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2sc2539 amplifier circuit schematic

2SC2539 FM RF Amplifier

This FM broadcast rf amplifier is built with 2SC2539 which is a silicon NPN epitaxal planar type transistor designed for RF power amplifiers in VHF band mobile radio applications. It can deliver up to 15W at a 2W input power.

L1: 2T Coil diameter:4mm
L2: in series 6pcs Toroidal ring
L3: 4T Coil diameter:10mm
L1: 3T Coil diameter:10mm
2SC2539 features

  • High power gain: Gpe >= 14.5 dB at Vcc=13.5V, Pout = 14W and f=175MHz
  • Emitter ballasted construction and gold metallization for high reliability and good performances
  • Low thermal resistance ceramic package with flange
  • Ability of withstanding more than 20:1 load VSWR when operated at Vcc=15.2V, Pout=18W, f=175MHz, Tc=250C

2SC2539 application
10 to 14 watts output power amplifiers in VHF band mobile radio applications.

2SC2539 power amplifier circuit diagram

2sc2539 amplifier circuit schematic

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