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Doherty Power Amplifier Efficiency

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Mabrok

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Hi,
In designing doherty power amplifier. Do we need to consider the DC power consumption for each sub-amplifiers (carrier and peaking) in calculating and simulating the efficiency?

Thank you in advance.
 

Mabrok said:
In designing doherty power amplifier. Do we need to consider the DC power consumption for each sub-amplifiers (carrier and peaking) in calculating and simulating the efficiency?
Click to expand...

Yes. At higher input powers, the peaking amplifier starts drawing in large amounts of DC power which needs to be accounted for in the efficiency calculations.
 

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