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 frequencies in spectrum analysis

  • sukh_ece
  • · Replies 7 ·
Replies
7

Battery backup to a battery supply.

  • Dixo
  • · Replies 22 ·
Replies
22

Laser Induced Breakdown Spectroscopy

  • abhigupta.14
  • · Replies 1 ·
Replies
1

Forgot the name of this circuit (description inside)

  • DeeJayCruiser
  • · Replies 1 ·
Replies
1

Nichrome Wire Heating Element for Tube Reactor

  • gpsimms
  • · Replies 4 ·
Replies
4

FM radio waves and radio stations

  • coktail
  • · Replies 4 ·
Replies
4

Why Can Kirchhoff's and Ohm's Laws Be Applied in the S-Domain?

  • MotoPayton
  • · Replies 6 ·
Replies
6

Stability of two systems in series (Controls Engineering)

  • nebbione
  • · Replies 4 ·
Replies
4

Arduino Serial port greyed out?

  • phynoldus
  • · Replies 5 ·
Replies
5

Is XNOR Gate Logic Correct for More Than 2 Inputs?

  • fcbarcelona
  • · Replies 3 ·
Replies
3

If I have a metal mesh can I test it's resistance with a multimeter?

  • algar32
  • · Replies 4 ·
Replies
4

Combining Negative and Positive Feedback in an OpAmp: What Are the Effects?

  • khotsofalang
  • · Replies 1 ·
Replies
1

Does an in-line 1-5psi air pump exist?

  • Hepth
  • · Replies 4 ·
Replies
4

Adding impedances in polar form on a calculator

  • barry-
  • · Replies 4 ·
Replies
4

How does grounded high voltage return to electric company?

  • psparky
  • · Replies 15 ·
Replies
15

Why Did My Calculation of Discrete Channel Capacity Differ?

  • iVenky
  • · Replies 4 ·
Replies
4

Stator slots, does the shape make a difference?

  • Perpmoman
  • · Replies 4 ·
Replies
4

Can the Wave Nature of Signals Challenge Basic Electronics Laws?

  • akipro
  • · Replies 6 ·
Replies
6
Replies
2

Role of power inductor in train applications

  • billybomb87
  • · Replies 1 ·
Replies
1

Frequency of motor power supply 60 Hz versus 50 Hz

  • rollingstein
  • · Replies 4 ·
Replies
4

How to create a sound-activate switch control a linear Actuator.

  • michael19g
  • · Replies 1 ·
Replies
1

Is there a way to attract electrons to something?

  • MeanTomatoes
  • · Replies 11 ·
Replies
11

Where to hire someone to build circuit? - Moderated

  • Freddythunder
  • · Replies 10 ·
Replies
10

How long can I run my computer using an Inverter?

  • owen_a
  • · Replies 8 ·
Replies
8

How to remove components from PCBs

  • Curl
  • · Replies 4 ·
Replies
4

Does AC pass through an inductor?

  • asitiaf
  • · Replies 21 ·
Replies
21

How does an SCR start conducting when gate voltage is applied?

  • asitiaf
  • · Replies 1 ·
Replies
1

Converting Modifed Sine Wave to Sine Wave

  • owen_a
  • · Replies 12 ·
Replies
12

Questionable results with simulation software

  • Bourbon daddy
  • · Replies 9 ·
Replies
9

Why does input have to match output in a transfer function?

  • Daifa
  • · Replies 6 ·
Replies
6

What is small signal AC analysis?

  • mememe653
  • · Replies 4 ·
Replies
4

How does a clock signal function

  • JaredPM
  • · Replies 1 ·
Replies
1

Want to Design and Build Your Own Circuits? Any Book Suggestions?

  • Curl
  • · Replies 5 ·
Replies
5
Replies
10

Dear EE'S I - sizing electromagnets

  • Phztastic
  • · Replies 4 ·
Replies
4

Oscilloscope Quality: ATTEN ADS1102CAL vs OWON SDS7102

  • Basher1
  • · Replies 4 ·
Replies
4

Is this how a dipole antenna works?

  • CraigH
  • · Replies 4 ·
Replies
4

Which is the best book on EMT, Tx lines, Antenna etc

  • dexterdev
  • · Replies 1 ·
Replies
1

Why do you need multivibrators to create a pulse?

  • jd12345
  • · Replies 6 ·
Replies
6

How to create a projected electric field

  • oronymo
  • · Replies 9 ·
Replies
9

Nyquist Plot Intersection with Real Axes

  • nebbione
  • · Replies 2 ·
Replies
2

Tuning an LC circuit to a particular EM wave.

  • AkInfinity
  • · Replies 14 ·
Replies
14

Indicator light for 110V outlet

  • Curl
  • · Replies 11 ·
Replies
11

In VHDL, what is strongly typed means?

  • dexterdev
  • · Replies 4 ·
Replies
4

Mathematical equations for resistance of different electrode types

  • chpolyz
  • · Replies 1 ·
Replies
1

Can Varactor Diodes Cause Frequency Modulation in LC Oscillators?

  • dnyberg2
  • · Replies 4 ·
Replies
4

Can You Convert an AM Spice Rack to FM?

  • dkotschessaa
  • · Replies 4 ·
Replies
4

Signal processing approach to stydy the brain

  • Neuroni
  • · Replies 4 ·
Replies
4

Requirements for inductor to operate in continuous conduction mode?

  • hobbs125
  • · Replies 21 ·
Replies
21

How long until transistors become completely obsolete?

  • Equilibrium
  • · Replies 21 ·
Replies
21

How to achieve a zero resistance on a force sensitive resistor?

