The LTM4619 has integrated constant frequency current mode regulators and ...
LTM4616 - Dual 8A per Channel Low VIN DC/DC uModule
LTM4616 - Dual 8A per Channel Low VIN DC/DC uModule

... to VOUT with a 10k precision resistor. Different output voltages can be programmed with an additional resistor between FB and GND pins. In PolyPhase® operation, tying the FB pins together allows for parallel operation. See the Applications Information section for details. ITH1 and ITH2 (F8 and M8): ...
High Speed Switching / QSK for the TL-922 and SB
High Speed Switching / QSK for the TL-922 and SB

... When driven by a voltage-limited current-source, a relay can be made to switch faster without the risk of insulation breakdown. A voltage-limited current-source can be constructed by placing resistors series with the TL-922's or SB-220's internal +110V power supply. The in-series speed-up resistors ...
a Dual-Loop 50 Mbps–2.7 Gbps Laser Diode Driver ADN2841
a Dual-Loop 50 Mbps–2.7 Gbps Laser Diode Driver ADN2841

... in Figure 2. Two key characteristics of this transfer function are the threshold current, ITH, and the slope in the linear region beyond the threshold current, referred to as slope efficiency, LI. ...
Basic Electrical Engineering
Basic Electrical Engineering

... inversely proportional to its cross-sectional area. All materials show some resistance, except for superconductors, which have a resistance of zero. The resistance (R) of an object is defined as the ratio of voltage across it (V) to current through it (I), while the conductance (G) is the inverse: ...
Elect.machine digita..
Elect.machine digita..

... Many people mistake this to mean that a transformer with 10% regulation will keep the output voltage to a value within 10% of nominal. That's simply not so. Let's take a look at what transformer voltage regulation is, and why it's useful to you. In any step down transformer, the secondary current pr ...
MAX530 +5V, Low-Power, Parallel-Input, Voltage-Output, 12
MAX530 +5V, Low-Power, Parallel-Input, Voltage-Output, 12

... The MAX530 is a low-power, 12-bit, voltage-output digital-to-analog converter (DAC) that uses single +5V or dual ±5V supplies. This device has an on-chip voltage reference plus an output buffer amplifier. Operating current is only 250µA from a single +5V supply, making it ideal for portable and batt ...
Electronic Devices and Circuits 19
Electronic Devices and Circuits 19

< 1 ... 179 180 181 182 183 184 185 186 187 ... 984 >

Current mirror

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being 'copied' can be, and sometimes is, a varying signal current. Conceptually, an ideal current mirror is simply an ideal inverting current amplifier that reverses the current direction as well or it is a current-controlled current source (CCCS). The current mirror is used to provide bias currents and active loads to circuits. It can also be used to model a more realistic current source (since ideal current sources don't exist).The circuit topology covered here is one that appears in many monolithic ICs. It is a Widlar mirror without an emitter degeneration resistor in the follower (output) transistor. This topology can only be done in an IC as the matching has to be extremely close and cannot be achieved with discretes.Another topology is the Wilson mirror. The Wilson mirror solves the Early effect voltage problem in his design.
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