Electrical Engineering Forum

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...

Threads

Can I Use My 12V TV in My RV Without a Regulator?

  • turner7A8
  • · Replies 3 ·
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3

Understanding Electricity Basics: Volts, Amps, Watts, Ohms & Conversions

  • richieprn
  • · Replies 7 ·
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7

Solid State Relay Circuit Symbol?

  • Shadrack
  • · Replies 5 ·
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5

How Can CAD Software Simplify Complex 7-Variable Boolean Functions?

  • electronic engineer
  • · Replies 1 ·
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1

Understanding and Using AT89C52 Microcontroller Ports for Beginners

  • beluluk
  • · Replies 4 ·
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4

How Do You Calculate AC Ripple in DC Power Supplies?

  • FredGarvin
  • · Replies 2 ·
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2

How Do Home Appliances Manage Fluctuating Circuit Currents?

  • seang
  • · Replies 3 ·
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3

How Quickly Can You Convert a Circuit Design to a PCB Layout?

  • Locha
  • · Replies 15 ·
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15

Siemens fc10 to compare 2 strings

  • Stanley_Smith
  • · Replies 1 ·
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1

Analyzing a Wien-Bridge Oscillator for Stability: Techniques and Tips

  • Gokul43201
  • · Replies 4 ·
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4

Maximizing FM Radio Reception with a Satellite Dish: Is it Possible?

  • dimensionless
  • · Replies 10 ·
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10

Cell phone, mp3 player in the lab

  • silin
  • · Replies 1 ·
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1

What chip can I use to boost IR signal for my projector?

  • triden
  • · Replies 6 ·
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6

Where Do Input Terminals Go in a Low Voltage Indicator Circuit?

  • banerjeerupak
  • · Replies 6 ·
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6

Sequential lights(i.e brake or turn signals)

  • HappMatt
  • · Replies 3 ·
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3

Operating NE555 as astable vibrator

  • electronic engineer
  • · Replies 5 ·
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5
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1

Beat Frequency: Can Inductive Coupling Work?

  • Jdo300
  • · Replies 13 ·
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13

Modeling the Input Impedance of an Amplifier

  • dimensionless
  • · Replies 5 ·
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5

Buck Converters: Why NFETs and not Diodes

  • xw3850
  • · Replies 3 ·
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3

Project Ideas for Electronics Engineering Student

  • indian_tiger
  • · Replies 3 ·
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3

How can the NE555 be used to create a NOT GATE?

  • electronic engineer
  • · Replies 3 ·
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3

Why Does Switch Size Depend on Stored Energy & Inductance?

  • cabellos
  • · Replies 1 ·
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1

Motor Accel Calcs: ETAP & Hand Calculations - Technologist in Training

  • Suerbatica
  • · Replies 4 ·
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4

Saturable Reactors: Power Control with Permanent Magnets

  • Jdo300
  • · Replies 1 ·
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1

Frequency division multiplexing

  • gnome
  • · Replies 2 ·
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2

Some questions about the capacitor

  • x64bob
  • · Replies 18 ·
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18

Designing a frequncy synthesizer

  • Shahil
  • · Replies 20 ·
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20

VOR Circuit Test: Learn More About Aviation Testing

  • karim102
  • · Replies 2 ·
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2

Problem with a electric circuit

  • hard_worker
  • · Replies 4 ·
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4

LC circuit with air core inductor

  • Jdo300
  • · Replies 2 ·
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2

Can Three Switches Control a Light?

  • .....
  • · Replies 2 ·
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2

Anyone know of a place that sells 10 farad capacitors rated at 20k volts

  • Agnostic
  • · Replies 17 ·
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17

Transformers in electric trains?

  • cabellos
  • · Replies 1 ·
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1

Converting from mag to electronic

  • wolram
  • · Replies 13 ·
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13

Question about microcontrollers

  • electricalcoolness
  • · Replies 3 ·
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3

Resistor Wattage: Higher or Lower for Low Resistance & Cooler?

  • mrjeffy321
  • · Replies 12 ·
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12

Can DC Motors Function Without a Commutator?

  • GeekyGuy
  • · Replies 4 ·
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4
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4

How Does Voltage Couple Through a Capacitor in an Astable Multivibrator?

  • Firefox123
  • · Replies 2 ·
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2

Software for Solving Electrical Circuits

  • heman
  • · Replies 3 ·
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3

How do I correctly position A1 and A2 in overdamped parallel RLC circuit?

  • sevens
  • · Replies 12 ·
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12

Analog joystick controlling stepper motor

  • frogdogbb
  • · Replies 4 ·
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4

Appliance Transformers: Output Specifications & Replacements

  • FredGarvin
  • · Replies 9 ·
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9

What Constitutes the Base Recombination Current in a PNP BJT?

  • antonantal
  • · Replies 3 ·
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3

Why Do Some Media Propagate Only Analogue Signals?

  • adzo
  • · Replies 2 ·
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2

Solve Power Supply Questions: Electrical Engineering Forum Help!

  • Shadrack
  • · Replies 5 ·
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5

UEGENT: Don't know how to do one past examination question

  • tungtung2004
  • · Replies 1 ·
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1

Which Graphing Calculator is Best for EE: TI-89 Titanium vs. HP 49g+

  • abdo375
  • · Replies 9 ·
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9

Does Weak Doping Affect Bipolar Transistor Breakdown Voltage?

