Power of Burst waveform going through an amplifier

AI Thread Summary
To calculate the theoretical power of a 1Vpp sinewave at 1MHz over 200 cycles with a 50Ω load, the continuous power is 2.5 milliwatts. For 200 cycles, this equates to 0.5 x 10^-6 joules. When considering a 100ms interval, the power output becomes 5 x 10^-6 joules per second, translating to 5 microwatts. The discussion highlights the relationship between voltage, load, and power calculations in amplifiers. Understanding these calculations is essential for optimizing amplifier performance.
choppie808
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Hi all,


How would I calculate theoretical power of:

1Vpp
1Mhz (sinewave)
200 cycles
100ms interval
50Ω load

This waveform is going into a 55db amplifier.

Any help would be great.

Thanks,
Mark
 
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1Vpp continuous into 50 ohm is 2.5 milliwatt.
2.5 milliwatt for 200 cycles at 1 MHz is 0.5 x 10^-6 joule.
0.5 x 10^-6 joule 10 times per second is 5x10^-6 joule/second or 5x10^-6 watt.
(5 microwatt)
 
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