Alfred Centauri's user avatar
Alfred Centauri's user avatar
Alfred Centauri's user avatar
Alfred Centauri
  • Member for 10 years, 3 months
  • Last seen this week
75 votes
Accepted

Relation and difference between Fourier, Laplace and Z transforms

35 votes

Why are clocks used in computers?

27 votes
Accepted

Does this photodiode circuit work?

25 votes
Accepted

Was Benjamin Franklin wrong (about conventional current)?

22 votes
Accepted

Why wavelength is not measured with a unit of time?

21 votes
Accepted

Why Decibels are used to measure Signal to Noise Ratio?

21 votes

Why is Vbe a constant 0.7 for a transistor in the active region?

20 votes
Accepted

Batteries have zero voltage

19 votes
Accepted

LED and lamp in series - why does the bulb not light?

19 votes

Why do we connect a resistor before a Zener diode?

18 votes

What is input and output impedance of an opamp?

17 votes

Why should I use a logarithmic pot for audio applications?

16 votes

How to calculate equivalent capacitance to a battery?

15 votes

How are positive and negative feedback of opamps so different? How to analyse a circuit where both are present?

15 votes

Basic Electronics - I want to learn the "why", not just the "how"

15 votes
Accepted

Why use a resistor in filter circuits

15 votes

What does small signal analysis mean?

14 votes

Why do batteries with the same voltage have different currents?

14 votes

What do the capacitors on IN and OUT of an LM7805 voltage regulator?

13 votes

When would I use a voltage regulator vs voltage divider?

12 votes

How exactly does a series voltage divider work?

12 votes

What is the collector-emitter resistance of NPN Transistor?

12 votes
Accepted

Why is there alternating current in my wall socket?

12 votes

PLL - why compare phases not frequencies

12 votes
Accepted

Transformer Inductance not taken into account?

11 votes

connecting devices with two different power supplies

11 votes

Why do we use \$s=j\omega\$ in AC analysis instead of \$s=\sigma+j\omega\$?

10 votes

How do I know the maximum voltage that a capacitor releases?

10 votes
Accepted

How does this LM386 circuit boost bass?

10 votes
Accepted

Is a capacitor considered a solid state device?

1
2 3 4 5
22