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[[File:Tek 613 photo.jpg|thumb|300px|right]] | |||
The '''Tektronix 613''' is a Storage Display Unit that was [[introduced in 1973]]. | The '''Tektronix 613''' is a Storage Display Unit that was [[introduced in 1973]]. | ||
It has a 15 cm by 20 cm viewing area and uses bistable [[CRT_storage_scope|storage]] with P1 [[phosphor]]. | It has a 15 cm by 20 cm viewing area and uses bistable [[CRT_storage_scope|storage]] with P1 [[phosphor]]. | ||
The standard configuration is to have the 20 cm dimension be the in the horizontal direction (landscape). | The standard configuration is to have the 20 cm dimension be the in the horizontal direction (landscape). | ||
A portrait aspect ratio configuration was available as an option. | A portrait aspect ratio configuration was available as an option. | ||
Typical deflection factors are | Typical deflection factors are 1 V/20 cm horizonal, and 1 V/15 cm vertical. | ||
Beam settling time (within 0.025 cm) is specified to be | Beam settling time (within 0.025 cm) is specified to be 14 μs + 6 μs per cm of deflection, | ||
for spot movements up to 2 cm. | for spot movements up to 2 cm. | ||
For larger spot movements, the settling time is | For larger spot movements, the settling time is 3 μs per cm. | ||
The stored resolution is 200 x 266 line pairs. | The stored resolution is 200 x 266 line pairs. | ||
Erase time is approximately 0.9 seconds. | Erase time is approximately 0.9 seconds. | ||