2m LINEAR AMPLIFIER 2kw with GS-35B by sv8je

 original electronic design by YU1AW  (http://yu1aw.ba-karlsruhe.de)

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 front and top view

bottom view, cooling air circulation

tube output stage

antenna variable capacitance

plate variable capacitance

the RF deck

rear side (input & output RF connectors, HV, PTT, fuse, input & output tuning )

input stage

input stage (left), heater transformer & biasing (right)

Typical Operating Characteristics

Plate Voltage: 3200V

Idle current: 70mA

output power: 1kW (50W input, 0.65A plate current)

                        1.7kW (100W input, 1A plate current)