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Electrical Engineering Forum
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Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...
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Title
Creating a Timing Circuit (LM555) with Adjustable T1 & T2
Nov 26, 2008
Replies
6
Views
6K
Electric Circuit to solve with nodal analysis
Nov 26, 2008
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9K
Susceptibility of low current circuits - OpAmp solution?
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Designing a battery operated solenoid
Nov 24, 2008
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7K
Why Do We Use the Inverse Impulse Response in Practical Applications?
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Nov 23, 2008
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The nono technology and bio mems
Nov 23, 2008
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I am trying to work out the BW of my transformer
Nov 23, 2008
Replies
4
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Replies
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34K
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Replies
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4K
Does actual voltage (potential) affect capacitance?
Nov 22, 2008
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26K
Is 16V Too High for a 74151A MUX Input?
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Replies
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2K
CCMRR Common to Common Mode Rejection Ratio
Nov 21, 2008
Replies
3
Views
9K
Can a Copper Cable Effectively Pick Up Terahertz Signals?
Nov 21, 2008
Replies
4
Views
2K
Why Does an Op-Amp Voltage Follower Not Saturate Despite High Input Differences?
Nov 21, 2008
Replies
12
Views
20K
Urgent Help with AM Modulator Circuit - Resistor Value Assistance Needed
Nov 21, 2008
Replies
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Premium electromagnet core material
Nov 21, 2008
Replies
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35K
Brushless DC Motors suitable for Underwater?
Nov 21, 2008
Replies
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12K
Ground in RF System: Separating Analog and Digital
Nov 20, 2008
Replies
1
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4K
What Size Rheostat for 110 VAC 400 W Drymount Press?
Nov 20, 2008
Replies
4
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4K
What are the best settings for charging a 24v 12ah Lead Acid Battery?
Nov 20, 2008
Replies
1
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4K
Why Telcom Equipments are fed with -48V
Nov 20, 2008
Replies
3
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3K
Wave length and transmission line
Nov 19, 2008
Replies
5
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6K
Control theory: Laplace versus state space representation
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Replies
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Understanding the Principle of a Steel Bar Sensor: Explained by Experts
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Replies
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Magnetic Induction In terms of Creating Charge
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Replies
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Dual polarity power supply circuit question
Nov 18, 2008
Replies
10
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11K
Any Recommendations for Circuit Simulation Tools in Linux?
Nov 18, 2008
Replies
2
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5K
Building a Tank Circuit: Ground Connection Needed
Nov 17, 2008
Replies
10
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7K
What Is the Role of an Integrator in a Differential Amplifier's Feedback Path?
Nov 17, 2008
Replies
7
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6K
Frequency Response of NI Elvis Board: Calculating Amplitude Error
Nov 17, 2008
Replies
2
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5K
Harnessing Energy from Stopping Vehicles
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2K
How Does the Timing of CLK Influence J-K Flip Flop Waveforms?
Nov 16, 2008
Replies
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9K
Current waveforms in transformers and rectifiers
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Replies
1
Views
7K
Why does the resistance of an inductor vary with frequency?
Nov 16, 2008
Replies
3
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4K
What Does CCW Mean for a DC Blushless Motor?
Nov 16, 2008
Replies
2
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2K
A few questions about Butterworth Filter
Nov 16, 2008
Replies
1
Views
5K
Designing a Digital Timer to Automate Geyser Control
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Replies
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5K
Electric field polarization in different stations
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Replies
1
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2K
High Voltage & Low Current Sources: Explained
Nov 15, 2008
Replies
5
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8K
Connect PSpice w/ Comsol: Experiences & Examples Needed
Nov 15, 2008
Replies
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Calculating Watts to Air Temperature Rise in a Given Area
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Replies
11
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59K
UPS Load Problem: Solutions & Recovery
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Replies
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Instant change of current in an inductor
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Replies
4
Views
4K
How do I safely build a variable DC power supply for my electronics projects?
Nov 13, 2008
Replies
4
Views
7K
Need a countdown timer that I can breadboard
Nov 12, 2008
Replies
10
Views
8K
What is CV rating and its significance in capacitor specifications?
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Replies
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15K
Effect of temperature on voltage
Nov 12, 2008
Replies
3
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22K
Why do semiconductors with wider band-gaps have higher output voltage?
