4025: Difference between revisions
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The 4024/4025 use an [[Intel 8080]]A CPU. Later it was upgraded to an [[Intel 8085|8085]] to increase speed. | The 4024/4025 use an [[Intel 8080]]A CPU. Later it was upgraded to an [[Intel 8085|8085]] to increase speed. | ||
{{MissingPics}} | |||
[[Category:4000-Series Terminals]] | [[Category:4000-Series Terminals]] |
Revision as of 02:01, 25 August 2021
The Tektronix 4025 is a raster graphics terminal. please expand
Key Specifications
CRT | 11" diagonal (7.5"x5.6" / 19.1x14.2 cm²), green P39 phosphor |
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Graphics resolution | 640 × 480 pixels |
Alphanumeric format | 35 lines, 74 characters per line, 5×7 dot matrix |
Character set | 63 characters |
Vector draw time | 3.6 ± 0.2 ms |
Baud rate | 75 to 4800 baud |
Input power | 110/240 VAC, 50 to 440 Hz, 105 Watts |
Links
- Tekscope Vol. 10 No. 1, Feb 1978 discusses the 4025
- Tektronix 4025 @ terminals-wiki
- A Granite 4025 @ vintagetek.org
Internals
The 4024/4025 use an Intel 8080A CPU. Later it was upgraded to an 8085 to increase speed.
Pictures
- please add