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EE 321 Analog Electronics, Fall 2011 Homework #8 solution
EE 321 Analog Electronics, Fall 2011 Homework #8 solution

LAB 2 Circuit Tools
LAB 2 Circuit Tools

Power and Energy Practice Sheet
Power and Energy Practice Sheet

... 4. A refrigerator operates on average for 10.0 h a day. If the power rating of the refrigerator is 700 W, how much electrical energy does the refrigerator use in 1 day? (make sure to convert to kW) Show work: Answer ________________ 5. A TV with a power rating of 200 W uses 0.8 kWh in one day. For h ...
regulated, programmable, low power consumption, high
regulated, programmable, low power consumption, high

... Due to the pulse-burst-mode topology used to achieve ultra-low power consumption, the output variation is larger than the other typical EMCO designs. The actual ripple amplitude and frequency depend on both the load current and the output voltage setting. The adjacent table shows the ripple characte ...
- Muhazam
- Muhazam

... • Electrical Law relating Current, Potential and Resistance ...
Cascaded Op Amp Circuits
Cascaded Op Amp Circuits

Op amp - schoolphysics
Op amp - schoolphysics

... hence derive an expression for V2 in terms of V1 and the values of the circuit components. The current, I, through a certain device varies with applied potential difference, V according to the relation I= IoekV where Io and k are constants. If R2 is replaced by this device, write down an expression ...
Physics of a BJT
Physics of a BJT

Some hints regarding Thevenin Equivalents and Circuits with
Some hints regarding Thevenin Equivalents and Circuits with

... Normally, one can find RTH by using RTH = (VOC / ISC ). However, what is the value of 0V/0A ??? The answer: we do not know. (RTH is NOT equal to 2R || R. You can only zero out independent sources.) A different approach is needed. RTH is the resistance seen looking back into the circuit when all inde ...
Electronic - Physics4IGCSE
Electronic - Physics4IGCSE

... which will decrease the ________ across the variable resistor 2) This will cause VOUT to ____. The____ gate will recognise this as a “0” and convert it into a “1”, i.e. a current will flow into the resistor 3) The resistor limits the amount of current flowing into the transistor, to avoid __________ ...
2SD2700
2SD2700

... means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Applica ...
EIGHT DARLINGTON ARRAYS
EIGHT DARLINGTON ARRAYS

... B ...
Worksheet: Chapter 34 Test Review
Worksheet: Chapter 34 Test Review

... 3. What are the units for the following: a. voltageb. currentc. charged. powere. resistancef. potential difference4. In solid conductors, electric current is the flow of _____________________. 5. What is the frequency of AC current in North America? 6. Any path along which electrons can flow is call ...
Mar 2008 - Tiny, Fast and Efficient Comparator Regenerates Clock Signals up to 3MHz
Mar 2008 - Tiny, Fast and Efficient Comparator Regenerates Clock Signals up to 3MHz

... comparators use an open collector or open drain type output stage to enable ...
CPC1822 - Sparkfun
CPC1822 - Sparkfun

EE 221 Review 1
EE 221 Review 1

... The algebraic sum of the currents entering any node is zero. iA + iB - iC - iD = 0 ...
Elecrtonics_L1
Elecrtonics_L1

US6T7
US6T7

... means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Applica ...
05 May 2012 MGB Tachometer Circuit (please report errors to Terry
05 May 2012 MGB Tachometer Circuit (please report errors to Terry

A Very–High Impedance Current Mirror
A Very–High Impedance Current Mirror

Chapter 5 Transistor Bias Circuits
Chapter 5 Transistor Bias Circuits

Experiment No. 3 Clipping and Clamping Circuits
Experiment No. 3 Clipping and Clamping Circuits

2SB1731
2SB1731

... means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Applica ...
LM3915 Dot/Bar Display Driver
LM3915 Dot/Bar Display Driver

2SB1690K
2SB1690K

< 1 ... 931 932 933 934 935 936 937 938 939 ... 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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