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I have a problem form Amplifier voltage divide


Guest mourad3d

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Guest mourad3d

I have a problem form Amplifier voltage divide

Is a problem that the ability to show me that the program Multisim itself is not showing me in the following accounts
Where the capacity of the planned 1.2 ml Watt, but the 8 Micro program show what the cause of it

Knowing that the impedance of the biggest income impedance phase out Alsabaky







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voltage_divide_-_1.pdf

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Guest mourad3d

thank you

This amplifier circuit in the form of voltage divide

I make some calculations to extract the circuit's capacity was 1.2 ml Watt

When the work program of simulation result of the ability did not show the exact reason for this

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Guest liquibyte

I get 410 microwatts or 41 milliwatts unless I'm doing the math wrong.

Right click the name of the waveform at the top and attach cursor one to the first waveform and cursor two to the second and hover over each and move them to the peaks.  The window that pops up will show you the resultant value for the waveforms and then you do the math on those two values.

post-107142-14279144829103_thumb.png

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You need to wait until the steady state, before attempting to calculate the power in the load. When the power is first applied, there will be a power surge as the DC bias voltage stabilises; it takes awhile for the capacitors in the circuit to charge.

Once the steady state has been reached, the RMS power in the load can easily be calculated: PRMS = Vpk-pk2/8RL

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