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

Investigating an Unexpected Result with DFT: Examining Example 1

  • btb4198
  • · Replies 9 ·
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9

About Parallel-to-serial converters

  • FPIsaac
  • · Replies 4 ·
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4

Using OTA as an Integrator for Dual Slope ADC: Advice & Links

  • salil87
  • · Replies 1 ·
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1

What Are the Safety Protocols for Handling High Voltage Equipment?

  • iflabs
  • · Replies 5 ·
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5

Variable Frequency Drive vs. Servo Drive

  • tomizzo
  • · Replies 3 ·
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3

Enhance Range for Remote Audio and Video with ASK Transmitter Modules

  • Tesladude
  • · Replies 1 ·
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1

Understanding "S" in the Frequency Domain

  • pforpashya
  • · Replies 2 ·
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2

Electron Drift Velocity problem

  • himanshushanka
  • · Replies 6 ·
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6

How Can I Build a Digital Color Organ?

  • swagpenguin
  • · Replies 3 ·
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3

Need help upscaling this circuit for leds.

  • swagpenguin
  • · Replies 11 ·
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11

Suggest a transmission electronic kit

  • medwatt
  • · Replies 1 ·
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1

Why Is Saturation Mode Preferred for Biasing MOSFETs?

  • salil87
  • · Replies 9 ·
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9

Electronics question regarding power supplies

  • Trafiq
  • · Replies 21 ·
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21

Solar panel aging and other weird behaviour

  • Artlav
  • · Replies 1 ·
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1

Quarter Wave Transformer: Understanding Formula

  • fred3142
  • · Replies 6 ·
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6

Are My ECG Filters Meeting the Industry Standard for Cuttoff Frequencies?

  • samaaa
  • · Replies 17 ·
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17

Filters and DC/DC Converters in parallel

  • Runei
  • · Replies 2 ·
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2

Modding an LED Fan: Easy Steps to Control Colors

  • beachead92
  • · Replies 1 ·
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1

Need help understanding the signal wire.

  • MinnesotaState
  • · Replies 2 ·
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2

Battery needed for POV display project?

  • perplexabot
  • · Replies 15 ·
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15

How Do I Properly Connect an LM117t 3.3V Voltage Regulator?

  • Tesladude
  • · Replies 7 ·
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7

Converting sound to electrical energy

  • titothomas
  • · Replies 7 ·
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7

Is a Voltage Deviation of +/-15% from 380-480V Really Acceptable?

  • mreff555
  • · Replies 7 ·
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7

What might be the reason for flickering phone screen?

  • Butters
  • · Replies 1 ·
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1

LC Filter Voltage Drop Considerations

  • GG11
  • · Replies 2 ·
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2

Research topics and nanotechnology.

  • Akaisora
  • · Replies 3 ·
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3

Will a Glass Ball Discharge in an Insulator?

  • Steven Ellet
  • · Replies 14 ·
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14

What Causes a Wet Phone to Short Circuit and Can it be Repaired?

  • Butters
  • · Replies 10 ·
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10

Is it okay to increase DC motor RPM by using higher voltage

  • Pysiek
  • · Replies 6 ·
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6

Two types of edge-triggered flip flop?

  • stug
  • · Replies 2 ·
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2

Phase Synchronisation Techniques

  • mtirmize
  • · Replies 9 ·
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9

Battery Puzzled, Something is wrong here.

  • Romodoc
  • · Replies 3 ·
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3

Pizoelectrical Flashlight concept help

  • Vanstorm9
  • · Replies 6 ·
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6

Erase USB Data with Magnets: Ideal Approach

  • akipro
  • · Replies 6 ·
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6

Generators - Voltage Sources or Current Sources?

  • paul2211
  • · Replies 7 ·
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7

Pseudo frequency? Related to phase shift

  • nomisme
  • · Replies 2 ·
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2

I have questions about an electromagnet coil and the winding technique

  • Romodoc
  • · Replies 3 ·
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3

Speed control by flux weakening

  • swayam007
  • · Replies 2 ·
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2
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3

Alternating Current: neutral & ground

  • ryancousins
  • · Replies 3 ·
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3

Oscilloscope blanking (z modulation) possible on elenco s-1325?

  • AndrewBourhis
  • · Replies 11 ·
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11

How to make a reconfigurable circuit

  • shaikss
  • · Replies 2 ·
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2

Total amperage in a service panel

  • Mike Borchardt
  • · Replies 41 ·
2
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41

What is the purpose of whitening in Independent Component Analysis?

  • dexterdev
  • · Replies 1 ·
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1

Equation of a Magnetic Field of a Solenoid

  • eigenstaytes
  • · Replies 2 ·
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2

Question about single and dual supplies

  • Puppetstring
  • · Replies 12 ·
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12

Common Reference OSC for test equipment

  • dnyberg2
  • · Replies 2 ·
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2
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1

How to calculate voltage fed to motor in an H-Bridge circuit?

  • sherrellbc
  • · Replies 11 ·
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11

How to prevent a circuit from cycling / oscillating

  • Wetmelon
  • · Replies 12 ·
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12

What is Pinch off in a transistor?

