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

Negative feedback - Open loop gain question

  • okami11408
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2

How do antennas convert current into electromagnetic waves?

  • ASidd
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1

What Does Sink Eight TTL Inputs Mean in the Context of AT89C51's Port 0?

  • snshusat161
  • · Replies 2 ·
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2

Calculating Coils for AM Radio Frequency

  • mearvk
  • · Replies 16 ·
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16

555 monostable relay circuit fails when motor turns on

  • RobertRobot36
  • · Replies 29 ·
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29

How can a pulse voltage be stabilized to a DC voltage?

  • Daniel Floyd
  • · Replies 4 ·
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4

Hello. I just got a PMT the glass bulb of which has been broken. Even

  • Ravaner
  • · Replies 6 ·
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6

Measuring resistance in a superconductor

  • chutes123
  • · Replies 4 ·
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4

Designing an outdoor electronic product (LED tree)

  • parkland
  • · Replies 11 ·
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11

Oscilloscope Ground and Common question

  • kbmcnich
  • · Replies 2 ·
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2

Plot IV Curves for Solar Panels Easily

  • pranavnatural
  • · Replies 1 ·
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1

Is There an Insulation Monitoring Relay for Continuous Winding Monitoring?

  • Royherd27
  • · Replies 4 ·
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4

Faraday Cage Applied to Power Lines to Negate Field Interference

  • redhand22
  • · Replies 10 ·
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10

Increase Electromagnetics emmission?

  • Toothless
  • · Replies 10 ·
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10
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2

Generating A Noise Signal from a Digital Processor

  • amanno
  • · Replies 2 ·
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2

Need guidance - RF engineer/DSP engineer interview

  • akb11
  • · Replies 4 ·
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4

Control Projects: Ideas for Graduation Project

  • mfecky
  • · Replies 1 ·
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1

Detecting triac failure whether under load or not

  • THX-1138
  • · Replies 5 ·
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5
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11

Limiting current in ion accelerator with dielectric breakdown

  • papernuke
  • · Replies 6 ·
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6

Rated current and power in transformer short circuit test

  • nik.jay.hil
  • · Replies 4 ·
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4

Need ideas on how to induce spikes on 600VDC signal

  • IEEE
  • · Replies 9 ·
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9

What knowledge is needed for Electromagnet design?

  • Bowen88
  • · Replies 1 ·
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1

Replacing Signetics N5556 op-amp in Popular Electronics brain wave monitor

  • uchimata
  • · Replies 4 ·
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4

Is a Self-Sustaining Generator Possible?

  • Against_Laws
  • · Replies 7 ·
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7

Measuring state of charge on a li-ion cell phone battery

  • rthomas_uk
  • · Replies 1 ·
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1

Software to display voltage readings from 89s52 circuit on PC

  • sahilt
  • · Replies 2 ·
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2

Trying the crunch some numbers into the thermopile ballpark

  • Sravoff
  • · Replies 2 ·
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2

Variable dielectric capacitors

  • JohnielWhite
  • · Replies 7 ·
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7

Can characteristic impedance of a medium be considered as its resistance?

  • Kholdstare
  • · Replies 14 ·
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14

UWB SFCW or FMCW Transceiver design?

  • ali.cmi
  • · Replies 10 ·
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10

Interference from Van De Graff

  • MattZapp
  • · Replies 1 ·
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1

Can you connect an SCR gate to the anode like that?

  • Femme_physics
  • · Replies 19 ·
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19
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18

Basic crystal oscillator specifications question

  • bmxicle
  • · Replies 5 ·
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5

Not fully understanding Grounds

  • Quazi
  • · Replies 13 ·
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13
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2

Formula for ripple factor in filter circuits

  • iampaul
  • · Replies 2 ·
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2

Could Connecting Two Cell Phone Batteries Charge A Camera Battery?

  • Jeremy87
  • · Replies 10 ·
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10
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5

How Is Capacitor Output Voltage Calculated and Measured?

  • mearvk
  • · Replies 4 ·
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4

Good way to test variable-speed generator output?

  • HydroGuy
  • · Replies 8 ·
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8

Why does the width of depletion region is small in highly doped diode?

  • Viswanathan.M
  • · Replies 1 ·
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1

Capacitor charged and disconnected then connected to capacitors

  • careless25
  • · Replies 1 ·
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1

Detecting induced electric fields in the ocean

  • royzizzle
  • · Replies 4 ·
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4

Single phase motor with capacitor - unmarked wires blowing fuses

  • Scottyb
  • · Replies 11 ·
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11

What is the wisdom and purpose of a Ground Node in a circuit?

  • shippo113
  • · Replies 13 ·
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13

Why Do Bench Power Supplies Remain So Large?

  • shippo113
  • · Replies 7 ·
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7

Transistors for 3.6 kW inverter circuit

  • cas111
  • · Replies 11 ·
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11

Why Is a 3 Phase Generator More Efficient Than a 1 Phase Generator?

  • Teachme
  • · Replies 1 ·
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1

Query about Power Factor Change in a Power Plant

  • rezwan17
  • · Replies 1 ·
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1

Where to place a potentiometer in a DC power supply circuit?

