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Electrical Engineering

Questions tagged [practical]

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38 questions
Newest Active Bountied Unanswered
2 votes
5 answers
278 views

I have an antique truck using an 8 volt battery conversion from its original 6 volt because the starter turned too slowly to crank it. This protected the instruments from damage. If I need to jump ...
Not too bright's user avatar
  • 21
4 votes
3 answers
1k views

I am in my 4th semester of a 4-year undergraduate electronics rngineering program. All I have learned so far is lots of theory in courses such as analog electronics circuits, digital electronics ...
Koustubh Jain's user avatar
  • 515
1 vote
1 answer
126 views

I have built the following circuit: I measured the AC RMS at output as 975.8 mV: I can't get anywhere close to that measured value when using the AC voltmeter formula below (for delay angle of 90): ...
filipe's user avatar
  • 33
0 votes
2 answers
1k views

While observing the input characteristics of a Bipolar Junction Transistor(BC547), I observed from the graph that the reverse voltage gain came out to be negative. Is this possible and if so, what is ...
akshayk07's user avatar
  • 381
1 vote
1 answer
478 views

I'm reading through an electronics book to teach myself, and I'm in the section about filters. I've been following along so far, but now I'm confused about how the author came to a conclusion in his ...
Chris's user avatar
  • 13
6 votes
6 answers
8k views

I'm trying to understand how MIMO (as used by 802.11n wi-fi and some upcoming cellular data standards) works in practice. I understand at least the gist of the theory of spatial multiplexing. What I ...
dsimcha's user avatar
  • 207
0 votes
2 answers
7k views

This will sound maybe stupid, but I'm amateur in electronics and I'm in process of learning. I have previously analysed some basic circuits involving opamps, diodes etc. Although some circuit looks ...
hari's user avatar
  • 235
1 vote
6 answers
3k views

In a simple electronic circuit with a momentary switched LED (or bulb, tube etc.); what can be done to trigger the LED for several seconds before proceeding to break the circuit? In other words; I ...
voices's user avatar
  • 1,109
-7 votes
1 answer
281 views

Examples of why one would to learn electronics are: 1) He works (or intend to) as an electrical engineer 2) He likes (or needs to) repair electronic equipment One thing I find it difficult to ...
Bite Bytes's user avatar
  • 89
0 votes
2 answers
2k views

I know there are methods to theoretically determine the damping factor and quality factor in RLC circuits. Equations such as $$\zeta = \frac{R_s}{2} \sqrt{\frac{C}{L}}$$ $$Q = \frac{1}{2\zeta}$$ ...
PartialDifferentials's user avatar
  • 5
3 votes
1 answer
16k views

I only learned about the ideal integrator design (top circuit), but when I searched for a practical model for an integrator I found it was like the one in the bottom circuit. Two new elements, Rf and ...
HelperKing's user avatar
  • 105
0 votes
2 answers
158 views

What is the mean value of phase noise as a stochastic process? Where can I get a theoretical analysis of this topic?
wu yi's user avatar
  • 61
2 votes
1 answer
1k views

This is regarding an integrator op amp design, the rate at which the input voltage charges the integrator's feedback capacitor is 150V/s. I am trying to justify the minimum feedback capacitor value ...
konobyBYnight's user avatar
  • 131
1 vote
2 answers
819 views

This may be a very simple question. In my lab guide (I am a freshman Electronic Engineering student), we are supposed to build and analyze a circuit on a breadboard. First, we need to select some ...
Bee's user avatar
  • 617
0 votes
2 answers
2k views

Say for instance, the goal is to light an incandescent bulb for x amount of seconds (let's say 20). What is the simplest configuration possible? Of course, simple timer circuits aren't rare, and can ...
voices's user avatar
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