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

Minimization of a Multi Output Circuit

  • carlodelmundo
  • · Replies 1 ·
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1

Calculating a frequency offset using a PIC

  • Bryan_S
  • · Replies 2 ·
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2

Current and Voltage from photovoltic cells

  • HyperSniper
  • · Replies 2 ·
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2

How to reverse the action of a small 12V DC MOtor

  • ja7703a
  • · Replies 3 ·
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3

Troubleshooting a Simple Sun Tracking Device: Tips and Solutions

  • tina-duncan
  • · Replies 2 ·
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2

Differences between 3phase and 6 phase systems

  • yashar_g
  • · Replies 2 ·
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2

Heating Nichrome Wire with 9.6V Battery - Newbie Help

  • tkyleus
  • · Replies 2 ·
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2

Is there such a thing as a inverse varistor?

  • kmarinas86
  • · Replies 6 ·
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6

Proto board with gold plated contacts

  • JerryG
  • · Replies 1 ·
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1
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3

Wide Range Strain Indicator Units

  • sean882
  • · Replies 1 ·
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1

Need help understanding this circuit.

  • integrant2
  • · Replies 7 ·
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7

Calculating Irradiance from BPW21R Photodiode Current

  • pochd
  • · Replies 3 ·
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3

Design a Portable Water Warmer for College Project

  • screamer
  • · Replies 3 ·
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3

What causes of voltage runaway in series LC resonant circuit?

  • HMS-776
  • · Replies 3 ·
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3

Connecting 2 Transformers in Series: Turn Ratio Equivalent

  • tefavolc
  • · Replies 12 ·
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12

How to deal with battery in circuit

  • tefavolc
  • · Replies 2 ·
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2

Help me in selecting a power supply for conductivity measurements

  • tabasko
  • · Replies 3 ·
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3

New Guy question about electronic component

  • NeilWallace
  • · Replies 6 ·
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6

PCI express for board-to-board link.

  • fiedel
  • · Replies 3 ·
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3

Information Theory Applied to Audio Signal Processing/Broadcasting

  • kususe
  • · Replies 5 ·
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5

Optimizing Voltage Measurement in High Resistance Circuits

  • Idea04
  • · Replies 3 ·
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3

Help Finding RFID Reader & Interfacing for Senior Project

  • ajaustin12
  • · Replies 1 ·
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1

Help in electromagnetic sensors

  • Great soul
  • · Replies 4 ·
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4

Buck Converter High-Side Switch

  • Fish4Fun
  • · Replies 1 ·
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1

Common Cathode Diodes: Safe to Use in Parallel?

  • DragonPetter
  • · Replies 3 ·
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3

How Should I Begin Programming My PIC16F628A Bluetooth Remote Control Car?

  • jenelann
  • · Replies 1 ·
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1

Purpose of circuit components in this schematic

  • UR_Correct
  • · Replies 7 ·
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7

Control Circuit (9VDC) For 12VDC Circuit

  • Darendor
  • · Replies 11 ·
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11

New Technology: Scientists Create 'Anti-Laser' Device

  • MacLaddy
  • · Replies 1 ·
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1

Convert Power Supply to 12V Lab Power Supply

  • looklikeaflip
  • · Replies 15 ·
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15

Need help building a device to manipulate low voltage

  • Marky522
  • · Replies 1 ·
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1

Looking for a low/no current alternative to a SPST relay

  • zeb
  • · Replies 20 ·
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20

Magnetism and magnetic field reflector

  • sameev29
  • · Replies 1 ·
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1

PFCD to help house power quality?

  • romeff00
  • · Replies 10 ·
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10

Should I Pursue Graduate Studies in Physics or Electrical Engineering?

  • tamtam402
  • · Replies 6 ·
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6

How to install new lights in an automobile

  • Pagedown
  • · Replies 3 ·
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3

FFT of a signal (non constant time)

  • mcodesmart
  • · Replies 3 ·
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3

Why don't superconductors emit a lot of heat?

  • osnarf
  • · Replies 4 ·
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4

Understanding the Use of Variable Notation in the DTFT

  • Jammin_James
  • · Replies 1 ·
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1

Remote controlled car - Bluetooth Controlled

  • Shahil
  • · Replies 6 ·
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6

Kit for Art of Electronics (Horowitz and Hill)?

  • Simfish
  • · Replies 6 ·
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6

Delta wye connection using 3 small transformers

  • sauce6358
  • · Replies 5 ·
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5

How can I create a motion sensitive toy that lights up and makes sounds?

  • nuclear-rabbi
  • · Replies 2 ·
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2

Symbolism: Bulk-Source Difference Explained

  • Turin231
  • · Replies 3 ·
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3

Invert Battery and Maintaining Low Noise

  • dmorris619
  • · Replies 4 ·
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4

Electric / thermal mineral separation.

  • ColdGold
  • · Replies 1 ·
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1

Circuit Question (Purpose of the Resistors)

  • yUNeeC2
  • · Replies 2 ·
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2

Is it true that the voltage at a point means the quantity of charge at

  • amaresh92
  • · Replies 3 ·
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3

How should I properly supply power to the DAC813?

  • Nah_Roots
  • · Replies 1 ·
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1

Which Light Bulb Lights Up First in a Circuit?

