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MultiSIM – Lab #7 - hrsbstaff.ednet.ns.ca
MultiSIM – Lab #7 - hrsbstaff.ednet.ns.ca

... The resistance of a Voltage Controlled Resistor (VCR) changes linearly as a function of the voltage. Its resistance is dependent on a pre-determined voltage. Dependent sources are used for circuit analysis but are not physical devices, thus are not available to be purchased in an electronics parts c ...
Voltage balancing resistors
Voltage balancing resistors

... some of the capacitors having voltages across them that could exceed their voltage ratings. Exceeding the voltage ratings of a capacitor will compromise the reliability of the capacitor and could have other severe and dangerous consequences. It is therefore important that this situation be avoided i ...
T2900 3 Ph. Differential Current Relay
T2900 3 Ph. Differential Current Relay

Circuit Theory
Circuit Theory

... Resistors are measured in Ohms (Ω), and there are lots of different values. ...
Bc307/308/309 PNP Epitaxial Silicon Transistor
Bc307/308/309 PNP Epitaxial Silicon Transistor

Electricity Electric Circuits
Electricity Electric Circuits

... • Use electrical symbols to draw simple circuit diagrams. • Distinguish between open and closed circuits. ...
FJV3 104R NPN Epitaxial Silicon Transistor
FJV3 104R NPN Epitaxial Silicon Transistor

... 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sus ...
Current Transducer LTSR 6-NP I = 6 At
Current Transducer LTSR 6-NP I = 6 At

ECE51602012springfinals
ECE51602012springfinals

... voltage due to ACCM for the following transmission line at 5 GHz. Driver ...
bipolar junction transistors
bipolar junction transistors

...  The BJT has two pn junctions, the base-emitter junction and the base-collector junction.  The two types of transistors are pnp and npn.  For the BJT to operate as an amplifier, the base-emitter junction is forward-biased and the collector-base junction is reverse-biased.  Of the three currents ...
ULN2003,04APG/AFWG
ULN2003,04APG/AFWG

Mar 2003 Triple and Quad RGB Amplifiers Deliver Full Performance on 3.3V
Mar 2003 Triple and Quad RGB Amplifiers Deliver Full Performance on 3.3V

... that provides a full-time status of the lamp load, whether it is activated or not. Figure 6 shows a circuit using the LT1716 for monitoring a typical automotive lamp-load. The LT1716 is shown powered from a logic-voltage supply of 3V, while it monitors a lamp powered from a battery system supply lik ...
Series and Parallel Circuits
Series and Parallel Circuits

... An unknown resistance can be found using Ohm’s law as R = V ÷ I, if you know the current and the voltage drop through the resistor. Use Kirchhoff’s current and voltage laws as necessary. ...
DN-103 Controlling a -5V Rail Using UCC2913 +3V to +8V Hot-Swap Power Manager
DN-103 Controlling a -5V Rail Using UCC2913 +3V to +8V Hot-Swap Power Manager

... Amplifier and Overcurrent comparators and therefore allows direct connection from the sense resistor to the CSP and CSN pins. The external n-channel MOSFET should be placed between the load and the input source (–5V) to provide adequate gate drive voltage when the load is switched on. ...
LTSR 15-NP
LTSR 15-NP

Course summary for Unit 3 "Electronics and photonics"
Course summary for Unit 3 "Electronics and photonics"

... Light Emitting Diodes (LEDs) are diodes that emit light when a current pass through them. Their graphs is similar to that of an ordinary diode, but they need a voltage in excess of 1.7 V to conduct and emit light. Photodiodes are diodes used in the reverse bias mode that is the left half of the abov ...
Linear Voltage regulators
Linear Voltage regulators

... 9.Boosting IC regulator output current It is possible to boost the current of a three terminal regulator by connecting an external pass transistor in parallel with the regulator. When load current increases , the voltage drop across R1 increases. When this is approximately 0.7V, the transistor Q1 tu ...
ee 420 – engineering electronics ii
ee 420 – engineering electronics ii

... cascode loads and cascode diff-amps wide-swing differential amplifiers Voltage references MOSFET-resistor references diode-based references, bandgaps, PTAT/CTAT references short-channel reference design Operational amplifiers two-stage op-amps, dc/ac operation, offsets, CMRR, PSRR compensating for s ...
OSI
OSI

... The WL50 series of transducers provides a relay output with a pulse rate proportional to measured energy consumption (kWh). An optional analog output signal proportional to Watts is also available. High-accuracy, split-core, current transformers are supplied with the transducers in current ranges up ...
S04_EXAM_Final_Sol - Engineering Class s
S04_EXAM_Final_Sol - Engineering Class s

... The response speed of a bipolar junction transistors is inversely dependent, to first order, on the square of base region width .  ANS. #3b The base-emitter junction is forward biased in the linear regime, thereby giving rise to both a depletion component and a diffusion component of net junction c ...
Lecture 1 - ECE 2006 - University of Minnesota Duluth
Lecture 1 - ECE 2006 - University of Minnesota Duluth

... – Voltage: Sum the voltages around a loop to Zero – Current: Sum the currents around a node to Zero ...
E i ill i I2
E i ill i I2

... duces a voltage drop, which voltage drop is determined Thus, 14 no longer contains the spread in width Ab, but by the input voltage across a second resistor which is only the nominal width b, i.e. the output current IA no arranged in the circuit branch, which has the same longer depends on the sprea ...
Document
Document

Introduction
Introduction

lec6-elec
lec6-elec

< 1 ... 865 866 867 868 869 870 871 872 873 ... 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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