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

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1

Understanding White Noise Behaviour in an Ideal Mixer - SNR Unchanged"

  • diemilio
  • · Replies 2 ·
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2

How Does Differential GPS Handle Timing and Satellite Malfunctions?

  • sludger13
  • · Replies 5 ·
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5

Can Standard Alligator Clips Affect EMG Signal Quality?

  • abhiroop_k
  • · Replies 9 ·
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9

Measuring air transformer at resonant frequency

  • voidnoise
  • · Replies 7 ·
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7

How does a homopolar generator produce current?

  • Mr.Bomzh
  • · Replies 7 ·
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7

DC Motor System for Car Battery: Can I Achieve Inexpensively?

  • seamuscostello
  • · Replies 1 ·
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1

FPGA-Based System Design with Multiplexed Ring Oscillators

  • elayaraja
  • · Replies 2 ·
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2

Electrical engineer site work documentation and requirements

  • hisham.i
  • · Replies 2 ·
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2

Choosing the Right AC Adaptor to Model Names, Compatibility, and Cost

  • rar0308
  • · Replies 3 ·
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3
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5

Can I Generate a Signal for My Broken Cable with a Homemade TDR?

  • John1397
  • · Replies 7 ·
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7

How do EEG electrodes extract signals from the brain?

  • LightFantastic
  • · Replies 8 ·
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8

Factors to be considered measuring Magnetic Field of 130KHz

  • Mag_field
  • · Replies 1 ·
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1

Why does the IEEE recommend using ac and dc instead of AC and DC?

  • thegreenlaser
  • · Replies 7 ·
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7

Half wave vs peak detector circuit

  • onceinalifetim
  • · Replies 5 ·
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5

How do I calculate signal to noise ratio with the Wiener filter?

  • cutesteph
  • · Replies 4 ·
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4

The design of a low pass filter

  • Bourbon daddy
  • · Replies 1 ·
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1

Sine wave power amplification question

  • ajamplifier
  • · Replies 4 ·
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4

555 timer and relay voltage for garage door opener circuit

  • flatmaster
  • · Replies 9 ·
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9

What Are the Effects of Counter-EMF on Electric Motors?

  • Momento
  • · Replies 33 ·
2
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33

Are these two resistors in Parallel?

  • jwllorens
  • · Replies 5 ·
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5

Amperage used versus amperage billed

  • Matt_in_Mich
  • · Replies 1 ·
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1

Polarity of 3p core transformer

  • Amith Menon
  • · Replies 1 ·
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1

Amplitude modulation - why is ωc ωm necessary?

  • karakov
  • · Replies 12 ·
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12

Is it possible to glow-discharge air at atmospheric pressure?

  • leviterande
  • · Replies 3 ·
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3

Protect SINE OUT BNC from SR830 lockin

  • Acosta
  • · Replies 5 ·
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5

Can a single AAA battery power a smartphone for emergency use?

  • Guysakar
  • · Replies 9 ·
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9

Inverting op-amp with multiple input resistors

  • Mechatron
  • · Replies 11 ·
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11

Designing a display for Watts, Volts and Ohms.

  • Browndustin
  • · Replies 17 ·
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17

How Many Winds of Copper Wire Are Needed for a 72-Pole Generator at 100 RPM?

  • newhope_health
  • · Replies 17 ·
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17
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6

Issue with energy conversion in synch. machine

  • FOIWATER
  • · Replies 10 ·
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10

Finding VA and VB with a resistor between node and reference

  • kdeucesd
  • · Replies 3 ·
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3

Pulsing DC Current: Power Supply 15vDC

  • lrc03161991
  • · Replies 1 ·
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1

How to Create a VGA to Composite Video Converter for RCA Output

  • Tesladude
  • · Replies 7 ·
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7

Connecting 12V Solar Panel to 12V Battery: Should I?

  • jabers
  • · Replies 10 ·
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10

Understanding Reactive Power Flow in Power Factor Correction

  • QwertyXP
  • · Replies 2 ·
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2

Converting AC Signals to DC for PIC

  • onceinalifetim
  • · Replies 4 ·
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4

Data Rate Formula: Finding the Right Solution

  • oneamp
  • · Replies 3 ·
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3

Linear amplifier question, Coarse Gain/Fine Gain.

  • Tito_Tileto
  • · Replies 1 ·
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1

SPDT switches in CMOS processes.

  • Lanot
  • · Replies 3 ·
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3

What Is the Best Generator for Small Scale Power Generation?

  • BlackSmoke
  • · Replies 10 ·
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10

What software is recommended for designing microwave cavities?

  • csopi
  • · Replies 3 ·
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3

Selecting a DC motor for a 50lb robot with 10mph speed

  • jedishrfu
  • · Replies 2 ·
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2

Potential Scalarity: Why Does Vary w/ Change in Coordinates?

  • srikar
  • · Replies 1 ·
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1

Why does my FFT show different notes at the same frequency below 50 Hz?