  • antonantal
  • · Replies 2 ·
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2

Afaid I might blow up my DVD player. 115V and 200v outlet question.

  • hkhil
  • · Replies 7 ·
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7

Designing a Solenoid Driver Circuit - Max Force of 2.75 lb

  • Mike Phan
  • · Replies 1 ·
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1

Lowpass Butterworth & Bandpass Filters

  • asdf26asdf26
  • · Replies 2 ·
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2

Electric Drag Racing - National Association (NEDRA)

  • Antiphon
  • · Replies 9 ·
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9

How can I prevent my NE555 timer from being triggered upon power ON?

  • Mike Phan
  • · Replies 9 ·
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9

How to Design Various 4-bit Counters with Directional Inputs?

  • olimain
  • · Replies 8 ·
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8

Electric Current Direction: + to - or - to +?

  • chound
  • · Replies 3 ·
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3

FlukeView: Copying Waveform Data to Excel

  • dahlungril
  • · Replies 3 ·
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3

DC Series Motor Drum Controller

  • nehasfun
  • · Replies 3 ·
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3

What is the reason behind expensive phone calls?

  • Lila
  • · Replies 2 ·
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2

Running 1500W off car batteries

  • Erazman
  • · Replies 16 ·
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16

Designing Isolation Transformer A/C: Single & Three Phase Input

  • Shilpa_nitin
  • · Replies 3 ·
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3

Powering a Piezoelectric Transducer - Brett

  • brspurri
  • · Replies 3 ·
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3

Trying to learn about netlists.

  • Maxwell
  • · Replies 2 ·
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2

How Does a T-Type LCR Filter Affect AC Ripple in DC Output?

  • copresh1
  • · Replies 11 ·
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11

Gyrator circuit that simulates an inductance

  • infirmus
  • · Replies 1 ·
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1

How do resistor values affect the operation of a BJT transistor?

  • ajack
  • · Replies 1 ·
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1

Understanding J-K Flip Flops and Timing Diagrams

  • variable
  • · Replies 1 ·
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1

How Are Armature Coils Configured in Synchronous Machines?

  • phantom_photon
  • · Replies 4 ·
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4

Controlling Sensor Through Labview: Role of Diode?

  • georgeh
  • · Replies 7 ·
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7

Do microcontrollers have cache?

  • EvLer
  • · Replies 4 ·
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4

Silicon photonics to take over CPU Industry?

  • JoshHolloway
  • · Replies 7 ·
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7

Help with Op-Amps: Solve for V_out & Resistor Relationships

  • ENGRstudent
  • · Replies 23 ·
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23

Why is Digital Butterworth lowpass?

  • karen03grae
  • · Replies 7 ·
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7

Comparing 460VAC/230VAC & 440VAC/220VAC Transformer Voltages

  • Stanley_Smith
  • · Replies 1 ·
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1

Current/Voltage rating on power cord

  • maverick99
  • · Replies 2 ·
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2

Fine tuning a cylindrical Capacitor

  • mparvin
  • · Replies 3 ·
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3

Size of a 20MW Synchronous Motor for Ship Propulsion

  • gcomyn
  • · Replies 5 ·
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5
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19

MSC 03906GRF - 0043 Datasheet Request

  • schnitzer
  • · Replies 4 ·
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4
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1

Speed/field current relationship of a dc machine

  • cabellos
  • · Replies 1 ·
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1

Parabolic Photovoltaic Solar Tower

  • Solarguy
  • · Replies 1 ·
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1

Highest attainable frequencies by a transmitter

  • chromosome24
  • · Replies 10 ·
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10

AC Motor - 120v to 220v static conversion problem

  • Ken Lavis
  • · Replies 3 ·
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3

Motor-Generated Radio: Investigation of a Strange Phenomenon

  • Ivan Seeking
  • · Replies 13 ·
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13

Understanding the Technology Behind Touch Screens

  • fargoth
  • · Replies 5 ·
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5

Homework on RC, RL and RLC circuits

  • Cyrus
  • · Replies 16 ·
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16

Solving RLC Circuit Problem: Underdamped CKT Roots

  • Isma
  • · Replies 1 ·
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1

Determining Signal Spectra from Fourier Transform: 100 kHz Impulse Train

  • electricalcoolness
  • · Replies 4 ·
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4

Spectral Density: What Is It & What Isn't?

  • dervast
  • · Replies 1 ·
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1

Calculate Current in a 50 Ohm Resistor from Half Wave Rectified Voltage

  • cleas001
  • · Replies 3 ·
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3

What Are the Key Applications and Technical Aspects of Radio Frequency Imaging?

  • Beer-monster
  • · Replies 3 ·
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3

Why Does XL = XC in Capacitor & Inductive Circuit?

  • karim102
  • · Replies 5 ·
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5

AC vs DC Simulation: Understanding the Difference

  • DivGradCurl
  • · Replies 2 ·
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2

How can I generate a triangle wave using an op-amp?

  • electronic engineer
  • · Replies 3 ·
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3

Fixing a Hartke A35 Bass Amp: 220V Power Source Issue

  • jkv6391
  • · Replies 6 ·
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6

How to Maximize the Strength of an Electric Magnet

  • rczmiller
  • · Replies 6 ·
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6

Solve Spice Simulation Error: " .END Card Missing

  • ranger
  • · Replies 12 ·
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12

What electronic comonents damaged in an EM Pulse

  • kenimpzoom
  • · Replies 3 ·
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3