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

How can I improve the current output at PD?

  • thomas_n
  • · Replies 2 ·
Replies
2

Jump into the Field of Remote Control (RC): How Difficult?

  • Peavey
  • · Replies 3 ·
Replies
3

Where Does Amplification Occur in Vacuum Tubes? A Detailed Analysis

  • vikram789
  • · Replies 6 ·
Replies
6

Programmable Bluetooth Transmitter for Extended Range - No Cellphone Required!

  • binary_code
  • · Replies 1 ·
Replies
1

Health risks with radio transmission?

  • chebyshevF
  • · Replies 8 ·
Replies
8

Finding a replacement multimeter after damaging grandfather's analog meter

  • Bassalisk
  • · Replies 21 ·
Replies
21

Can I Calculate a Power Triangle with Given Voltage and Current?

  • AngusBurger
  • · Replies 1 ·
Replies
1

How does a transistor amplify AC signals at the base?

  • Bassalisk
  • · Replies 18 ·
Replies
18

Cabinet Alarm Circuit Design Using Op-Amp and Thyristor Technology

  • rollcast
  • · Replies 1 ·
Replies
1

Calculating radio signal distances

  • Ryan H
  • · Replies 2 ·
Replies
2

How does the depletion zone form at a p-n junction?

  • Bassalisk
  • · Replies 5 ·
Replies
5

Controlling LED with Transistor

  • cepheid
  • · Replies 5 ·
Replies
5

Understanding Bandgap Voltage Reference Circuits

  • likephysics
  • · Replies 5 ·
Replies
5
Replies
7
Replies
6

12 DC Volt Boost to 15 DC Volt - 1 amp

  • RV-Traveler
  • · Replies 3 ·
Replies
3

Why do comparator specs emphasize propagation delay instead of rise time?

  • likephysics
  • · Replies 3 ·
Replies
3

Why is 20V, 40mA outside the 2N7000 safe operating area?

  • rbelli1
  • · Replies 4 ·
Replies
4

Reverse Biasing a Voltage Regulator

  • Jdo300
  • · Replies 2 ·
Replies
2

Use of 8255 programmable peripheral interface

  • erece
  • · Replies 1 ·
Replies
1

I want to make a DC adapter which outputs 13.5V 6AMP

  • alpstheguru
  • · Replies 4 ·
Replies
4

Components and operations of electric generators

  • ych22
  • · Replies 1 ·
Replies
1

Problem with design of inverter.

  • powermelm
  • · Replies 2 ·
Replies
2

Car Batteries, and how they're connected

  • dhong089
  • · Replies 3 ·
Replies
3

Converting 115V AC to DC without losing voltage

  • leo17
  • · Replies 1 ·
Replies
1

Transformer vector group Dyn11 and Dyn1

  • adool_617
  • · Replies 1 ·
Replies
1

Whats all this impedance stuff anyhow?

  • dnyberg2
  • · Replies 4 ·
Replies
4

High value resistors, gigaohm to teraohm.

  • Dmytry
  • · Replies 7 ·
Replies
7

Can a Smaller, More Powerful Microwave Source Replace Triode Amplifiers?

  • theobserver
  • · Replies 5 ·
Replies
5

Tuning a Coil or Loop Antenna at 49 MHz

  • dnyberg2
  • · Replies 1 ·
Replies
1

5000 watt 120V generator to charge 10 12V Automotive batteries

  • Xasio
  • · Replies 7 ·
Replies
7

How Can I Calculate the Power Output of My Electric Coil Design?

  • nattyb52
  • · Replies 6 ·
Replies
6

What can I do with a transformer?

  • albertfrederi
  • · Replies 3 ·
Replies
3

Programming a video camera for a noob

  • seldon
  • · Replies 3 ·
Replies
3

Building a computer controlled switch: what components do I need?

  • Bassalisk
  • · Replies 24 ·
Replies
24

Where Are Binary Weightings Assigned in Shift Registers?

  • Jag1972
  • · Replies 3 ·
Replies
3

Understanding capacitance formula

  • Femme_physics
  • · Replies 4 ·
Replies
4

Car Battery Rapidly Losing Voltage Difference

  • exitwound
  • · Replies 22 ·
Replies
22
Replies
5

Textbook for building a zoom-capable IR scope with contrast

  • rppearso
  • · Replies 14 ·
Replies
14

Sampling and recovering a Sawtooth wave

  • Cliste
  • · Replies 3 ·
Replies
3

Use an IC to tuner fm transmitter

  • GiTS
  • · Replies 1 ·
Replies
1
Replies
3

Line voltage vs phase voltage for base value calculations

  • anon6912
  • · Replies 3 ·
Replies
3

Problems with tesla coil, looking for suggestions

  • ttwitchh
  • · Replies 2 ·
Replies
2

Current flow quandary. Capacitors VS Resistors

  • Femme_physics
  • · Replies 8 ·
Replies
8

Can Any LTI System Be Characterized by Its Impulse Response or Eigenvalues?

  • machinarium
  • · Replies 1 ·
Replies
1

Building a USB video converter for unsupported Samsung HDTV

  • sneaky666
  • · Replies 6 ·
Replies
6

Noise from unplugged power supply :S

  • Kawakaze
  • · Replies 3 ·
Replies
3

PNP transistor saturation and current amplification modes

  • Bassalisk
  • · Replies 12 ·
Replies
12

What Happens to Op-Amp Gain When Switch is On?