  • btb4198
  • · Replies 38 ·
2
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38

Dielectric test as per IEC for Low voltage panels

  • hisham.i
  • · Replies 2 ·
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2

How to find ampacity of 1/2 by 4 copper buss bar

  • Crazyhorse2882
  • · Replies 8 ·
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8

How to charge a mobile phone (5v500mAh) from 6v 1300mAh Ni-Mh battery

  • Meera
  • · Replies 26 ·
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26

Thermal White Noise - Johnson–Nyquist noise

  • Mechatron
  • · Replies 63 ·
3
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63

How is the BTS connected to the BSC?

  • medwatt
  • · Replies 1 ·
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1

Fastest way to become RF engineer

  • Bob Busby
  • · Replies 2 ·
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2

How Can I Reduce Shot Noise in a Phototransistor Audio Application?

  • MaximumPower
  • · Replies 43 ·
2
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43

Why do you get sideband frequencies for amplitude modulation (AM)?

  • CraigH
  • · Replies 35 ·
2
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35

Creating homemade motion sensor to camera

  • goonthortech
  • · Replies 2 ·
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2

What is the function of Switchgear in Substation?

  • tipu_sultan
  • · Replies 3 ·
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3

ESD Mats: Dissipative vs Conductive

  • likephysics
  • · Replies 2 ·
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2

Using RF Transmitter/Receiver to power LEDs from a Sensor?

  • SeanLynch91
  • · Replies 4 ·
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4

Transformer Current Drops with Load

  • Physicist3
  • · Replies 2 ·
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2

Typical carrier frequency for amplitude modulation

  • SK1.618
  • · Replies 1 ·
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1

How Do You Calculate Transformer kVA Rating Based on Site Measurements?

  • engnr.in.trng
  • · Replies 1 ·
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1

Building a 12V heating pad that reaches 150-200°F in 3-4 minutes

  • ljstew
  • · Replies 8 ·
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8

Irritatingly failed resistance calculations

  • prush242
  • · Replies 6 ·
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6

Designing a headphone with customizable functions

  • victor91
  • · Replies 3 ·
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3

Torque input of synchronous machine

  • FOIWATER
  • · Replies 5 ·
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5
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5

Photomultiplier Tube Destroying Amplifiers - Suggestions?

  • C. Law
  • · Replies 3 ·
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3

Disparity between resistor power rating and rated voltage?

  • darkfeffy
  • · Replies 11 ·
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11
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4
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20

Is there an adapter for small IC chips to fit on a PC board?

  • grimofdoom
  • · Replies 13 ·
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13
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7

Measuring electricity passed to ground from an antenna

  • jackandjohn
  • · Replies 2 ·
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2
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2

What does CESMM3 Ref code X9000.1 mean in transmission project BOQ?

  • tipu_sultan
  • · Replies 1 ·
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1

What is the best op-amp for EMG signals?

  • abhiroop_k
  • · Replies 2 ·
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2

Creating an RF Signal using analog methods

  • ChaseRLewis
  • · Replies 28 ·
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28
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1

Reduce Power Source Sensitivity

  • Calum92
  • · Replies 5 ·
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5

What is the formula for two (or more) tone amplitude modulated signal?

  • tfr000
  • · Replies 2 ·
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2

Spice with z, y, s, and abcd paramaters

  • sandy.bridge
  • · Replies 1 ·
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1

Adjusting 78xx voltage regulators with resistors on the ground pin

  • GregValcourt
  • · Replies 15 ·
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15

How can I measure phase angle between two signals without an oscilloscope?

  • EE4life
  • · Replies 12 ·
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12

Designing a BLE wire heater PCB with Arduino and mosfet amplification

  • bakours
  • · Replies 5 ·
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5

Is the FFT effective for analyzing real world music?

  • btb4198
  • · Replies 9 ·
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9

AC battery backup without ups possible?

  • zefram12
  • · Replies 6 ·
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6

What is the best topology for adding surge protection to Ethernet PHY?

  • johnkelton
  • · Replies 3 ·
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3
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2

Using SPICE with FEMM (Finite Element Method Magnetics)

  • Jdo300
  • · Replies 4 ·
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4

What is the meaning in the 144 Optical Fiber Cable? Especially why 144

  • tipu_sultan
  • · Replies 2 ·
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2

PIN Photodiode, High Voc, Low Isc

  • Qianlong
  • · Replies 3 ·
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3

How to statically charge something

  • wahaj
  • · Replies 17 ·
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17

How does the electric field get removed in crystal oscillator circuits?

  • d.arbitman
  • · Replies 14 ·
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14

Notes on interior lighting circuits (?)

  • GregoryGr
  • · Replies 3 ·
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3

Why can't I hear 60 Hz and 82.407 Hz tones?

  • btb4198
  • · Replies 3 ·
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3

Software capable of modeling ground grid performance during faults cau

  • Jotamide
  • · Replies 1 ·
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1

ESC not working as intended, what am I doing wrong?

  • Jarfi
  • · Replies 5 ·
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5

LV 600V/1000V Insulation Grade Panel Board means?

  • tipu_sultan
  • · Replies 1 ·
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1

Control of electrical equipment via phone/internet

  • AlexStark
  • · Replies 1 ·
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1