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

Aaah - sin(wt) - time or frequency domain?

  • LM741
  • · Replies 16 ·
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16

Questions for EE's who have already graduated from college

  • kcirtap
  • · Replies 7 ·
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7

Strange Effects When Nitinol is Annealed at 300 C electrically

  • scott_alexsk
  • · Replies 3 ·
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3

Good design for a PWM that has a adjustable start current and. .

  • rockstar
  • · Replies 3 ·
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3

Difference between reactive power and reactance

  • rockstar
  • · Replies 2 ·
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2

PWM h-bridge controller using p-type MOSFETs without voltage pump

  • rockstar
  • · Replies 3 ·
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3

How do I identify source and drain in MOSFET symbols?

  • mtanti
  • · Replies 25 ·
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25

Why is coaxial cable impedance independent of length?

  • antonantal
  • · Replies 7 ·
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7

How did scientists invent major electronic devices?

  • Knowledger
  • · Replies 4 ·
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4

Light Up 10 LEDs with 100k Log Pot

  • Rolandus
  • · Replies 7 ·
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7
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6

Noise reduction and square wave/sine function question

  • niteshadw
  • · Replies 3 ·
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3

Verify 2-input NOR and NAND gate layouts

  • Maxwell
  • · Replies 2 ·
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2

Want to get into microcontrollers

  • ranger
  • · Replies 8 ·
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8

Possible Causes of Light from Neutral Terminal

  • atotoarere
  • · Replies 2 ·
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2

What is the Bandwidth of a Second Order System?

  • LM741
  • · Replies 8 ·
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8

Do transformers (110V-220V) drain much power?

  • sanrokumaru
  • · Replies 2 ·
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2

High current devices for industrial switching and control

  • SHEEMY
  • · Replies 2 ·
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2

A question to Electrical Engineers

  • dejan
  • · Replies 39 ·
2
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39

How to use 4-bit parallel adders to perform 2Cs' subtraction?

  • chipmunk22
  • · Replies 2 ·
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2

Computer engineering: specialization

  • david90
  • · Replies 1 ·
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1

Designing RFID tags for car lock and ignition system

  • civicboy1689
  • · Replies 8 ·
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8

How to find charging current from a 30V generator to a 24V battery

  • nemesis24
  • · Replies 6 ·
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6

I need someone to explain to me what convolution is

  • kolycholy
  • · Replies 4 ·
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4

Which UART is more tolerant to baud rate differences: 8-bit or 32-bit?

  • EvLer
  • · Replies 12 ·
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12

Selecting an N-channel MOSFET for 4A at 5V logic

  • vsage
  • · Replies 2 ·
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2

Why are I/O pads necessary in IC layout?

  • EvLer
  • · Replies 6 ·
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6

Which EE Specialization is In Demand and Rewarding?

  • newEE
  • · Replies 5 ·
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5

Noise in 7-10.5 kHz Range: Solutions Needed

  • nbo10
  • · Replies 3 ·
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3

Adding vs multiplying 10Hz and 11Hz waves in an antenna

  • Jdo300
  • · Replies 6 ·
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6

Divide 180MHz Xtal Oscillator - Homebrew Design

  • waht
  • · Replies 10 ·
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10

One time Pulse with a 555 Timer

  • scottietohottie
  • · Replies 3 ·
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3

How can I make Stepmania read serial data from a game cube to USB adapter?

  • fishys182
  • · Replies 9 ·
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9
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3
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9

Answering JK Flip Flop Questions: How do I get xA' + x'A + xB?

  • seang
  • · Replies 2 ·
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2

Understanding Resistance and Phasors for Non-Electrical Engineers

  • girls4engineers
  • · Replies 3 ·
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3

How to calculate resistance between two electrodes filled with water

  • guptasuryakant
  • · Replies 4 ·
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4

Measuring 4.6 degree phase shift on an oscilloscope screen

  • Number2Pencil
  • · Replies 13 ·
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13
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4

Build a Galvanometer for Laser Pattern Creation

  • taylaron
  • · Replies 6 ·
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6
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12

Voltage, Current, Resistance definitions

  • mtanti
  • · Replies 4 ·
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4

Creating Rotating Magnetic Fields with Helmholtz Coils

  • Jdo300
  • · Replies 19 ·
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19

Why don't mirrors reflect light perfectly?

  • taylaron
  • · Replies 11 ·
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11

Calculating source capability of Darlington pair

  • j777
  • · Replies 7 ·
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7

Is There a One-to-One Barrier with Motors and Generators?

  • karae12
  • · Replies 3 ·
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3

Ultrasonic Sensor Setup for Distance Detection

  • electricalcoolness
  • · Replies 3 ·
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3
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3

Best method to build a 30kv DC powersupply.

  • Agnostic
  • · Replies 10 ·
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10

Why is the Q4 base voltage higher than supply in this 20dB amp?

  • waht
  • · Replies 2 ·
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2

Find Digital Circuit for ATM Device in .ewb Format

  • arehman1289
  • · Replies 1 ·
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1

How Does the Z-Plate Enhance Oscilloscope Functionality?

