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

Purpose of batteries and dynamos

  • Mr_Bojingles
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5

Do anions move to the cathode from the electrolyte or from anode dissolution?

  • Mr_Bojingles
  • · Replies 2 ·
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2

How can I effectively study electricity as a freshman engineering student?

  • Buddy J.
  • · Replies 7 ·
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7

Using JFET as magnetic field sensor

  • Jdo300
  • · Replies 3 ·
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3

Return current path without a ground plane in high-speed design

  • NoName707
  • · Replies 8 ·
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8

Solving 90 Degree Phase Shift Problem with Acclerometer Signal

  • morten84
  • · Replies 3 ·
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3

How to Control a 12V Unipolar Stepper Motor with a Microcontroller?

  • frogdogbb
  • · Replies 1 ·
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1

How does voltage propagate as a wave along a transmission line?

  • NoName707
  • · Replies 3 ·
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3

Equivalent Electrical Model for Spring-Damper Circuit: Seeking Advice

  • kris0020
  • · Replies 1 ·
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1
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3

What is the principle of tesla coil'?

  • magnetar
  • · Replies 1 ·
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1

How Can I Measure the Movement of a Loudspeaker Membrane?

  • morten84
  • · Replies 2 ·
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2

Transfer impedance and admittance in cable shielding

  • madking153
  • · Replies 7 ·
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7

Electric vehicle battery question

  • akueddy
  • · Replies 1 ·
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1

What are master and slave roles in IIC bus communication?

  • seang
  • · Replies 1 ·
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1

ISD2590P chip playback with PIC and button inputs

  • TheCresent
  • · Replies 2 ·
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2

Need advice on diodes connected in series

  • snoothie
  • · Replies 8 ·
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8
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5
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11

Power supply for solenoid valve

  • Aubrey
  • · Replies 4 ·
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4

How does radar measure distance if the signal travels at light speed?

  • OSalcido
  • · Replies 2 ·
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2

Where to buy Peltier cells online

  • ejdb78
  • · Replies 1 ·
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1

Can we move air molecules by ionizing them with surface electrodes?

  • fagan
  • · Replies 6 ·
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6

Where can I find an intuitive tutorial for building a tube amplifier?

  • Jdo300
  • · Replies 2 ·
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2

Capacitor Comparisons: Quality Control, Testing, and Brand Names

  • foahtein
  • · Replies 5 ·
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5

Isotropic Radiation Propagation Patterns

  • SYS_eng
  • · Replies 3 ·
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3
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12

150w inverter, 60w draw, car battery life?

  • nesika41
  • · Replies 3 ·
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3

Need to design a sensing circuit

  • richt
  • · Replies 4 ·
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4

Making a Coiled Heating Element from Nichrome Wire

  • gtg357i
  • · Replies 4 ·
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4

Need Help - Where can I lookup these values?

  • FrogPad
  • · Replies 1 ·
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1
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9
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15

PCI-6025E resolution half of expected with LabView

  • jamesrc
  • · Replies 4 ·
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4

Governing equations for ideal transistors and op-amps

  • tim_lou
  • · Replies 11 ·
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11

Unknown Voltage Source and Current

  • pantera1441
  • · Replies 2 ·
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2

Design an Electronic System for Counting Objects on a Conveyor Belt

  • khumalop3
  • · Replies 2 ·
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2

Bridge Rectifier for Thrige Titan 10 HP Motor

  • skimoe55
  • · Replies 6 ·
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6

Do harmonics in Hartley oscillators come from the transistor?

  • Jdo300
  • · Replies 6 ·
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6

Parallel battery circuit problem

  • pantera1441
  • · Replies 13 ·
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13

Why Do 1.5V Batteries Come in Different Sizes and Capacities?

  • IMGOOD
  • · Replies 2 ·
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2
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3
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3

Solving Basic Circuit with Fourier Transforms

  • FunkyDwarf
  • · Replies 6 ·
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6
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3

What is the Optimum Resistance for Maximum Electric Power Production?

  • gtg357i
  • · Replies 6 ·
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6

Getting resume feedback from technical professionals

  • david90
  • · Replies 6 ·
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6

Ethernet, Profinet and Profibus

  • electricsheep
  • · Replies 4 ·
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4

Spark plug circuit voltage calculation in MIT RLC example

  • embeddeduser
  • · Replies 5 ·
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5

Using propagation delays to my advantage?

  • vsage
  • · Replies 2 ·
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2

Designing a Multirange Ohm Meter with a D'Arsonval Movement

  • ahmadkza86
  • · Replies 4 ·
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4

How do DC circuits, AC analysis, and op-amps relate to transient analysis?

  • lynda.lysandra
  • · Replies 1 ·
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1

Discuss forums about the Microelectronic Fabrication

  • walkinginwater
  • · Replies 1 ·
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1

How does a two-transistors LED flasher (flip-flop) circuit work?