  • XwyhyX
  • · Replies 11 ·
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11

How does voltage in wires affect conduit and nearby materials?

  • quikpik
  • · Replies 4 ·
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4

Electrical interlock and mechanical interlock

  • Mateen-ud-din
  • · Replies 1 ·
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1
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1

Can a waveguide dimension of 0.35λ propagate EM waves at 45°?

  • htg
  • · Replies 1 ·
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1

L293D motor driver overheating with 12V DC motor

  • medosoft
  • · Replies 11 ·
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11

RC Circuit vs Op amp integrator

  • TheDude_
  • · Replies 11 ·
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11

Need DC motor having high holding torque

  • harshrajs7313
  • · Replies 2 ·
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2

How Are VA Ratings Derived for Different 3-Phase Transformer Configurations?

  • Serena_hm
  • · Replies 4 ·
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4

How does a Tesla coil work and why does the tank circuit resonate at kilohertz?

  • I_am_learning
  • · Replies 10 ·
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10

Side channel on the headphone jack

  • keystroke
  • · Replies 2 ·
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2

Cause and effect confusion, BJT

  • shippo113
  • · Replies 5 ·
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5

Disconnecting source from inductor

  • ptxiao
  • · Replies 5 ·
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5

Voltage drop calculation for 0.37kW motor circuit with 80m cable

  • walidabid
  • · Replies 2 ·
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2

What Defines a System in Signals and Systems?

  • amaresh92
  • · Replies 4 ·
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4

Why voltage and power gain aren't applicable to RF circuits

  • akb11
  • · Replies 7 ·
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7

Integrator, Differentiator & I-to-V converter, why use opamp anyway?

  • shippo113
  • · Replies 2 ·
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2

Understanding House Fan Wiring with 2 Switches

  • biferi
  • · Replies 16 ·
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16

Do the capacitors always charge exponentially?

  • Femme_physics
  • · Replies 36 ·
2
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36

Where can I purchase a high frequency step-up transformer

  • yesbeckng
  • · Replies 5 ·
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5

How to Calculate Capacitance for Capacitors with Oxide on Side Walls?

  • rg6g09
  • · Replies 4 ·
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4

To find vectors in cylindrical system

  • amaresh92
  • · Replies 1 ·
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1

Transmitting video via radio wave from weather balloon

  • masterjoda
  • · Replies 8 ·
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8

TTL Gate Circuits: Unconnected Inputs Logic Level HIGH?

  • timeforplanb
  • · Replies 4 ·
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4

Achieving Uniform Contact with Silicon Wafer

  • Coldhot
  • · Replies 4 ·
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4

Is 18/2 Doorbell Wire Safe for Wiring 110v to SSR?

  • iambo
  • · Replies 10 ·
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10

How Can Mechanical Energy Be Converted to DC Electricity Without Magnets?

  • roboticmehdi
  • · Replies 10 ·
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10

Can I work at an engineering company while going to school?

  • ThomasG
  • · Replies 4 ·
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4

What is the Frequency Content of a Unit Step Signal in Fourier Analysis?

  • amaresh92
  • · Replies 8 ·
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8

Positive/Negative Symbol Confusion

  • mearvk
  • · Replies 11 ·
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11

PNP transistor and argument with my teacher

  • Femme_physics
  • · Replies 75 ·
3
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75
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7

Impedance matching without smith charts

  • rppearso
  • · Replies 4 ·
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4

Power Plant Generators: Regulating Output Voltage

  • Idea04
  • · Replies 1 ·
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1

Electrically secure connection of battery tabs

  • Andy Haard
  • · Replies 4 ·
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4

Reducing supply current from 2A to 350mA and capacitor polarity

  • mearvk
  • · Replies 2 ·
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2

How big does a Li-Po battery has to be to absorb a lightning bolt?

  • ketamynx
  • · Replies 1 ·
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1

Chemical Batteries (Car Batteries)

  • mearvk
  • · Replies 2 ·
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2

Using a US manufactured digital phase conveter in the UK

  • English Frank
  • · Replies 22 ·
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22

Does PNP transistor share the same formulas as an NPN transistor?

  • Femme_physics
  • · Replies 5 ·
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5

Coil winding direction on opposite legs?

  • hobbs125
  • · Replies 4 ·
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4

EE Study Resources: Best Books for Electrical Engineering

  • fernanhen
  • · Replies 1 ·
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1

How to recognize series versus parallel paths in complex schematics

  • berenmacbowma
  • · Replies 5 ·
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5

How to start generator with battery (self start) with ignition.

  • kami_rock55
  • · Replies 12 ·
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12

Sampled data system freq response

  • likephysics
  • · Replies 2 ·
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2

Power - what is the use of calculating power and energy of signal?

  • amaresh92
  • · Replies 4 ·
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4

Electrical Circuit Drawing Software

  • GnMvP
  • · Replies 11 ·
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11

Statistics of random processes passed through an LTI system

  • physics baws
  • · Replies 2 ·
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2