  • livcraig
  • · Replies 1 ·
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1

What am I doing wrong (555 timer as a one-shot)?

  • Number2Pencil
  • · Replies 8 ·
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8

Razr Battery Bug: Solving Low Battery Life

  • russ_watters
  • · Replies 2 ·
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2

Using a PLL to multiply 10Hz signal to 50Hz or 100Hz

  • PATRICIAGS
  • · Replies 13 ·
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13

How Can I Determine the Magnetic Field for My Engineering Project?

  • vsage
  • · Replies 9 ·
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9
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5

What is the function of the '->' in that line?

  • NCEE
  • · Replies 1 ·
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1

How do you evaluate the following: (G(jw).H(jw))*K(jw)?

  • kolycholy
  • · Replies 1 ·
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1

What dimension does process measure

  • es1
  • · Replies 15 ·
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15

Ideal transformers can pass DC, but real ones can't

  • Omegatron
  • · Replies 19 ·
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19

USB controller with built-in microcontroller costs and availability

  • abdo375
  • · Replies 4 ·
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4

Electric motor for applying resistance torque to a steering wheel shaft

  • zekester
  • · Replies 7 ·
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7

Ideality factor - schotkky diode

  • hananl
  • · Replies 7 ·
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7

What Are Other Non-Ohmic Devices Besides Filament Bulbs

  • triniman
  • · Replies 2 ·
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2

What Common Problems in Electrical Engineering Devices Can Be Solved?

  • budala
  • · Replies 2 ·
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2

Manufacuring Thermionic Power Chips

  • Mad_Morlock
  • · Replies 8 ·
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8

I need a VHDL guru and a GAL guru

  • Number2Pencil
  • · Replies 5 ·
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5

Mod 8 Counter AHDL Design w/ External Source

  • lespaul5895
  • · Replies 4 ·
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4

Connecting 6 * 3mm/5mm LEDs with 3V Supply

  • peejake
  • · Replies 8 ·
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8

Can I Buy/Build a 500V 4A Power Supply?

  • Cyrus
  • · Replies 8 ·
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8

Finding B1 and B2 coefficients in underdamped RLC step response

  • mushiman
  • · Replies 4 ·
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4

Could a Faulty AC Power Source Affect Satellite Signal Reception?

  • Tom B.
  • · Replies 2 ·
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2

Which Power System Design Is Optimal for Mixed Frequency Plants?

  • khamoshie
  • · Replies 3 ·
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3

Maximum voltage that a bulb can take before burning out?

  • likeachild
  • · Replies 2 ·
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2

Can radio waves ionize gas and produce light?

  • Brewerpt
  • · Replies 18 ·
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18

How Do Radio Receivers and Transmitters Work?

  • thekeyboardbum
  • · Replies 15 ·
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15

Calculating Current Through JFET Transistor System

  • Hybird
  • · Replies 1 ·
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1

Carbon monoxide detector circuit with MQ307A sensor

  • pouchito
  • · Replies 14 ·
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14

Looking for a better book on p-n junctions and diodes?

  • Swapnil
  • · Replies 2 ·
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2

12-16 bit ADC and DAC boards for IF sampling at 80+ megasamples/second

  • LaVic
  • · Replies 2 ·
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2

Some questions regarding Electromagnetism

  • apples
  • · Replies 32 ·
2
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32

Generator Power Output: 17.038 KW/60 RPM - Is it 61336.8 KWH?

  • ENRG
  • · Replies 5 ·
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5

Understanding E-Field Equations and Notation in Electronic Engineering

  • charlotty
  • · Replies 2 ·
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2

P-Channel MOSFET: Implications of Bulk Connected to +Vdd

  • seang
  • · Replies 1 ·
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1

Good DAC Circuit Diagrams - Any Suggestions?

  • sean23
  • · Replies 2 ·
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2

Need serious advice on digital project problem

  • Number2Pencil
  • · Replies 11 ·
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11

Geothermal power from underwater hydrothermal vents

  • taylaron
  • · Replies 7 ·
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7

Unwanted signal in an op-amp circuit (inductive pickup?)

  • Omegatron
  • · Replies 7 ·
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7

How do you find zeta and alpha in this circuit?

  • frogdogbb
  • · Replies 3 ·
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3

My supervisor wants a market survey?

  • juming
  • · Replies 2 ·
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2

Software/hardware for signal recording?

  • Firefox123
  • · Replies 5 ·
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5

Becoming a student member of IEEE

  • pete5383
  • · Replies 3 ·
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3

RC low-pass filter values to remove 16 microsecond noise spikes

  • j777
  • · Replies 15 ·
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15

Ideas for a Basic RLC Related Class Project

  • mushiman
  • · Replies 4 ·
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4

Calculating Head Pan Angle with Accelerometer Measurements

  • gunnerone
  • · Replies 3 ·
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3
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7

Direct TV Signal Issues: Can't Receive in Boat

  • Tom B.
  • · Replies 5 ·
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5

How does an EMF detector circuit work and what causes errors?

  • alnywk
  • · Replies 1 ·
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1