BLY94 | Electronic Schematic Diagram https://electronicscheme.net Schematic Diagram & PCB Design Wed, 24 Sep 2014 01:09:04 +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 BLY94 | Electronic Schematic Diagram https://electronicscheme.net 32 32 129969089 100W RF Amplifier with BLY94 https://electronicscheme.net/100w-rf-amplifier-with-bly94/?utm_source=rss&utm_medium=rss&utm_campaign=100w-rf-amplifier-with-bly94 https://electronicscheme.net/100w-rf-amplifier-with-bly94/#comments Sat, 14 Nov 2009 03:15:06 +0000 http://electronicscheme.net/?p=312 This is a 100W RF amplifier built based on RF power transistor BLY94. Active components: BLY94 Coaxial cable length : K x Lambda / 4, […]

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This is a 100W RF amplifier built based on RF power transistor BLY94.

Active components: BLY94
Coaxial cable length : K x Lambda / 4, where K = 0.66 for 50 ohm cable and K = 0.8 for 75 ohm cable.
L1 = L6 = 2 turns / 1.5mm / 14mm
L2 = L7 = 8turns/0.8mm/4mm/ferite or HF
L3 = L8 = 4 turns / 2mm / 14mm / gap 1mm
L4 = L9 = 20turns/0.3mm / 3mm / ferite
L5 = L10 = 1 turn / 2mm / 15mm

BLY94 is a RF Power transistor in a SOT-55 case which operate in class-B with a Vce of 28V and a frequency transition of 175MHz. BLY 94 output power is 50W with a 7dB ( 6x ) power gain at 175MHz.

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