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ONE  KILOWATT   HOME MADE HF LINEAR AMPLIFIER

My FIRST PROJECT REALIZED IN THE 1980

.. and after 34 years, still works fine …!!!

The RF Input Tuner

The Antenna relay and the connectors

The ferrite rods with the  Filaments chokes

The power supply inserted in a Midi-size computer tower

internal view of the power supply

the diode  bridge

the capacitor bank with the voltage equalizer resistors

  BAND SWITCH and the TANK COIL 

.

this is the first version with 2 Valves PHILIPS QB-3,5/750

. and this light warms the heart … do you agree?

…and now…..I will present the LAST VERSION WITH  2 VALVES  4-400 BY EIMAC WITH STELLAR  ANODE

…the final result….. .

…and still works very well…!!!!