140W ( PEP ) Amateur Radio Linier Amplifier (2 -30 Mhz) | Schematic Diagrams


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140W ( PEP ) Amateur Radio Linier Amplifier (2 -30 Mhz)

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Amateur Radio Linier Amplifier 300x216 140W ( PEP ) Amateur Radio Linier Amplifier (2  30 Mhz)This amateur radio amplifier circuit this inexpensive and easy to build. This circuit uses two MRF454 NPN transistors. Specified at 80 W power output-with 5 W of input drive, 30 MHz, and 12.5 Vdc.

Amateur Radio Linier Amplifier parts list :C1: 33pF Dipped MicaC2: 18 pF Dipped MicaC3: 10 uF 35 Vdc for AM operation, 100 uF 35 Vdc for SSB operation.C4: .1 uF ErieCS: 10 pF 35 Vdc-ElectrolyticC6: 1 µF TantalumC7: .001 pF Erie DiscC8, 9: 330 pF Dipped MicaR1: 100 k ohm 1/4 W ResistorR2, 3: 10 k ohm 1/4 W ResistorR4: 33 k ohm 5W Wire Wound ResistorR5, 6: 10 ohm 1/2 W ResistorR7: 100 S2 1/4 W ResistorRFC1: 9 Ferroxcube Beads on #18 AWG WireD1: 1N4001Q2: 1N4997Q1, Q2: 2N4401Q3, 4: MRF454T1, T2:16:1 TransformersC20: 910 pF Dipped MicaC21: 1100 pF Dipped MicaC10: 24 pF-Dipped MicaC22: 500 µF 3 Vdc ElectrolyticK1: Potter & BrumfieldKT11A : 12 Vdc Relay or Equivalent

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