4025: Difference between revisions

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{{Instrument Sidebar
|manufacturer=Tektronix
|model=4025
|class=Terminal
|series=4010
|summary=Raster graphics terminal
|image=4025(1).png
|caption=Tektronix 4025 from Page 197 of 1983 catalogue
|introduced=1977
|discontinued=(?)
|designers=Dave Brown;
|manuals=
* [[Media:070-2401-00.pdf|4025 Operators Manual]]
* [[Media:061-1551-00.pdf|4025 Programmer's Manual]]
* [[Media:070-4172-00.pdf|4025A Programmer's Manual]]
* [[Media:070-2830-00.pdf|4024/4025 Theory of Operation]]
* [[Media:070-2402-00.pdf|4024/4025 Programmer's Reference Manual]]
}}
The '''Tektronix 4025''' is a raster graphics terminal.  The [[4024]] is a text-only variant.  ''please expand''
{{BeginSpecs}}
{{Spec | CRT | 11" diagonal (7.5"x5.6" / 19.1x14.2 cm²), green P39 phosphor }}
{{Spec | Graphics resolution | 640 × 480 pixels }}
{{Spec | Alphanumeric format | 35 lines, 74 characters per line, 5×7 dot matrix }}
{{Spec | Character set | 63 characters }}
{{Spec | Vector draw time | 3.6 ± 0.2 ms}}
{{Spec | Baud rate | 75 to 4800 baud}}
{{Spec | Input power | 110/240 VAC, 50 to 440 Hz, 105 Watts}}
{{EndSpecs}}


==Links==
==Links==
* [[Media:Tekscope 1978 V10 N1.pdf | Tekscope Vol. 10 No. 1, Feb 1978]] discusses the 4025
* [https://terminals-wiki.org/wiki/index.php/Tektronix_4025 Tektronix 4025 @ terminals-wiki]
* [https://vintagetek.org/granite-4025/ A Granite 4025] @ vintagetek.org
{{Documents|Link=4025}}


* [https://terminals-wiki.org/wiki/index.php/Tektronix_4025 Tektronix 4025 @ terminals-wiki]
==Internals==
The 4024/4025 use an [[Intel 8080]]A CPU. Later it was upgraded to an [[Intel 8085|8085]] to increase speed.
 
{{MissingPics}}
 
==Components==
{{Parts|4025}}


[[Category:Computer terminals]]
[[Category:4000-Series Terminals]]
[[Category:Introduced in 1977]]

Latest revision as of 06:39, 12 October 2023

Tektronix 4025
Raster graphics terminal
Tektronix 4025 from Page 197 of 1983 catalogue

Produced from 1977 to (?)

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 4025 is a raster graphics terminal. The 4024 is a text-only variant. please expand

Key Specifications

CRT 11" diagonal (7.5"x5.6" / 19.1x14.2 cm²), green P39 phosphor
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

Documents Referencing 4025

Document Class Title Authors Year Links
Tekscope 1978 V10 N1.pdf Article The Virtual Bit Map Brings High Resolution Graphics to the Alphanumerics Terminal User Stan Davis 1978 4025
Tekscope 1978 V10 N1.pdf Article A New Concept in Data Representation: The Complete Integration of Graphics and Alphanumerics Jack Liskear 1978 4025

Internals

The 4024/4025 use an Intel 8080A CPU. Later it was upgraded to an 8085 to increase speed.

Pictures

  • please add

Components

Some Parts Used in the 4025

Part Part Number(s) Class Description Used in
2N5060 151-0503-00 Discrete component 30 V, 0.8 A thyristor (SCR) CG551AP • C50 • C51 • C52 • C53 • C70 • DC505 • DC505A • DC508 • DC508A • 1240 • 1241 • 212 • 213 • 214 • 4014 • 4015 • 4025 • 4027 • 4105 • 4106 • 4107 • 4109 • 4111 • 450 • 4623 • 4631 • 4632 • 4633A • 485 • 5D10 • 5223 • 7D10 • 7D11 • 7L12 • 7L13 • 7L14 • 7L18 • 7912AD • 91HS8
Intel 8080 156-0954-00 Monolithic integrated circuit 8-bit microprocessor 4024 • 4025 • CT 8101 • Rockland 7530A • Rockland 7530B
Intel 8085A 156-1088-00 Monolithic integrated circuit 8-bit microprocessor 308 • 468 • 4025 • 7A42 • 7D02 • AFG5101 • AFG5102 • PFG5105
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