  • mikepny
  • · Replies 1 ·
Replies
1

How does the source voltage affect the inductance in a 1 Mhz amplifier circuit?

  • loosejohnny
  • · Replies 7 ·
Replies
7

Why does op amp saturation occur below supply voltage?

  • mememe653
  • · Replies 2 ·
Replies
2

Mini PowerPoint Remote: Build on 3/4" x 1" Board?

  • Priesthood
  • · Replies 1 ·
Replies
1

Why utilization factor of plant may be more than 1?

  • Faraz Murtaza
  • · Replies 10 ·
Replies
10

Does the Laplace Teansform of the function exist?

  • rudra
  • · Replies 5 ·
Replies
5

UltraCapacitor Charging Voltage

  • newman180
  • · Replies 1 ·
Replies
1

Calculating Brushless Motor's Torque

  • iamdenis
  • · Replies 2 ·
Replies
2

Two input to one,with switching through trigger (coax)

  • jsr9119
  • · Replies 1 ·
Replies
1

Programming atmega32 clock source

  • asad1111
  • · Replies 4 ·
Replies
4

How much energy could I create with a given amount of rpm?

  • ShaneGarcia7
  • · Replies 8 ·
Replies
8

Finding direction of a source using directional antenna?

  • guns
  • · Replies 2 ·
Replies
2

Why Do Some Hydroelectric Control Systems Use Both Speed and Power Feedback?

  • vampslayer
  • · Replies 5 ·
Replies
5

N-channel enhancement MOSFET Operation Equations

  • shallrd
  • · Replies 6 ·
Replies
6

How Can I Design an Underdamped RLC Resonator Below 3kHz?

  • swraman
  • · Replies 7 ·
Replies
7

Difference between T-flip flop and clocked SR latch

  • Bipolarity
  • · Replies 5 ·
Replies
5

I want to design a diode circuit

  • Nickclark
  • · Replies 4 ·
Replies
4

How does AC current alternate and is energy replenished in a circuit?

  • Rinnn62
  • · Replies 18 ·
Replies
18

Mutual Inductance dot convention?

  • jean28
  • · Replies 8 ·
Replies
8

Calculating the frequency based on LC circuit

  • guns
  • · Replies 4 ·
Replies
4

Radios, Radio Antennae, Reception, Transmission

  • mearvk
  • · Replies 6 ·
Replies
6

Reverse polarity protection for TPA3123 amplifier board

  • frascati
  • · Replies 17 ·
Replies
17

How to convert the new digital on air signal for old tv system?

  • yungman
  • · Replies 4 ·
Replies
4

Measuring propagation delay of 4000 logic family chips

  • Bipolarity
  • · Replies 4 ·
Replies
4

What Are TE/TM Modes in Electromagnetic Waves?

  • dexterdev
  • · Replies 4 ·
Replies
4

Is solid state device physics a must learn subject to design circuits

  • dexterdev
  • · Replies 14 ·
Replies
14

Voltage Increase through Induction

  • mmaresco
  • · Replies 4 ·
Replies
4

Staggered startup for 30 three-phase 460V motors to prevent breaker trip

  • richardv24
  • · Replies 4 ·
Replies
4

Resonance and Bandwidth Question

  • tomizzo
  • · Replies 1 ·
Replies
1

Is My Pull Up Resistor Calculation Correct?

  • ee1215
  • · Replies 1 ·
Replies
1

Why is SiO2 used as cladding in optical fibers?

  • Ghassan99
  • · Replies 1 ·
Replies
1

Zenner Diode Clipper: AC Voltage Spikes to 22V?

  • Daniel Floyd
  • · Replies 4 ·
Replies
4

What are the accepted ranges for low, mid, and high audio frequencies?

  • sherrellbc
  • · Replies 7 ·
Replies
7

Why use capacitors beyond just storing energy

  • Jaymo3141
  • · Replies 14 ·
Replies
14

Communication Theory vs. DSP? Differences?

  • DrummingAtom
  • · Replies 6 ·
Replies
6

How much electricity can a generator generate before it wears out?

  • Psinter
  • · Replies 28 ·
Replies
28

Does a circuit need the earth ground wire to operate?

  • MotoPayton
  • · Replies 6 ·
Replies
6

Washing machine drain pump motor type

  • rokisr
  • · Replies 2 ·
Replies
2

Cat 5 Digital Audio: Transmit/Receive 12 Channels @ 48KHz

  • jordanstreet
  • · Replies 2 ·
Replies
2

LM565 PLL free running frequency not entering capture range

  • dexterdev
  • · Replies 4 ·
Replies
4

Is Wikipedia's Description of the Shockley Equation Erroneous?

  • tomizzo
  • · Replies 1 ·
Replies
1

LTSPICE or PSPICE, what is the best?

  • tsuwal
  • · Replies 1 ·
Replies
1

Solving Delays in 8:3 Encoder Design with Verilog

  • polaris90
  • · Replies 1 ·
Replies
1

I need an electrical engineer to interview for high school project

  • izzydon66
  • · Replies 1 ·
Replies
1

Why isn't electricity flowing through this wire?

  • remedemic
  • · Replies 12 ·
Replies
12

How can an Op Amp voltage comparator be used as a voltage controlled switch?

  • Daniel Floyd
  • · Replies 6 ·
Replies
6

Solid state DC circuit breaker, used to protect a load

  • knowledgeseeki
  • · Replies 29 ·
Replies
29

Transfer Function of an unknown device

  • nebbione
  • · Replies 1 ·
Replies
1
Replies
6