Questions tagged [concept]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
8
votes
2answers
136 views

Buck converter without oscillator?

I apologise for the attached picture, I just made sure everything is readable so you can assist. So I'm wondering if this is a logical idea, if 12 volts is supplied, to the circuit, as the capacitor ...
2
votes
2answers
59 views

Why passive component has better drift characteristics than active components had?

I came across this paragraph in the classic reference Op Amps For Everyone by Ron Mancini where it says on the first page: Many attempts has been made to make a stable amplifier, but temperature ...
6
votes
9answers
2k views

Why doesn't wireless transmission and reception require a common reference voltage

so I have been struggling with this for a while now. I have tried to search for the answer but haven't succeeded yet. Here is how it goes: If we take USART as an example for wired communication ...
0
votes
1answer
50 views

Problem with understanding EPROMs and how they're written to

I've got a problem understanding how an EPROM (UV-erasable) works. This question may seem very dumb, but what would happen, if I just try to write contents to an EPROM, which has already been written ...
1
vote
2answers
190 views

How to use Ebers-Moll equation to calculate collector current?

The Ebers-Moll equation is given by:$$I_C = I_S(T) * (e^{V_{BE}/V_T})$$ where \$V_T\$ = \$kT/q\$ = 25.3mV at room temperature. In TAOE (2.3.1), it mentioned \$I_S(T)\$ is the saturation current of ...