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570: Difference between revisions
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The Tektronix 570 is a curve tracer for tubes. It sweeps the plate voltage between zero and a selectable maximum voltage | The Tektronix 570 is a curve tracer for tubes. It sweeps the plate voltage between zero and a selectable maximum voltage | ||
while "stepping" the control grid through a set of voltages. | while "stepping" the control grid through a set of voltages. | ||
A selectable screen voltage is available for testing tubes with screens. | A selectable screen voltage is available for testing tubes with screens. The plate voltage is measured and applied | ||
to the X-axis of the display. The plate current is measured and amplified and | |||
is applied to the Y-axis of the display. | |||