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Questions tagged [practical]

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
0 votes
2 answers
694 views

I am interested in finding Vgs for E-MOSFET for desired Id or/and Vds. Referring to those equations of drain current in saturation region, value of conduction parameter "K" would be nice to have but ...
lucenzo97's user avatar
  • 2,524
8 votes
3 answers
2k views

I have a device which works with 7V. I have a 7812 and 7805 already running in the circuit. Can I use the outputs of this voltage regulators to feed the 7V device? I know this is possible in theory. ...
hkBattousai's user avatar
  • 14.4k
5 votes
2 answers
599 views

Most circuit analysis books use ideal resistor, inductor, capacitor and don't even bother to show practical circuits of these components, let alone any solved examples with practical circuits. For ...
JuliandotNut's user avatar
5 votes
3 answers
10k views

Is there any practical difference as to how a unity gain buffer using an op-amp might be configured? For example, the input signal can be connected to the noninverting input and the feedback to the ...
Thomas O's user avatar
  • 32.5k
2 votes
1 answer
915 views

What is the mathematical relationship between primary and secondary windings? It can be either in the s-domain, or a time domain expression. This expression must contain all realistic parameters, ...
hkBattousai's user avatar
  • 14.4k
2 votes
1 answer
972 views

Is it possible to output voltages in the range of kilovolts and current of atleast >1mA using an input of <10V on a consumer electronics op amp such as IC 741? If not, then why?
AvZ's user avatar
  • 317
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
  • 1,109