4 watt 900mhz rf amplifier

  
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This RF amplifier circuit has a power output of 4 Watts at a frequency of 900 Mhz. Applying Wilkinson power dividers in the base and collector circuits of Q2 and Q3, a couple of SD1853 driver application transistor are paralleled for double the power output of the 2-W amplifier.
4 watt 900mhz rf amplifier - schematic




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