This is a 15W FM RF amplifier circuit which build based on RF Power Transistor 2SC2539.
2SC2539 is a silicon NPN epitaxial planar type transistor designed for RF power amplifiers in VHF band mobile radio applications.
FM RF Amplifier Circuit Diagram:
Coil Specifications:
L1: 2T Coil diameter:4mm
L2: in series 6pcs Toroidal ring
L3: 4T Coil diameter:10mm
L1: 3T Coil diameter:10mm
FEATURES
Download the datasheet of RF Power Transistor 2SC2539 from te following link:
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thank you for the circuit