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

Understanding BLDC Motor Control: Position, Speed, and Current

  • bagavac
  • · Replies 5 ·
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5

Building Schaffner FN410 Line Filter - Inductors Connected to Ground

  • Kilamir
  • · Replies 1 ·
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1

Building a Custom Schmitt Trigger with Variable Trigger Points

  • soidal
  • · Replies 2 ·
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2

UPS CCT Request: Full Bridge IGBT/Mosfet 220/240V 50Hz

  • curva nord
  • · Replies 3 ·
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3

Help in understanding Single pole filter in a STM Setup

  • Tanja
  • · Replies 3 ·
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3

How Can You Measure Noisy DC Voltage and Current Accurately?

  • Jdo300
  • · Replies 1 ·
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1

Understanding the Op Amp Minus Sign Symbol

  • Mindscrape
  • · Replies 11 ·
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11

High Power DAC for SM-10 (0-1000VDC)

  • Jdo300
  • · Replies 3 ·
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3

Capacitors and Inductors values

  • Corneo
  • · Replies 3 ·
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3

What Is the Unit of Inductance (Henry) & How Does It Work?

  • Mr_Bojingles
  • · Replies 1 ·
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1

Why Does RCD Trip with Earth Leakage Fault Downstream of UPS?

  • qbnchopper
  • · Replies 5 ·
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5

Help on this zero-volt triggered(switched) circuit

  • soidal
  • · Replies 1 ·
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1

Voltage Divider Help: Solving 12V Power Supply Issues for Telescope

  • russ_watters
  • · Replies 1 ·
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1

Build an Affordable 7-Segment Timer Circuit

  • circuit man
  • · Replies 10 ·
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10

Building and Testing a STM Circuit - Issues with Gain

  • tigigi
  • · Replies 10 ·
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10
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5

Good intro electrical engineering textbook?

  • psycovic23
  • · Replies 6 ·
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6

Basic Semiconductors (intrinsic concentration)

  • FrogPad
  • · Replies 4 ·
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4

InfraRed Transmitter -> Receiver

  • N468989
  • · Replies 1 ·
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1

Is there a DIN-unit or similar converter for rs232 to Analog Voltage?

  • tomjoad
  • · Replies 2 ·
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2

How to Graph a Sine Wave in PSpice for a Specific Time Interval?

  • EEKid
  • · Replies 1 ·
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1

Pd across resistors, can u explain the following?

  • deem
  • · Replies 3 ·
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3

Can I connect a D/A converter to RS232 for a 0-5V output?

  • Liad
  • · Replies 16 ·
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16

IC Biasing with Current Sources

  • howiehoward
  • · Replies 1 ·
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1

Multiple output switching regulator

  • Jdo300
  • · Replies 4 ·
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4

Stranded Conductor vs. Single Core

  • ENGRstudent
  • · Replies 2 ·
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2

Find the Volts/Div Scale: A Quick Guide

  • EEKid
  • · Replies 9 ·
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9

Can an Oversized Diode Cause Problems in a DC Control Circuit?

  • m.s.j
  • · Replies 1 ·
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1

A bit confused about BJT charge flow

  • Noesis
  • · Replies 6 ·
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6

Oscilloscopes and spectrum analyzers

  • Mr_Bojingles
  • · Replies 3 ·
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3

Rectify AC Voltage to 160VDC | Ivan's Electrical Project

  • darik
  • · Replies 3 ·
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3

Circuit Connection: Meaning of VEE to 50k Resistor

  • ACLerok
  • · Replies 2 ·
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2
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13

What is meant by "2-pole", "3-pole" or a "4pole" motor?

  • scothoward
  • · Replies 5 ·
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5

Creating Input Buttons for Microcontroller Circuits

  • dionysian
  • · Replies 4 ·
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4
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1

ADC to convert 1GHz+ frequency signal

  • schnitzer
  • · Replies 2 ·
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2
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2

Boost Converter Simulink Model Requests: Need Help With PWM Control

  • kalpanathota
  • · Replies 1 ·
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1

How Can I Create a High Voltage Arc with Capacitors and Transformers?

  • CPL.Luke
  • · Replies 18 ·
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18

How does reactive power oscillate back and forth?

  • Mo
  • · Replies 1 ·
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1

What happens if you force a different voltages into opamp?

  • asd1249jf
  • · Replies 2 ·
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2

Some kind of LC sound resonator?

  • Oblio
  • · Replies 3 ·
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3

Simple RL Circuit: Verifying Current Flow After Switch Opened

  • kdinser
  • · Replies 5 ·
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5

Time Constant: Why \tau = RC and 63%?

  • EugP
  • · Replies 2 ·
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2

Forces between two current elements and Newton's third law

  • m.s.j
  • · Replies 9 ·
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9

Series & Parallel Resistors: Understanding the Basics

  • Fys
  • · Replies 1 ·
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1

What does it mean to fine-tune a circuit?

  • POLISH_Soldier
  • · Replies 1 ·
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1

Transmitting a Byte Over Infrared to RS 232

  • N468989
  • · Replies 1 ·
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1

DC Control systems and polarity

  • m.s.j
  • · Replies 4 ·
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4

Turning LED's into photodiodes?

  • petitericeball
  • · Replies 7 ·
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7

Where do I start to determine where the problem is?

