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EC: Electronics and Communication Engg.
EC: Electronics and Communication Engg.

resistance - TuHS Physics Homepage
resistance - TuHS Physics Homepage

04.AnalyzingSeriesCircuitsWNotes
04.AnalyzingSeriesCircuitsWNotes

TS321_B15
TS321_B15

... class B in a large signal mode. This allows the amplifiers to both source and sink large output currents. Therefore both NPN and PNP external current boots transistor can be used to extend the power capability of the basic amplifiers. The output voltage needs to raise approximately 1 diode drop abov ...
Ohm`s Law Worksheet
Ohm`s Law Worksheet

... 3. A _______________ is the electric pressure required to produce one ampere of current in a circuit having one ____________ of resistance. 4. Electric pressure (E) is measured in _______________ (____): the rate of electron flow (____) is measured in amps (_____), the ________________ (R) is measur ...
Electricity NOTES
Electricity NOTES

Direct Current Circuits - GTU e
Direct Current Circuits - GTU e

... If R is much greater than r, than most of the power from the emf is transferred to the load resistance ...
Misconception Problems
Misconception Problems

meres stilusfajl
meres stilusfajl

... After setting jumpers JP7, JP14 ON and JP15 OFF, connect a 1 kHz square-wave signal to the input! 2.4.1 Observe the time function of the output signal and measure its rise time and top-drop! (Which time constant is related to top-drop?) 2.4.2 Connect jumper JP7 and measure the rise time in that case ...
Chapter16
Chapter16

... – Have different electrical properties – Differences result in different voltagecurrent relationships ...
Electricity 4
Electricity 4

... means figuring out information on the diagram and THEN answer the given questions. BIG HINT: There are going to be a lot of numbers on the circuit when you are done. You will NOT be able to make sense of the diagram if you don’t include units. ...
5100-C Digital Output Module Datasheet
5100-C Digital Output Module Datasheet

DSL  Primary Switched Battery Charging and Power Supply Unit GL1024
DSL Primary Switched Battery Charging and Power Supply Unit GL1024

Ohm`s Law
Ohm`s Law

... applied to a silver wire of same cross sectional area, there will be a difference in the current within the wire. This characteristic of the wire is known as the resistance. Ohm’s law is the assertion that the current through a device is always directly proportional to the potential difference appli ...
Protek PM150 Series
Protek PM150 Series

1.98 x 10 -2 V
1.98 x 10 -2 V

Current - St John Brebeuf
Current - St John Brebeuf

... 7) Calculate the voltage supply needed to produce a current of 12A when used with a 48 ohm resistor ...
Current / Voltage Graphs
Current / Voltage Graphs

... These graphs allow you to predict how the component will behave when the conditions are changed. It is very important to know, since this will affect the circuit in which it is placed. You need to memorise graphs for the following… ...
Block diagram of the light sensor is depicted in Figure 1. We are
Block diagram of the light sensor is depicted in Figure 1. We are

The Typical Op-Amp
The Typical Op-Amp

Power Point Slides
Power Point Slides

... Carrier movement Collector “collection” efficiency (Alpha) Asymmetry: Efficiency / Breakdown voltages ...
I = 200 .. 800 A
I = 200 .. 800 A

Measuring Voltages and Currents
Measuring Voltages and Currents

... In an ideal case, the ammeter will not produce a voltage across itself. This is equivalent to stating that an ideal ammeter looks like a short circuit (i.e. the resistance across it is zero). This is because if it did develop a voltage, it would change the values of the currents and voltages across ...
PhET Circuit Construction Kit
PhET Circuit Construction Kit

... push play on the phet, then push play in the pop up it should open in java 1. Build a circuit using wires, a battery, and a light bulb **Draw your circuit on the front of your iNotebook** 2. Make sure the current is showing and is “attached” to a wire in your circuit 3. Turn the voltage chart on and ...
Lecture 15: Moore`s Law and Dennard Scaling
Lecture 15: Moore`s Law and Dennard Scaling

... Note the rapid 3- and then 5-year shifts in ITRS projections for physical gate lengths. ...
< 1 ... 885 886 887 888 889 890 891 892 893 ... 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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