RF LINEAR AMPLIFIER USING GI-7B TRIODE
by "RF Amplifier Developer 2001"
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Plate supply voltage DC,(V):................................2500

Grid voltage max.,(V):......................................80

Single-tone plate current,(A):..............................0.35

Zero-signal plate current,(A):..............................0.025
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Anode current conduction angle,(deg):.......................96.41

Anode current, pk.,(A):.....................................1.034

Anode current of the first harmonic, pk.,(A):...............0.531

Amplification of the valve under minimal residual voltege:..4.308

AC voltage factor of the valve anode:.......................0.904

Amplitude of RF AC voltage generated

on the valve anode,(V):.....................................2260

Minimum residual voltage of the valve anode,(V):............240

Peak voltage of the anode, max.,(V):........................4760

Maximum produced CW power on the valve anode,(W):...........600

Maximum produced SSB peak power on the valve anode,(W):.....910.8

Maximum produced SSB PEP power on the valve anode,(W):......1200.1

Factor for SSB signal, under peak-factor,(p=4):.............0.35

Average produced power of the valve anode

for SSB signal,(W):.........................................73.5

Maximum input power to the valve anode,(W):.................875

Maximum efficiency of the valve:............................0.686

Average efficiency of the valve for SSB signal:.............0.23

Average input power to the valve anode,(W):.................319.565

Valve anode dissipation, max.,(W):..........................275

Average valve anode dissipation,(W):........................246.1

Anode dissipation under zero-signal plate current,(W):......62.5

Virtual resistance of the valve anode circuit,(ohm):........4256

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PARAMETERS FOR THE HARMONIC - 2
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Anode current of the harmonic, pk.,(A):.....................0.194

Maximum power of the harmonic,(W):..........................219.22

Virtual anode resistance for the harmonic,(ohm):............11649

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PARAMETERS FOR THE HARMONIC - 3
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Anode current of the harmonic, pk.,(A):.....................0.032

Maximum power of the harmonic,(W):..........................36.16

Virtual anode resistance for the harmonic,(ohm):............70625