fm broadcast | Electronic Schematic Diagram https://electronicscheme.net Schematic Diagram & PCB Design Sun, 21 Sep 2014 14:45:09 +0000 en-US hourly 1 https://i0.wp.com/electronicscheme.net/wp-content/uploads/2017/05/cropped-transparent_text_effect.png?fit=32%2C32&ssl=1 fm broadcast | Electronic Schematic Diagram https://electronicscheme.net 32 32 129969089 15W FM RF Amplifier with 2SC2539 https://electronicscheme.net/15w-fm-rf-amplifier-with-2sc2539/?utm_source=rss&utm_medium=rss&utm_campaign=15w-fm-rf-amplifier-with-2sc2539 https://electronicscheme.net/15w-fm-rf-amplifier-with-2sc2539/#comments Wed, 21 Oct 2009 15:29:50 +0000 http://electronicscheme.net/?p=286 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 […]

The post 15W FM RF Amplifier with 2SC2539 first appeared on Electronic Schematic Diagram.]]> 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:

15W FM RF Amplifier with 2SC2539

Coil Specifications:

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


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

Download the datasheet of RF Power Transistor 2SC2539 from te following link:
[wpdm_file id=31]

The post 15W FM RF Amplifier with 2SC2539 first appeared on Electronic Schematic Diagram.]]> https://electronicscheme.net/15w-fm-rf-amplifier-with-2sc2539/feed/ 3 286