User hotpaw2

41 votes

Why does Intel's Haswell chip allow floating point multiplication to be twice as fast as addition?

answered Aug 8, 2019 at 23:57

29 votes

Accepted

Physics behind signal reflections and series termination

answered Mar 3, 2020 at 16:29

14 votes

Can somebody explain what IQ (quadrature) means in terms of SDR?

answered Feb 12, 2014 at 21:15

13 votes

Scaling FFT output by number of points in FFT

answered Jan 31, 2012 at 4:23

13 votes

Why does 1/4 wavelength have a ground plane and 1/2 wavelength needs none?

answered Feb 10, 2020 at 15:11

11 votes

Why only sine waves?

answered Nov 30, 2019 at 14:53

7 votes

Why can a MCU input floating pin easily change state?

answered Feb 15, 2020 at 16:31

7 votes

What is the minimum die area of a chip?

answered Dec 30, 2019 at 16:26

7 votes

Is it worth it or safe to design your own power supply?

answered Jan 29, 2020 at 0:41

6 votes

For mainstream computing what are the practical advantages of 64-bit register size CPUs given the needs of today and the near future?

answered Nov 17, 2019 at 2:29

6 votes

Understanding data transmission rates over copper wire

answered Aug 30, 2019 at 4:20

6 votes

Guitar to MIDI conversion

answered Jul 26, 2019 at 5:32

4 votes

Accepted

when and how is the machine language (binary stream) mapped to an existing instruction?

answered Aug 17, 2019 at 19:50

4 votes

Why a sinusodial signal expressed by a cosine function instead of a sin function?

answered Mar 27, 2017 at 7:00

4 votes

Why is it said that for efficient transmission of radiation, antenna size should be comparable to wavelength of the radiation?

answered Sep 3, 2019 at 21:54

4 votes

Why does modern bluetooth audio need lossy compression?

answered Mar 6, 2020 at 16:53

3 votes

Does the expression of amplitude modulated suppressed carrier even exist in reality?

answered Dec 30, 2019 at 15:58

3 votes

How Does Kirchoff's Law Make Sense

answered Feb 25, 2020 at 15:39

3 votes

Why in Digital Design only Capacitive load?

answered Dec 4, 2019 at 19:24

3 votes

Is a floating pin equivalent to a very weak pull down?

answered Feb 15, 2020 at 16:46

3 votes

What happens to the generator if we don't consume the generated electricity from generator? Only theoretical explanations, please

answered Dec 20, 2020 at 19:49

3 votes

ASIC Hardware cost

answered May 5, 2022 at 3:31

3 votes

Why do some PCB antennas have a return path to ground?

answered Aug 26, 2019 at 15:26

3 votes

How does an antenna radiate (how do currents flow through the wire)

answered Aug 26, 2019 at 15:48

3 votes

Sampling theorem clarifications

answered Nov 15, 2019 at 1:28

3 votes

Why is the Digital 0 not 0V in computer systems?

answered Sep 12, 2019 at 3:31

3 votes

Accepted

Using an FFT to identify noise

answered Oct 17, 2019 at 17:35

3 votes

Why the current flowing through an induction heater increases when something is heated up?

answered Oct 29, 2019 at 19:40

3 votes

Why are battery-powered appliances and tools specified in volts?

answered Jun 17, 2012 at 21:46

3 votes

Accepted

Anyone know of a good/cheep usb dongle to pick up ULF (.3 - 3kHz) radio?

answered May 29, 2012 at 15:37

Stack Exchange Network

138 Answers

Why does Intel's Haswell chip allow floating point multiplication to be twice as fast as addition?

Physics behind signal reflections and series termination

Can somebody explain what IQ (quadrature) means in terms of SDR?

Scaling FFT output by number of points in FFT

Why does 1/4 wavelength have a ground plane and 1/2 wavelength needs none?

Why only sine waves?

Why can a MCU input floating pin easily change state?

What is the minimum die area of a chip?

Is it worth it or safe to design your own power supply?

For mainstream computing what are the practical advantages of 64-bit register size CPUs given the needs of today and the near future?

Understanding data transmission rates over copper wire

Guitar to MIDI conversion

when and how is the machine language (binary stream) mapped to an existing instruction?

Why a sinusodial signal expressed by a cosine function instead of a sin function?

Why is it said that for efficient transmission of radiation, antenna size should be comparable to wavelength of the radiation?

Why does modern bluetooth audio need lossy compression?

Does the expression of amplitude modulated suppressed carrier even exist in reality?

How Does Kirchoff's Law Make Sense

Why in Digital Design only Capacitive load?

Is a floating pin equivalent to a very weak pull down?

What happens to the generator if we don't consume the generated electricity from generator? Only theoretical explanations, please

ASIC Hardware cost

Why do some PCB antennas have a return path to ground?

How does an antenna radiate (how do currents flow through the wire)

Sampling theorem clarifications

Why is the Digital 0 not 0V in computer systems?

Using an FFT to identify noise

Why the current flowing through an induction heater increases when something is heated up?

Why are battery-powered appliances and tools specified in volts?

Anyone know of a good/cheep usb dongle to pick up ULF (.3 - 3kHz) radio?