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quantum231
  • Member for 11 years, 8 months
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58 votes
5 answers
48k views

How can PCB trace have 50 ohm impedance regardless of length and signal frequency?

30 votes
3 answers
35k views

Why is there always a capacitor on input and output of a voltage regulator?

24 votes
6 answers
6k views

In earlier tape recorders, how was tape spool angular velocity adjusted?

23 votes
5 answers
51k views

What is the difference between operational, differential, and instrumentation amplifiers?

23 votes
2 answers
124k views

Is it possible to calculate how much heat dissipation and temperature rise will take place in a resistor

23 votes
5 answers
12k views

When do we need an Operating System in Embedded System Design?

22 votes
5 answers
80k views

How different are 8-bit microcontrollers from 32-bit microcontrollers when it comes to programming them

18 votes
3 answers
39k views

What do the different interrupts in PCIe do? I referring to MSI, MSI-X and INTx

17 votes
5 answers
8k views

Why does a simple conductor start to emit EM waves when carrying a signal?

17 votes
2 answers
25k views

Audio using PWM, what is the principle behind it?

16 votes
8 answers
9k views

Is it possible to combine two 8 bits DACs together to create a 16 bit DAC, one byte of the 16 bit word shall be sent to each of them

14 votes
6 answers
22k views

Why do people create web server on a microcontroller?

14 votes
1 answer
5k views

Why does reflection off a PCB via look like this?

14 votes
3 answers
10k views

What is the difference between "normal read" and "fast read" in the flash A25L032

12 votes
3 answers
6k views

VHDL: Why is it hard to design a floating point unit in hardware? [closed]

12 votes
1 answer
22k views

What is a stub on PCB?

12 votes
4 answers
1k views

Capacitance variation with applied voltage

11 votes
4 answers
11k views

What can the dsPIC do which the humble PIC microcontroller cannot do?

11 votes
1 answer
358 views

What if we want to clamp/clip current to a certain value or range as we do with diodes for voltage?

11 votes
5 answers
8k views

VHDL: Using '*' operator when implementing multipliers in design

11 votes
2 answers
15k views

How do these modern power buttons on devices work

11 votes
5 answers
9k views

Is ping pong buffer the same thing as a double buffering?

10 votes
4 answers
6k views

Using transistor as switch, why is load always on the collector

10 votes
3 answers
1k views

A transmission line with continuously varying impedance, how would reflection occur in this case?

9 votes
2 answers
3k views

What is wrong with this butterworth filter, how can it be improved?

9 votes
5 answers
10k views

what is the difference between tplace and tdocu layers in eagle pcb?

8 votes
7 answers
2k views

How does one know if an 8 bit MCU is sufficient or 16 bit MCU is needed? [closed]

8 votes
3 answers
17k views

What is the difference between Microchip and ICD and PICKit?

8 votes
4 answers
8k views

What is the difference between general purpose ADCs, Audio ADCs and video ADCs?

8 votes
2 answers
9k views

What does "configuration" refer to in PCI and PCIe? How is this different from "Enumeration"

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