  • Hyo X
  • · Replies 2 ·
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2

Can I use a 2A transformer to power 4 TDA2050 amplifier chips?

  • Tesladude
  • · Replies 57 ·
2
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57

DC motors seem to have shorted rotors

  • MechatronO
  • · Replies 10 ·
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10

Can a Microwave Be Powered by an Inverter?

  • smartmachine
  • · Replies 1 ·
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1

How do these LED lights conduct ?

  • sherrellbc
  • · Replies 6 ·
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6

Question Regarding Armstrong-type Oscillators

  • Fischer777
  • · Replies 12 ·
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12

Low pass filter for 60Hz rejection

  • pjshah72
  • · Replies 28 ·
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28

Backgating (chip) advantages.

  • Hyo X
  • · Replies 3 ·
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3
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2

Control Systems: How Does High Gain Affect the System?

  • NoOne0507
  • · Replies 1 ·
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1

Calculating gain of a phase detector

  • ollie456
  • · Replies 15 ·
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15

How to measure ripple voltage on CRO

  • ritucrown
  • · Replies 2 ·
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2

How Does Increasing Frequency Affect Capacitor Voltage in an RC Circuit?

  • k31453
  • · Replies 33 ·
2
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33

Is My Calculation for Lighting Circuit Load and Current Correct?

  • opmal7
  • · Replies 1 ·
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1

Can a Thermocouple's cold junction can be electrically manipulated

  • sr241
  • · Replies 4 ·
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4

Inter Logic Block Synchronization

  • amonraa
  • · Replies 18 ·
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18

Linking Lower Voltage and Higher Voltage systems?

  • dpsciarrino
  • · Replies 1 ·
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1

Secondary voltage on transformer

  • bwd111
  • · Replies 4 ·
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4

Why XOR (mod 2 addition) and multiplication are anologous?

  • dexterdev
  • · Replies 11 ·
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11

Adding a Transistor to Fade LED

  • thshen34
  • · Replies 4 ·
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4

Detection of inter-turn winding-short fault in 1-phase transformer

  • Shantanav
  • · Replies 1 ·
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1

Non-Conservative Electric Field

  • tonyjk
  • · Replies 3 ·
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3

How do resistors handle high currents without burning up?

  • ramonegumpert
  • · Replies 11 ·
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11

Battery-Powered LED: Feasible Solution for 3x3x3 Box?

  • johnflynn
  • · Replies 4 ·
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4

How can you accurately calculate fault current on a finite bus by hand?

  • danielandham
  • · Replies 1 ·
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1

Can I Use CAT4101 with Arduino to PWM High Brightness LEDs in Parallel?

  • thshen34
  • · Replies 3 ·
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3

7-segment LED display using Arduino

  • Curl
  • · Replies 12 ·
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12

Is constantly turning a light switch on and off bad?

  • iScience
  • · Replies 3 ·
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3

Is there a way to check the calibration history of the Fluke 87-III?

  • Puppetstring
  • · Replies 1 ·
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1

Question about op amp input bias current

  • Puppetstring
  • · Replies 8 ·
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8

Understanding Flyback Diode Utilization in L293 H Bridge IC

  • sherrellbc
  • · Replies 21 ·
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21

Inductance of DC Electromagnet Coil. Help

  • wingsofdesire
  • · Replies 4 ·
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4

Simple analog voice distortion circuit

  • fede.na
  • · Replies 5 ·
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5

Having trouble with L298N H-Bridge IC

  • sherrellbc
  • · Replies 1 ·
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1

What is photodetector bandwidth?

  • faryafada
  • · Replies 26 ·
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26

Convert unit vector from cartesian to spherical coordination

  • assassin2811
  • · Replies 1 ·
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1

What am I missing in this voltage regulator design?

  • sherrellbc
  • · Replies 4 ·
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4

Inrush in Transformer at no load

  • Daniel Fuente
  • · Replies 1 ·
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1

120V AC Supply to Pull Boxes in station yard (Design Problem)

  • jegues
  • · Replies 5 ·
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5

Compact Logic Gate Options for Efficient Circuit Design

  • Tesladude
  • · Replies 16 ·
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16

Laws of Multi-Terminal Components

  • amonraa
  • · Replies 17 ·
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17

Voltage regulator, tweaking capacitor values

  • mishima
  • · Replies 7 ·
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7

Sizing capacitors for smoothing signals

  • sherrellbc
  • · Replies 3 ·
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3

Very strange accidental proximity sensor - Explanation wanted

  • Ngineer
  • · Replies 4 ·
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4

ATMega128's ATLM - how should I cope with this?

  • mscho527
  • · Replies 2 ·
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2

What kind of spaces are useful in signals?

  • Bipolarity
  • · Replies 5 ·
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5

Radio/magnetic field: detect direction of antenna

  • petterg
  • · Replies 85 ·
3
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85

What is the current through a second separate wire?

  • TekuConcept
  • · Replies 5 ·
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5

I want to generate my own electricity via the included method

  • MinnesotaState
  • · Replies 4 ·
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4

How to size a power supply for x-y stage?

  • El Moriana
  • · Replies 3 ·
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3