Questions tagged [practical]
The practical tag has no summary.
8 questions
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6
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Time delayed deactivation of a circuit
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 ...
0
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2
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694
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MOSFET Biasing Problems
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 ...
8
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3
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Can I obtain a new voltage source from outputs of two cascaded linear voltage regulators in practice?
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. ...
5
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2
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Why use only oversimplified/ideal equivalent circuits?
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 ...
5
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3
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Difference between configurations of unity gain buffer using op-amp
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 ...
2
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1
answer
915
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Transfer Function of Non-Ideal Transformer
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, ...
2
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1
answer
972
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Op Amp high voltage output
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?
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What is the simplest possible monostable 555 timer circuit?
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 ...