Electronics Questions & Answers last updated 1:08:44 AM PST

Bandwidth of butterworth Filter, 2 poles for QPSK	asked by Zerkses 0 answers · 0 comments June 15, 2019
Wiring a 4 pin R16-503 switch	asked by Chacal 0 answers · 0 comments June 13, 2019
Thevenin Equivalent with Dependent source	asked by ishugaur 0 answers · 0 comments June 12, 2019
Equivalent resistance	asked by kervedelic 0 answers · 1 comment June 11, 2019
calculating torque in a dc motor	asked by brad123456 0 answers · 2 comments June 07, 2019
How to tie dc accessory to higher voltage battery	asked by ptreads 0 answers · 0 comments June 06, 2019
Is it safe to Use Refurbished Electrical Equipment?	asked by kevinrichard211 0 answers · 0 comments June 05, 2019
Question about Function Generator XR2206CP	asked by mohsen.latif1369 0 answers · 0 comments June 04, 2019
Oscillascope	asked by Dudley7600 1 answer · 0 comments May 28, 2019
19V at 5A	asked by MeElec 1 answer · 0 comments May 28, 2019
Bootstrap circuit in IR2111	asked by Neethu585 0 answers · 0 comments May 25, 2019
[DC motor as dyno - measuring current]	asked by AMAN598 0 answers · 2 comments May 25, 2019
from circuit diagrams to simulation SOLVED	asked by gordonwwalker 1 answer · 0 comments May 23, 2019
HDMI Cable and HDMI Connector on PCB	asked by sarahk8 0 answers · 0 comments May 21, 2019
It is ok to replace my battery in another one...	asked by OriCohenV7 0 answers · 1 comment May 18, 2019
Is 9V OK for USB Hub	asked by voi9viper 0 answers · 0 comments May 14, 2019
Communicating devices Master/slave by a single wire	asked by Ahmad929 0 answers · 0 comments May 13, 2019
bandpass filters	asked by sovereign_xx 0 answers · 0 comments May 13, 2019
Stop start circuit / switch 10s run 10s stop then repeat	asked by Cullum 1 answer · 0 comments May 12, 2019
oscilloscope operation	asked by dcmack 2 answers · 1 comment May 10, 2019
Boombox failure on battery power	asked by SteveWise 0 answers · 3 comments May 08, 2019
Wiring Push Buttons	asked by PianomanWest 0 answers · 0 comments May 06, 2019
Does anyone know where I can get a detailed structure and working for LDMOS?	asked by misti 0 answers · 0 comments May 05, 2019
Need support to create a detecting sircuit	asked by Joshen74 0 answers · 3 comments May 05, 2019
PC External PSU	asked by Digit01 0 answers · 5 comments May 03, 2019

Search Questions & Answers

---

Ask a Question

Anyone can ask a question.

Did you already search (see above) to see if a similar question has already been answered? If you can't find the answer, you may ask a question.

---

About This Site

CircuitLab's Q&A site is a FREE questions and answers forum for electronics and electrical engineering students, hobbyists, and professionals.

We encourage you to use our built-in schematic & simulation software to add more detail to your questions and answers.

Acceptable Questions:

• Concept or theory questions
• Practical engineering questions
• “Homework” questions
• Software/hardware intersection
• Best practices
• Design choices & component selection
• Troubleshooting

Unacceptable Questions:

• Non-English language content
• Non-question discussion
• Non-electronics questions
• Vendor-specific topics
• Pure software questions
• CircuitLab software support

Please respect that there are both seasoned experts and total newbies here: please be nice, be constructive, and be specific!

New @ CircuitLab
Frostiger asked: "Non-inverting op amp (Battery..." 4 hours ago
allairemorgan saved circuit: "ESE215_FINAL_TRANSMITTER_MIXER"
febb saved circuit: "Clock LED Backup"
dpardo saved circuit: "741 schematic op amp circuit"
openapk commented on question: "Coffee Maker fix"
opendll commented on question: "Coffee Maker fix"
eliza0509 saved circuit: "2019FA-ENGR-2305-81500-EXAM1-QUESTI..."
Eng_Roy asked: "How to Design a voltage change..."
Microfiche commented on question: "Coffee Maker fix"
Foxx commented on question: "Coffee Maker fix"
portal6 asked: "Adding inline resistors to an..."
Xela2k replied to discussion: "Export Plot CSV Not Working"
Microfiche asked: "Coffee Maker fix"
drworry started discussion: "DC voltage tripler"
jp78 replied to discussion: "Configurable switches"
Dan.Ka replied to discussion: "Is CircuitLab abandoned?"
lotron answered: "NAND Gates circuit design"
estelleslighting answered: "Basic LED question"
Foxx answered: "Why Watts differ when voltage does..."
Gautamkohli answered: "Conversion of power"
CircuitLab Blog: "Electronics Hobbyists and Tinkerers"
CircuitLab Blog: "Server Availability Improvements"