2x BLF578XR 3KW LDMOS Amplifier

Written by admin. Posted in Blog, My Projects

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My new LDMOS 2x BLF578XR HF Amplifier.

some technical spec.

  • This amp working on 1.8 to 50Mhz
  • is equipped with a 3 stage LPF filters (-55db to -62db) on separate bands and additional filter with cut all above 70Mhz signals
  • MCU control
  • Band decoder
  • MCU antenna switch
  • Current, voltage power, swr protection
  • input power to 60W
  • input swr 1.1 to 1.2
  • Output power 2KW on SSB and 3KW on CW

To finish work I must do some cosmetic design change :)

in next week i put someinside photos, lpf filters measurment and linearity from two tone generator

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