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How Far Can I Hear My Mobile With 3 Batteries, Amplifier Circuit, and New Speaker?

Anonymous   14 Nov 2013   (0)
EEWeb
14 Nov 2013 11:23

Why Does Collector Current in NPN BJT Depend on Base Current in Common Base Mode?

Anonymous   14 Nov 2013   (4)
EEWeb
14 Nov 2013 15:12

What Is a Biomimetic Energy System? Key Concepts for Interview Preparation

Anonymous   13 Nov 2013   (1)
EEWeb
13 Nov 2013 14:34

Where to Buy White or Grey Right-Angle 10A 3-Pin Appliance Power Cords in Australia?

Anonymous   13 Nov 2013   (0)
EEWeb
13 Nov 2013 02:29

RFM12BP Module BASCOM Code Example for Basic Wireless Communication

Anonymous   13 Nov 2013   (0)
EEWeb
13 Nov 2013 01:09

CST Microwave Studio Error: Discrete Port Inside Perfect Conductor on Amos-5 Antenna

Anonymous   12 Nov 2013   (0)
EEWeb
12 Nov 2013 22:08
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Passive Harmonics Filter and Linear and Switching Mode Power Regulators

Anonymous   12 Nov 2013   (0)
EEWeb
12 Nov 2013 12:38

How to Use a Transistor Instead of a Relay to Trigger a 555 Timer Circuit

Anonymous   12 Nov 2013   (1)
EEWeb
12 Nov 2013 06:15

How to Identify Emitter, Collector, and Base of a Transistor Using a Multimeter

Anonymous   12 Nov 2013   (3)
EEWeb
12 Nov 2013 18:33

What Causes Fireballs or Arcs to Travel Along Powerlines During Electrical Faults?

Anonymous   12 Nov 2013   (1)
EEWeb
12 Nov 2013 13:18
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Best Online Tools for Project Simulation and Visualization of Results

Anonymous   12 Nov 2013   (2)
EEWeb
29 Nov 2013 18:52

Why do you add 1 amp to a short circuit when solving for Rth?

Anonymous   11 Nov 2013   (1)
EEWeb
11 Nov 2013 20:30

Choosing Pull-Up Resistors and Capacitance for 555 Timer Bistable Motor Speed Control

Anonymous   11 Nov 2013   (2)
EEWeb
11 Nov 2013 13:12

Why don’t we get shocked touching the negative terminal of an electrical source?

Anonymous   11 Nov 2013   (9)
EEWeb
31 Jan 2014 15:58

Three Phase Induction Motor Overheating: Common Causes of Bearing and Winding Failure

Anonymous   11 Nov 2013   (7)
EEWeb
15 Jun 2012 23:00

Where to Find Telemecanique Product Manuals on the New Schneider Electric US Website?

Anonymous   11 Nov 2013   (3)
EEWeb
14 Jun 2012 04:12

Best Transistor Choices for 1.5MHz Sample and Hold Circuit in 8-bit ADC (5V Vdd)

Anonymous   11 Nov 2013   (1)
EEWeb
11 Nov 2013 12:12

Best MOSFET or BJT Choice for 1.5MHz Sample and Hold, 5V, 8-bit ADC, Breadboard/PCB

Anonymous   11 Nov 2013   (0)
EEWeb
11 Nov 2013 08:41

Multiple feedback bandpass filter? Electronics and Electrical Engineering?

Anonymous   10 Nov 2013   (1)
EEWeb
11 Nov 2013 12:15

What does the negative half cycle of an AC waveform mean in single phase wiring?

Anonymous   10 Nov 2013   (6)
EEWeb
22 Dec 2013 14:43

555 timer circuit not oscillating as expected—using new parts, ECT model troubleshooting

Anonymous   10 Nov 2013   (1)
EEWeb
11 Nov 2013 12:14

Is There a Black Box to Parallel Multiple Portable Gas Generators for More Wattage?

Anonymous   09 Nov 2013   (3)
EEWeb
16 Nov 2013 08:59

Are Pins 3 and 6 Reversed in NiMh/NiCd Battery Charger 555 Timer Circuit Schematic?

Anonymous   09 Nov 2013   (0)
EEWeb
09 Nov 2013 19:42

Connecting Multiple 400ST/R160 Ultrasonic Receivers for Omnidirectional Sensing

Anonymous   09 Nov 2013   (2)
EEWeb
10 Dec 2013 06:51

Is there any device which converts vibrations or noise into electricity?

Anonymous   08 Nov 2013   (2)
EEWeb
09 Nov 2013 06:27

Top 3 Cutting Edge Technologies in 2024: AI, Quantum Computing, and 5G Networks?

