Help to solve Operational amplifier

[AnalogKid]

http://hyperphysics.phy-astr.gsu.edu/hbase/electronic/opampi.html

http://research.cs.tamu.edu/prism/lectures/iss/iss_l5.pdf

 

[ramussons]

You have computed the power in a square wave. For the RMS power of a sine wave, divide the voltage by sqrt(2) which divides the power by 2.

6.25W

Bob

The swing will be +/- 10 Volts, which, as per my calculations, will give 12.5 W RMS

 

[kamikaze1993]

Task 2: 1/4,7 =0,213

0,1V * 0,213= 0,0213 V is this correct ?

 

[BobK]

The swing will be +/- 10 Volts, which, as per my calculations, will give 12.5 W RMS

The RMS voltage is only 10V for a square wave. Power of audio amps is calculated based on a sine wave. With a p-p swing of ±10V, the RMS voltage of a sine wave is 7.07V.

Bob

 

[ramussons]

The RMS voltage is only 10V for a square wave. Power of audio amps is calculated based on a sine wave. With a p-p swing of ±10V, the RMS voltage of a sine wave is 7.07V.

Bob

am getting old ...