  • foobag
  • · Replies 5 ·
Replies
5

Potentiostat the potentiostat circuit

  • raksha1405
  • · Replies 2 ·
Replies
2

Why oversample if you already satisfy Nyquist rate?

  • DragonPetter
  • · Replies 1 ·
Replies
1

Inductance of Solenoid w/ Rod Inside: R, L, N, I, μ

  • eric336
  • · Replies 1 ·
Replies
1

Can a 24V Relay be Energized Safely with a 6A Power Supply?

  • joemunson
  • · Replies 3 ·
Replies
3

One sided noise spectral density VS double sided noise spectral density

  • unseensoul
  • · Replies 1 ·
Replies
1

Feeding two 50-ohm RF filters in parallel from one source

  • dnyberg2
  • · Replies 5 ·
Replies
5

Anti theft gate things in shops/libraries.

  • Disconnected
  • · Replies 5 ·
Replies
5
Replies
3

Transformer primary to secondary short?

  • Evil Bunny
  • · Replies 12 ·
Replies
12

Flip Flops and clocks with multisim

  • ranger
  • · Replies 6 ·
Replies
6

Why do my transformer secondary windings show 0.3 ohms resistance?

  • Pagedown
  • · Replies 13 ·
Replies
13
Replies
1

Rectifier polarity for lead acid bike battery charging

  • yshtar
  • · Replies 28 ·
Replies
28

Is Reactance the Magnitude of Impedance or Its Complex Part?

  • JesseC
  • · Replies 2 ·
Replies
2

Can the output voltage of a circuit be larger than its input

  • Abunada
  • · Replies 9 ·
Replies
9

Filter Signal: High or Low Pass?

  • trn09
  • · Replies 2 ·
Replies
2

Can I adjust R4 and R5 to maintain a 12k input impedance?

  • likephysics
  • · Replies 4 ·
Replies
4

Finding triax vacuum feedthrough connectors for chamber panels

  • carapauzinho
  • · Replies 2 ·
Replies
2

Electronics Repair: Just an Observation

  • trini
  • · Replies 4 ·
Replies
4

What is the difference between AC and DC windings?

  • amaresh92
  • · Replies 2 ·
Replies
2

555 timer output stuck at 2/3 Vcc instead of Vcc

  • wolfram74
  • · Replies 6 ·
Replies
6

Why use delta and star load connections

  • amaresh92
  • · Replies 4 ·
Replies
4

Thermocouple in inductive surrounding

  • roro36
  • · Replies 3 ·
Replies
3

10 Pin Dual 7 Segment Display cant find documentation

  • JCoder
  • · Replies 11 ·
Replies
11

Calculating DAC Decimal Resolution with R-2R Ladder and 1 Volt Input

  • foobag
  • · Replies 5 ·
Replies
5

Battery Series Powering GPS Device: Safe?

  • Topper64
  • · Replies 5 ·
Replies
5
Replies
4

Series Connected D.C Motor Characteristics

  • 1988ajk
  • · Replies 5 ·
Replies
5

Solenoid and toroid inductance puzzle

  • phy5m2w
  • · Replies 5 ·
Replies
5
Replies
6

How to design and construct a LDR

  • Muhammad1993
  • · Replies 1 ·
Replies
1

How do you make a motion sensor alarm circuit?

  • Muhammad1993
  • · Replies 1 ·
Replies
1

How Many Turns Requred For 220v-100v,180v 100VA Rating Transformer

  • u_know_who
  • · Replies 1 ·
Replies
1

How Does a DC Power Supply Function and What Are Its Key Features?

  • PainterGuy
  • · Replies 36 ·
2
Replies
36

How to design a ciruit that has 2 LED Lights

  • Muhammad1993
  • · Replies 10 ·
Replies
10

Trying to make an RTD that also duals as a heater

  • Tdunlap
  • · Replies 2 ·
Replies
2

Why does a 1000W dishwasher draw more current at 120V than 220V?

  • Bassalisk
  • · Replies 24 ·
Replies
24

Finding affordable conductive adhesive film for USB pad repair

  • Devyn@2nd
  • · Replies 7 ·
Replies
7

Anderson bridge used to measure self-inductance.

  • angel23
  • · Replies 3 ·
Replies
3
Replies
10

Why do switches spark when opening a connection to a load?

  • david90
  • · Replies 4 ·
Replies
4

Why Do Minority Carriers Persist in P-Type Material?

  • Aranion
  • · Replies 3 ·
Replies
3

Working in the semiconductor field?

  • arachnotron
  • · Replies 1 ·
Replies
1

Analog sensor data over the ethernet

  • Liad
  • · Replies 1 ·
Replies
1

Changing voltmeter resistor value

  • Idea04
  • · Replies 11 ·
Replies
11
Replies
5

When should I use graphical convolution instead of direct integration?

  • sed199
  • · Replies 4 ·
Replies
4

Understanding 555 Timer Monostable Mode

  • Ali Inam
  • · Replies 4 ·
Replies
4

Why RDSon has postive temp coefficent

  • Aranion
  • · Replies 3 ·
Replies
3