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An Activity You Can`t Resist
An Activity You Can`t Resist

Answers Module 2 Units 1
Answers Module 2 Units 1

Mar 2008 - Voltage and Current Monitoring from 7V to 80V in 3mm × 3mm DFN-10
Mar 2008 - Voltage and Current Monitoring from 7V to 80V in 3mm × 3mm DFN-10

... pins. ADIN is connected to the two inputs after the fuses through a Y divider. Diodes D3 and D4 compensate the diode-OR D1 and D2. The voltage at ADIN varies as the status of the fuses changes, as shown in the table in Figure 5. Since the ADIN voltage is approximately ratiometric to VIN, the results ...
Design and Development of a Maximum Power Point Tracking
Design and Development of a Maximum Power Point Tracking

... Ahsanullah University of Science and Technology, Dhaka,. 2 Bondstein Technologies Ltd., Dhaka, Bangladesh ...
LTC1152 - Rail-to-Rail Input Rail-to-Rail Output
LTC1152 - Rail-to-Rail Input Rail-to-Rail Output

... time. This diode can stand short-term peak currents of about 50mA, allowing it to quickly charge external capacitance to ground or V –. Large capacitors (>1µF) should not be connected between pin 8 and ground or V – to prevent excessive diode current from flowing at start-up. The LTC1152 can withsta ...
Document
Document

... (Vm’s, In’s set to zero) ...
Adventures in Electrical Engineering
Adventures in Electrical Engineering

... In this portion of the project, you are to design a power/current model for a room. You are to design the room around required electrical items, plus any other items you wish to add to the room. You decide what size and how many circuit breakers are needed for the room. You must first find out the p ...
Parameter list for SCRs, TRIACs, AC switches, and DIACS
Parameter list for SCRs, TRIACs, AC switches, and DIACS

Basic Circuitry2 - Electro Tech Online
Basic Circuitry2 - Electro Tech Online

... What is electricity? (electron flow)  Atoms have electrons orbiting the nucleus of the atom.  Some electrons on the outer orbits can jump from one atom to the next atom  When an electron moves, it leaves a ‘hole’ in the orbit for another electron to jump into  That electron leaves another hole, ...
AC Circuits
AC Circuits

... maximum value of Imax is not the same as that of a DC current of the same value The maximum current occurs for a small amount of time ...
MAX1574 180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN
MAX1574 180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN

... The MAX1574’s 180mA output capability makes it suitable for driving white LED camera strobes/flashes. For example, the typical operating circuit drives a 3-LED flash module with up to 60mA/LED. To ensure 180mA total drive capability at low input voltages, increase C1 to 0.47µF. To drive fewer or mor ...
Physics 250 - WordPress.com
Physics 250 - WordPress.com

... You are to complete this Homework Assessment through the use of your text, notes, and brain. You are not to receive aid on this assignment from your classmates, friends, teachers, or other similar source. Answer all questions completely on a separate piece of paper. ...
Lesson-22
Lesson-22

... Let us take two circuits with identical resistance, but one is connected to a battery and the other to a sinusoidal voltage source. Wattmeters are employed to measure heat power in each circuit. The voltage applied to each circuit is so adjusted that the heat power produced in each circuit is the s ...
switched inductor/switched-capacitor combined active
switched inductor/switched-capacitor combined active

... converter, SC-boost and ANC have been proposed. The SL and SC cell is utilized in voltagetype and current-type Z-source inverters, respectively. However, the voltage gain is still not high enough with either SL or SC cell In order to achieve a high step-up voltage gain with high efficiency, many res ...
MAX8875 150mA, Low-Dropout Linear Regulator with Power-OK Output General Description
MAX8875 150mA, Low-Dropout Linear Regulator with Power-OK Output General Description

... for VOUT = 1.5V. To reduce noise and improve loadtransient response, stability, and power-supply rejection, use large output capacitor values, such as 10µF. Note that some ceramic dielectrics exhibit large capacitance and ESR variation with temperature. With dielectrics such as Z5U and Y5V, it may b ...
FSL106HR Green Mode Fairchild Power Switch (FPS™) Features
FSL106HR Green Mode Fairchild Power Switch (FPS™) Features

... (PWM) and SenseFET is specifically designed for highperformance offline Switch-Mode Power Supplies (SMPS) with minimal external components. FSL106HR includes integrated high-voltage power switching ...
MAX1804 External Four-Input Feedback Integrator for Power Supplies General Description
MAX1804 External Four-Input Feedback Integrator for Power Supplies General Description

... drops across switches and connectors that occur in the power-supply distribution line. The MAX1804 includes four remote-sense inputs and an output that connects to a voltage regulator’s feedback divider. It can be used with any regulator or controller with a high-impedance feedback input. Its OUT pi ...
14ELN15_Question Bank
14ELN15_Question Bank

a AN-591 APPLICATION NOTE ADM1070 Hot Swap Controller
a AN-591 APPLICATION NOTE ADM1070 Hot Swap Controller

... control the load current. It requires a few other external components to operate, such as a shunt resistor, two divider resistors, and a SENSE resistor. A 16 kΩ shunt resistor is required between the 0 V line and the VIN pin to power the part. Resistors R1 and R2 form a resistor divider that scales ...
PSM05S93E5-A
PSM05S93E5-A

... All capacitors should be mounted as close to the terminals as possible. (C1: good temperature, frequency characteristic electrolytic type and C2:0.22μ-2μF, good temperature, frequency and DC bias characteristic ceramic type are recommended.) Input drive is High-active type. There is a minimum 3.3kΩ ...
Document
Document

... • When Vin < Vref, Vout is pulled high (through the pull-up resistor— usually 1 k or more) – this arrangement is called “open collector” output: the output is basically the collector of an npn transistor: in saturation it will be pulled toward the emitter (ground), but if the transistor is not driv ...
Document
Document

Electric Current
Electric Current

Experiment No
Experiment No

... waveforms in proper time phase, 2, Open switch 81, Increase AF generator output until Vin is at same level as in step 1, With the oscilloscope measure and record the signal voltage VAS across points AB. Compute the input base signal in by substituting VAB in the formula: ...
Ohm`s Law
Ohm`s Law

< 1 ... 634 635 636 637 638 639 640 641 642 ... 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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