  • Bassalisk
  • · Replies 14 ·
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14

Understanding SMPS Parameters: Burst Duty, Frequency & More

  • rama1001
  • · Replies 3 ·
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3

Direct connection of two batteries

  • kimmy510
  • · Replies 1 ·
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1

Insights from Career Electrical Engineers: A Q&A Session

  • haroanarchist
  • · Replies 1 ·
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1

Operational Amplifier: How Does It Work?

  • ali297
  • · Replies 3 ·
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3

How can we power -48 VDC device

  • dufferdev
  • · Replies 15 ·
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15

Are Mega Testers Accurate for Testing Puck Thyristors?

  • roro36
  • · Replies 6 ·
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6

What is the difference between a Preamplier EDFA and a Booster EDFA

  • narra
  • · Replies 1 ·
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1

Input and Output resistance(CE amplifier)

  • Mathslova
  • · Replies 24 ·
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24

Seebeck Effect applied to Fire?

  • GoldenTurtle
  • · Replies 7 ·
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7

Regulated vs Unregulated regrading to SMPS

  • rama1001
  • · Replies 9 ·
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9

Simple Transmission Line Question

  • HasuChObe
  • · Replies 4 ·
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4

How Does Cable Size Affect Voltage Drop in Three-Phase Systems?

  • lukas86
  • · Replies 9 ·
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9

Memory in logic gates for specified time intervals

  • thespaceman
  • · Replies 2 ·
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2

Neutral Wires: What They Are & Their Colors

  • sayed5555
  • · Replies 4 ·
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4

Calculating Energy Per Bit from Symbols Constellation

  • kususe
  • · Replies 1 ·
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1

Understanding the width of the depletion region in a p-n junction

  • skweiler
  • · Replies 6 ·
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6

Designing a PIR Motion Sensor w/ BC-547 Transistor

  • suryakalpo
  • · Replies 1 ·
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1

Energy Loss vs Energy Delivered and Voltage Drop - Confused

  • mathological
  • · Replies 10 ·
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10

5VDC sgnl to 24VDC sgnl using a transistor

  • dgeccles
  • · Replies 9 ·
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9

Multiple Energy Sources - Analytical Solution

  • FrankST
  • · Replies 2 ·
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2

Charging a lithium ion battery pack with a thermoelectic generator

  • Pooty
  • · Replies 2 ·
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2

Correcting Voltage Drop by Adding Resistor L Pad

  • Idea04
  • · Replies 3 ·
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3

Can One Secondary Transformer Power Multiple Outputs on a DC Power Supply?

  • Jiggy-Ninja
  • · Replies 16 ·
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16

Audio Distortion With and Increase in the length (NOOB)

  • bkendra5
  • · Replies 2 ·
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2

Oscilloscope: Applying AC Voltage to a Circuit

  • herbgriffin
  • · Replies 2 ·
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2

Understanding the Ohm: Definition, Explanation, and Examples

  • Femme_physics
  • · Replies 5 ·
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5

Does resistance go up or down with an increase in temperature?

  • Femme_physics
  • · Replies 6 ·
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6

Troubleshooting a Piezo Lighter: An Unreliable Task

  • wushumaster
  • · Replies 3 ·
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3

SNMP protocol and microcontroller

  • ElectroPhysics
  • · Replies 1 ·
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1

Building a Sensor Circuit to Measure High Temperatures

  • lakmalp
  • · Replies 1 ·
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1

Fastest modulation: laser diode vs LED

  • fisico30
  • · Replies 1 ·
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1

The point of alternating currents?

  • Femme_physics
  • · Replies 14 ·
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14

Standard for the distance between Elec. & Data connections / cables

  • happy.smiler
  • · Replies 3 ·
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3
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1

Discharging a high voltage capacitor using a low voltage source?

  • seahs
  • · Replies 6 ·
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6

What do the markings on a capacitor mean?

  • justlearning
  • · Replies 4 ·
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4

Digital Electronics: BJT Flip Flop Circuit Diagram

  • kuchun
  • · Replies 6 ·
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6

Where Can I Find a Connector for a 40kv 15ma High Voltage Power Supply?

  • Drakkith
  • · Replies 5 ·
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5

Replacing LED Bulbs with Different Wavelengths: How Difficult Is It?

  • chemaddict
  • · Replies 3 ·
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3

Double Pole Switches: Do They Have an Off Position?

  • amrisha16
  • · Replies 1 ·
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1

Temperature increase in filament due to resistance

  • protargol
  • · Replies 1 ·
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1

Parallel Battery Power Consumption Understanding

  • Tach
  • · Replies 20 ·
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20

DC Permanent Magnetic Generator Help

  • coolio3
  • · Replies 3 ·
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3

Why is CMOS logic voltage standardized at 3.3V instead of 3V or 3.5V?

  • likephysics
  • · Replies 3 ·
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3

Analog Electronics: Emitter Follower Working Principle

  • kuchun
  • · Replies 4 ·
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4

Rfid tag antenna design for moisture sensor

  • vebi
  • · Replies 11 ·
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11

Confused while designing copper busbars

  • palash_krz
  • · Replies 4 ·
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4

How to Connect a 3-Core Armoured Cable to a 3-Pin Socket?

  • el capitan
  • · Replies 1 ·
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1

Designing Comparator with Discrete BJTs

  • likephysics
  • · Replies 6 ·
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6