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The '''Tektronix 154-0644-xx''' is a cathode-ray tube. | The '''Tektronix 154-0644-xx''' is a cathode-ray tube used in instruments specified up to 500 MHz. | ||
Suffix -05 has green P-31 phosphor, suffix -09 has blue P-11 phosphor. | Suffix -05 has green P-31 phosphor, suffix -09 has blue P-11 phosphor. | ||
It has [[distributed deflection plates]] and | It has [[distributed deflection plates]]. A domed scan-expansion mesh between the | ||
deflection plate structure and the accelerating anode provides both isolation and | |||
a two-times deflection magnification. | |||
Typical acceleration voltage is 24 kV ( | Typical acceleration voltage is 24 kV (−3 kV on cathode, +21 kV on post-acceleration anode). | ||
As used in the 7904, the 154-0644-05 CRT has a deflection factor of 3 V/div and an impedance of 385 Ω. | As used in the 7904, the 154-0644-05 CRT has a deflection factor of 3 V/div and an impedance of 385 Ω. |