  • ApothecaryGuy
  • · Replies 4 ·
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4

Do I Need a Capacitor to Smooth DC in My Power Supply?

  • Karl1411
  • · Replies 2 ·
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2

Tester shows volts but circuit won't light

  • electra1
  • · Replies 8 ·
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8

G: Adding a PROM to Spartan-II FPGA

  • LTDigital
  • · Replies 1 ·
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1

Designing a Small Location Detection System with RFID Tags

  • benzun_1999
  • · Replies 4 ·
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4

Two source circuit thevenin and norton

  • Fys
  • · Replies 2 ·
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2

Causal Systems: Understanding the Basics

  • Tom McCurdy
  • · Replies 3 ·
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3

Bad Circuits - Test Your Knowledge

  • berkeman
  • · Replies 164 ·
6
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164

Going From C.S. Undergrad to E.E. Graduate

  • rgreen59
  • · Replies 5 ·
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5

AD9959 PCB Footprint Import for ExpressPCB Layout - Tips and Resources

  • Jdo300
  • · Replies 1 ·
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1

Capacitor Control: Is There a Way to Control Discharge?

  • nuncoop
  • · Replies 5 ·
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5

Rating of Transformers: KVA vs KW

  • ikram_dp
  • · Replies 2 ·
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2

How Does Current Change with Resistance in Constant Voltage Sources?

  • greatest
  • · Replies 5 ·
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5

Who Can Help Joe Vieitez with His Engineering Class Report?

  • aeperson90
  • · Replies 3 ·
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3

Maintain constant Power in varying load

  • weeb0
  • · Replies 1 ·
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1
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6

Timing control for motor using a potentiometer

  • Timed Out
  • · Replies 2 ·
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2

What is the maximum reach of electric bolts from a Tesla coil?

  • LostInSpaceTime
  • · Replies 1 ·
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1

Can anyone tell me that Ohm law apply on Transformer or not?

  • ikram_dp
  • · Replies 3 ·
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3

Can a capacitor be used to fuel the electrolysis process?

  • linda123
  • · Replies 2 ·
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2

Practical Voltage Translator Question

  • TheAnalogKid83
  • · Replies 8 ·
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8

Series or parallel coils for equal resonance

  • arthur92710
  • · Replies 7 ·
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7

DIY Solar Cell Technology - Making it at Home Conditions

  • Raivis
  • · Replies 3 ·
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3

Simple Digital Wireless transceiver IC?

  • Jdo300
  • · Replies 3 ·
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3

Magnetic Stripe Readers, Plastic Bag Trick?

  • wirenut110
  • · Replies 8 ·
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8

Effects of Solar Magnetic Storms on Early Telegraphy and Telephony

  • RJ Emery
  • · Replies 25 ·
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25

V & I of 208/230V 3ph 60hz Motor at 40 A

  • davpv
  • · Replies 9 ·
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9

Increase UPS run-time with bigger batteries?

  • longneck
  • · Replies 1 ·
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1

How Do You Solve This High Pass Filter ODE Problem?

  • brad sue
  • · Replies 5 ·
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5

Switching window in comparators

  • Gokul43201
  • · Replies 4 ·
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4

What are some project design ideas for signal processing and electronics?

  • brad sue
  • · Replies 3 ·
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3

What Are the Secrets Behind How EM Waves Travel Across the Globe?

  • Mr_Bojingles
  • · Replies 6 ·
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6

A. The dynamic range of an 8 bit DAC is approximately 48 dB.

  • engineer23
  • · Replies 4 ·
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4

Can a Single Chip Handle High Voltage DC Bias for Experimental Use?

  • Jdo300
  • · Replies 4 ·
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4

Online Solder Iron Shopping: What You Need to Know

  • |)a\/1d
  • · Replies 7 ·
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7

Integrators and Differentiators

  • TheAnalogKid83
  • · Replies 3 ·
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3

Navigating Electronics Basics: Learning What to Start With

  • Mr_Bojingles
  • · Replies 1 ·
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1

Does this device follow Passive Sign Convention?

  • Alpha Russ Omega
  • · Replies 13 ·
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13

Input Impedance: Low-Pass vs High-Pass Filter

  • fizziks
  • · Replies 3 ·
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3

Creating Sine Wave - Oscillator/Chips for 100kHz Output

  • edmondng
  • · Replies 11 ·
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11

Help Solve a Forensic Investigation of a Fire

  • MikeRushton
  • · Replies 15 ·
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15

Base conversion - the LOGIC and INTUITION behind it

  • O.J.
  • · Replies 2 ·
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2

Average Power for Frequency < Fundamental Frequency: An Analysis

  • sarveshkumarv
  • · Replies 1 ·
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1

A question for hams/radio heads: radio astronomy

  • linear_shift
  • · Replies 6 ·
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6

Using a Lower Rated Adapter: Potential Damage to Laptop and Battery?

  • dunav
  • · Replies 1 ·
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1

Are there any decent dip package mixer ic's?

  • electricalcoolness
  • · Replies 3 ·
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3

Is a Low Pass Filter Suitable for a Basic Noise Filtering Circuit?

  • ice109
  • · Replies 3 ·
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3

Troubleshooting Phone-Induced Clicks in Speakers

  • Phymath
  • · Replies 11 ·
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11

Help with manipulating a digital signal

  • Terry335
  • · Replies 3 ·
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3