User Johan.A

39 votes

Accepted

My scope detects a 50Hz signal when the probe is not connected to a circuit, is this normal?

answered Aug 14, 2013 at 9:58

23 votes

Do electrical devices "take what they need"

answered Oct 15, 2013 at 14:34

14 votes

Two's complement of hexadecimal

answered Oct 9, 2013 at 6:26

10 votes

What are the smallest microcontrollers?

answered Oct 9, 2013 at 13:33

10 votes

Where does all the power consumed by a CPU go?

answered Aug 16, 2013 at 15:15

7 votes

Accepted

Emitter follower: Icq and Vceq calculation

answered Aug 13, 2013 at 12:40

7 votes

how to build a circuit that compares two potentials?

answered Mar 2, 2013 at 13:01

7 votes

Will Stressing a Lamp Filament with AC, DC and/or Relay chatter change its lifespan?

answered Aug 21, 2013 at 7:33

3 votes

How do step-up transformers work?

answered Sep 1, 2013 at 9:37

3 votes

A step function, \$u(t)=1\$, for \$t \gt 0\$. What is the value of \$u(0)\$?

answered Feb 24, 2013 at 7:21

3 votes

newbee wants to know about 315 / 433MHZ

answered Feb 23, 2013 at 16:00

3 votes

Digital Analog Converter chip , pre programmed?

answered Aug 11, 2013 at 16:57

2 votes

From what used/junk equipment can I salvage solenoids from?

answered Aug 13, 2013 at 10:56

2 votes

Parallel circuit

answered Aug 19, 2013 at 17:52

2 votes

Calculate transfer function with Sine generator

answered Feb 23, 2013 at 11:24

2 votes

Designing FIR filters

answered Feb 23, 2013 at 14:42

2 votes

Power plug orientation and usability

answered Aug 22, 2013 at 7:21

2 votes

Keeping digital logbooks for individual projects

answered Aug 25, 2013 at 10:30

1 vote

Allowable ampacity through cable

answered Aug 21, 2013 at 8:02

1 vote

Resistors and the water analogy

answered Oct 15, 2013 at 14:38

1 vote

Ultrasonic sensor doesn't work inside case

answered Feb 24, 2013 at 7:13

1 vote

Please help with Identifying my diode?

answered Feb 26, 2013 at 8:42

1 vote

Is a solenoid considered a DC Motor?

answered Aug 7, 2013 at 14:24

1 vote

How to ensure long-duration manufacturing of central components?

answered Aug 7, 2013 at 14:36

1 vote

Why do we use bridge rectifier?

answered Aug 16, 2013 at 9:04

1 vote

Digital Analog Converter chip , pre programmed?

answered Aug 12, 2013 at 17:36

0 votes

Safety relay toggle time

answered Nov 11, 2013 at 15:15

Stack Exchange Network

27 Answers

My scope detects a 50Hz signal when the probe is not connected to a circuit, is this normal?

Do electrical devices "take what they need"

Two's complement of hexadecimal

What are the smallest microcontrollers?

Where does all the power consumed by a CPU go?

Emitter follower: Icq and Vceq calculation

how to build a circuit that compares two potentials?

Will Stressing a Lamp Filament with AC, DC and/or Relay chatter change its lifespan?

How do step-up transformers work?

A step function, \$u(t)=1\$, for \$t \gt 0\$. What is the value of \$u(0)\$?

newbee wants to know about 315 / 433MHZ

Digital Analog Converter chip , pre programmed?

From what used/junk equipment can I salvage solenoids from?

Parallel circuit

Calculate transfer function with Sine generator

Designing FIR filters

Power plug orientation and usability

Keeping digital logbooks for individual projects

Allowable ampacity through cable

Resistors and the water analogy

Ultrasonic sensor doesn't work inside case

Please help with Identifying my diode?

Is a solenoid considered a DC Motor?

How to ensure long-duration manufacturing of central components?

Why do we use bridge rectifier?

Digital Analog Converter chip , pre programmed?

Safety relay toggle time