Anonymous   08 Nov 2013   (2)
EEWeb
11 Nov 2013 22:13

Connecting Photoelectric Sensors in Parallel in Industrial Automation Circuits

Anonymous   07 Nov 2013   (4)
EEWeb
29 Nov 2013 03:19

eCalc bug with polar coordinates in scientific notation and contacting developers

Anonymous   05 Nov 2013   (3)
EEWeb
12 Nov 2013 01:52

How to Determine Robot Xid Position and Extend Color Sensor Range in Lego NXT 2.0 PSO Project

Anonymous   05 Nov 2013   (0)
EEWeb
05 Nov 2013 14:28

RF Shielding Paint vs Fabrics for Smart Meter EMF: Room or Whole House Application?

Anonymous   05 Nov 2013   (1)
EEWeb
05 Nov 2013 17:37

Component Identification in Insulation Test Circuit Diagram (DSC_5863-1)

Anonymous   05 Nov 2013   (4)
EEWeb
10 Nov 2013 00:02

How to Build a Band Stop Filter Using 2 Resistors and 2 Capacitors (RC Filters)

Anonymous   05 Nov 2013   (1)
EEWeb
05 Nov 2013 04:52

IRFP460 H-Bridge Output Swing Unstable with IR2110 Driver—UPS Supply Fixes Issue

Anonymous   04 Nov 2013   (0)
EEWeb
04 Nov 2013 10:13

Why Do Push-Pull SMPS Transistors Conduct Alternately Instead of Simultaneously?

Anonymous   04 Nov 2013   (2)
EEWeb
04 Nov 2013 22:03

Induction Furnace Work Coil Shows 50VAC but No Heating—Why Is There No Induction?

Anonymous   04 Nov 2013   (0)
EEWeb
04 Nov 2013 01:18

How does overload protection in a UPS work during a short-circuit?

Anonymous   03 Nov 2013   (5)
EEWeb
08 Jan 2014 01:42

Antenna Recommendations With Built-In High Pass Filter for <100 MHz Rejection (Partial Discharge)

Anonymous   02 Nov 2013   (4)
EEWeb
07 Nov 2013 06:55

Connecting 2 Phases of 3-Phase Power to a Single Phase Transformer: What Happens?

Anonymous   02 Nov 2013   (2)
EEWeb
04 Nov 2013 02:59

Connecting 2 Phases of 3-Phase Power to a Single Phase Transformer—What Happens?

Anonymous   02 Nov 2013   (0)
EEWeb
02 Nov 2013 08:13

How many mobile phone batteries to increase ringtone from 70 dB to 140 dB with amplifier?

Anonymous   01 Nov 2013   (2)
EEWeb
02 Nov 2013 09:24

Bare Aluminum Conductor Size for 350m 3-Phase 4-Wire LV Line Carrying 250A Load

Anonymous   01 Nov 2013   (1)
EEWeb
01 Nov 2013 18:44

Why is eCalc no longer available or supported on MAC computers?

Anonymous   01 Nov 2013   (2)
EEWeb
01 Jul 2019 17:23

Where to Find and Join Threads on Electronics DIY Websites for Community Discussions

Anonymous   01 Nov 2013   (1)
EEWeb
04 Feb 2014 04:31

Increasing Sender/Receiver Distance and Identifying Signal Type in Cycling Odometer

Anonymous   31 Oct 2013   (1)
EEWeb
01 Nov 2013 18:23

How to Choose the Right Lighting Control Panel for Your Building or Project

Anonymous   31 Oct 2013   (1)
EEWeb
01 Nov 2013 18:24

Oscilloscope Ground Clip Safety When Measuring Circuits with Isolation Transformer

Anonymous   31 Oct 2013   (1)
EEWeb
01 Nov 2013 08:31

Calculating Line Currents for 3-Phase 220V System Using Symmetrical Components

Anonymous   30 Oct 2013   (3)
EEWeb
19 Nov 2013 03:45

How to Build a Photocell Circuit With Adjustable Light Cutoff Threshold?

Anonymous   30 Oct 2013   (1)
EEWeb
31 Oct 2013 21:09

Existing Wire-Cut Detection Devices for Tamper-Proof Taxameter Connections?

Anonymous   30 Oct 2013   (0)
EEWeb
30 Oct 2013 07:23

Why Connect Oscilloscope Ground Clip to Main Line Instead of Across Diac Directly?

Anonymous   29 Oct 2013   (1)
EEWeb
30 Oct 2013 11:07
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electronic circuits, electronic constructions, projects: power supply, amplifier

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