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The '''Tektronix 570''' is a curve tracer for tubes. | [[File:Tektronix-570-Outside-Front.jpg|thumb|350px|right]] | ||
The '''Tektronix 570''' is a curve tracer for tubes. | |||
It was introduced in 1955. | It was introduced in 1955. | ||
It sweeps the plate voltage between zero and a selectable maximum voltage | It sweeps the plate voltage between zero and a selectable maximum voltage | ||