  • zerobigright
  • · Replies 2 ·
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2

Why is LDAA 0,X Equivalent to LDAA 1,X+?

  • seang
  • · Replies 2 ·
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2

Any recommendation about Microelectronic Fabrication?

  • walkinginwater
  • · Replies 4 ·
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4

Where Can I Find Toroidal Electromagnets for My Project?

  • linear_shift
  • · Replies 10 ·
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10

ESC-101 Introduction to ELectronics

  • heman
  • · Replies 5 ·
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5

Do 3023 batteries exist? (not CR ones)

  • fine82
  • · Replies 1 ·
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1
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9

Identifying silicon vs. germanium in 5V zener diode curve tracer

  • Number2Pencil
  • · Replies 11 ·
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11

Human powered still - Nichrome wire

  • gtg357i
  • · Replies 6 ·
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6

Scaling a +/-5V Signal to 200mV for a Torque Sensor

  • zekester
  • · Replies 3 ·
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3

Output voltage across resistor when diode is reverse biased

  • math&science
  • · Replies 2 ·
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2

Output Voltage Calculation for Difference Amp Circuits

  • math&science
  • · Replies 2 ·
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2

Design idea about Microstrip bandpass filter

  • vincenthou
  • · Replies 1 ·
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1

Mitsubishi M54929 Data Sheet: 16 Pin DIP PLL IC

  • Averagesupernova
  • · Replies 4 ·
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4

Can I Create a Strong Enough Electromagnet for My Video Installation?

  • nbontra
  • · Replies 10 ·
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10

OR Gate Voltage Drop: A=5V, B=4.6V

  • dobry_den
  • · Replies 4 ·
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4

Mesh Analysis - confusion on writing equations

  • KingNothing
  • · Replies 2 ·
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2

What is the role of the oxide in MOSFETs?

  • jinyong
  • · Replies 1 ·
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1

Can You Recommend a PC-Connectable DVM and Lab Power Supply with GPIB?

  • Panda
  • · Replies 3 ·
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3

Manual solution for Field and Wave Electromagnetics by Cheng

  • babol
  • · Replies 1 ·
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1
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4

Trying to heat a wire Capacitor

  • foahtein
  • · Replies 5 ·
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5

Diode OR Gate - the role of resistor

  • dobry_den
  • · Replies 6 ·
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6

Choosing Resistors for Diode AND and OR Gates

  • dobry_den
  • · Replies 7 ·
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7

What Role Do Armature and Copper Windings Play in a Motor?

  • Robin07
  • · Replies 1 ·
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1

Need L and C to be in series in order to have a RLC series circuit?

  • Swapnil
  • · Replies 4 ·
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4

Why does small base current change produce large collector current change in BJT?

  • shaan_aragorn
  • · Replies 17 ·
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17

Need a Poteniometer value soldered on board

  • X1088LoD
  • · Replies 3 ·
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3

Can a 12V 3.5Ah battery support a 120V 4.7A motor?

  • snaz_86
  • · Replies 10 ·
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10

Are There Affordable Alternatives for Crimping Wire Connectors?

  • wxrocks
  • · Replies 4 ·
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4

Frequency and wavelength affect the overall design of a system?

  • bobby
  • · Replies 6 ·
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6

Using Altera Max II CPLD with a General Purpose Bus

  • j777
  • · Replies 16 ·
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16

Most general method to find Thevenin equivalents

  • Swapnil
  • · Replies 7 ·
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7

What is the Circuit for a Diode OR Gate with a 12V Battery Backup?

  • dobry_den
  • · Replies 3 ·
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3

Which side of a p-n junction should light shine on in solar cells?

  • FrogPad
  • · Replies 4 ·
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4

Need microcontroller recommendation

  • Lagomorph
  • · Replies 6 ·
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6

Build a Colpitts Oscillator with LM555 Timer

  • manasik
  • · Replies 5 ·
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5

What PLC brands are popular in China?

  • Ivan Seeking
  • · Replies 7 ·
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7

Magnetic Permeability of Low Carbon Steel

  • Nightsinger
  • · Replies 2 ·
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2

How to differentiate up and down on an analog joystick with the HC12

  • frogdogbb
  • · Replies 17 ·
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17

Node Voltage Method in Circuit Analysis

  • Noesis
  • · Replies 4 ·
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4

Which university is better for me: Loughborough or York?

  • boris_73
  • · Replies 14 ·
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14

Calculate Voltage Across 4k Resistor in Simple Diode Circuit

  • snowJT
  • · Replies 4 ·
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4

Need info on Ferrite shielding in metallic environment

  • kern_paillard
  • · Replies 2 ·
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2

How do these resitors not affect the voltage

  • snowJT
  • · Replies 4 ·
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4

Period of a half-wave rectified signal vs. AC waveform

  • Soaring Crane
  • · Replies 2 ·
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2

Building a 555 PWM Circuit for a Three-Channel Function Generator

  • Jdo300
  • · Replies 7 ·
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7