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Replies
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10K
Transformer short circuit fault calculation clarification
Nov 12, 2008
Replies
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26K
I-V Characteristics of Photovoltaic cells
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Replies
4
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20K
Question abt making a spefic circuit
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Replies
3
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2K
Li-Ion Constant Current Constant voltage charger
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Replies
2
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6K
What are the challenges in selecting a conductive coating for HF applications?
Nov 11, 2008
Replies
5
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5K
What are some examples of software malpractice in Electrical Engineering?
Nov 11, 2008
Replies
3
Views
2K
Where can I find microcontrollers for small quantity orders?
Nov 11, 2008
Replies
1
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2K
Multi-Phase Circuit Modification Help Needed
Nov 11, 2008
Replies
3
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2K
How Can I Transmit Stereo Audio Signals Using a Laser?
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Replies
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10K
PWM Duty Cycle: Motor Speed Control Explained
Nov 10, 2008
Replies
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6K
Guys, I have a question regarding a mathematical equation of a transformer
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Replies
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How Can I Build a Christmas Light Controller That Syncs with Music?
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Play with a handyboard from MIT?
Nov 10, 2008
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2K
Magnetic Shielding for 3-Axis Test Equipment
Nov 10, 2008
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Sizing Generator for 10hp Petter Diesel Engine | KVA Alternator
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4K
Control Board Power: Efficient Voltage Pull Off Large DC Bus
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Replies
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2K
24V to 5V Power Supply Solution for AVR & Other Stuff
Nov 9, 2008
Replies
4
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3K
Driving Power MOSFETs with a 5V Trigger
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Replies
5
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7K
What Is an Impedance Matching Transformer?
Nov 9, 2008
Replies
11
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5K
Synchronous Motors: Can Rotor Spin with 3-Phase AC Supply?
Nov 9, 2008
Replies
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4K
What is the Science Behind Wireless Power Demonstrations?
Nov 8, 2008
Replies
2
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2K
AVR fault possible? Can you help?
Nov 7, 2008
Replies
1
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4K
Photonic crystal operation faster than electronics?
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Replies
1
Views
2K
Capacitor & AC: Questions Answered
Nov 6, 2008
Replies
2
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2K
Help! My Flashing LED Circuit Isn't Working
Nov 5, 2008
Replies
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2K
How Can I Calculate Power Requirements from a Sensor Datasheet?
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Replies
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6K
Can Radio Waves Penetrate Through a Solid Steel Box Enclosing an RF Transmitter?
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Replies
2
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18K
Voltage and Current in a Resistor Network
Nov 4, 2008
Replies
1
Views
2K
Can the LF351N op-amp accurately measure light intensity in a fish tank?
Nov 3, 2008
Replies
4
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Analysis of Circuits for EET Majors: Algebra or Calculus?
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Replies
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Satellite TV & Radio dish & antenna question
Nov 2, 2008
Replies
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11K
Stuffing a PCB: The Complete Guide
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Replies
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Independent Research Project Need Help
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Replies
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4K
Speaker Impedance: Effects on Sound Quality & Power
Nov 1, 2008
Replies
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4K
Need help designing a circuit for my car
Oct 31, 2008
Replies
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2K
2 150kva generators feeding a 1200 amp service
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Replies
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2K
Connect Telephone Line to CM8870 DTMF Decoder
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Replies
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4K
How to Build a Circuit to Detect a Black Line?
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Replies
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Views
3K
Parallel circuit with resonant branch
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Replies
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Views
4K
Understanding the V(in)=V(max).sin(wt) Formula for DC Smoothing Circuits
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Understanding Reactive Power in AC Circuits: Impact of Capacitors on Total Q"
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Replies
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4K
Voltage in coil due to moving in EM field
Oct 30, 2008
Replies
1
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3K
Calculating RoE for AC Equivalent Transistor Amplifiers
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Replies
4
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3K
What is the maximum output of a vehicle alternator and how can it be calculated?
Oct 29, 2008
Replies
11
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16K
Constraining the path of an infrared LED
Oct 28, 2008
Replies
13
Views
5K
Where can I find a 100V DC power supply with 15A output?
Oct 28, 2008
Replies
5
Views
4K
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