question about Doherty amplifier

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hamed333

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Hi, I want to design and implement Doherty power amplifier at 250 MHz-400 MHz frequency range, can I implement in this frequency range? Can I use microstrip lines? or I only can implement with lumped elements?!?
 

It's a bit difficult because Doherty structures are pretty narrowband systems and I don't hope that'll work in this wideband range.Even it works, you may not obtain desired efficieny.
 
Thank u for your answer, my center frequency is 325 MHz, and I want to design narrowband doherty power amp, so can I implement this with lumped elements?

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Thank u for your answer, the center frequency is 325 MHz and I want to design narrowband doherty power amplifier, so can I implement it with microstrip lines or just lumped elements?
 

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