File:ZX80 Schematic.png: Difference between revisions
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{{Information|Description=ZX80 circuit diagram, accurately re-drawn as vector graphics by Grant Searle in January 2009 from Sinclair's original. Component designators and values match Sinclair's own drawing: C1/C2/C4/C5/C6 47 nF on the 5 V rail, C8 22 uF 16 V on the unregulated input, C10 1 uF in the R21 power-on reset network, IC22 the 7805 regulator, IC3/IC4 the 2114 static RAMs and IC2 the 8332 ROM. The note "Redrawn by Grant Searle 2009 (This will not appear when printed)" is part of the image.|Source=Grant Searle's ZX80 hardware page, http://searle.x10host.com/zx80/zx80.html|Author=Grant Searle (redrawn); original circuit Sinclair Research Ltd|License='''Licence unresolved.''' Grant Searle's page states that its contents may not be reproduced elsewhere on the web without his permission, and no such permission is recorded here. Sinclair's own version of the same diagram is hosted at [[:File:Sinclair ZX80 circuit diagram.png]] and should be cited in preference until permission is obtained or this file is removed.}} | |||
[[Category:Sinclair Computers]] | |||
[[Category:Schematics]] | |||
Latest revision as of 17:27, 22 September 2026
| Description | ZX80 circuit diagram, accurately re-drawn as vector graphics by Grant Searle in January 2009 from Sinclair's original. Component designators and values match Sinclair's own drawing: C1/C2/C4/C5/C6 47 nF on the 5 V rail, C8 22 uF 16 V on the unregulated input, C10 1 uF in the R21 power-on reset network, IC22 the 7805 regulator, IC3/IC4 the 2114 static RAMs and IC2 the 8332 ROM. The note "Redrawn by Grant Searle 2009 (This will not appear when printed)" is part of the image. |
|---|---|
| Source | Grant Searle's ZX80 hardware page, http://searle.x10host.com/zx80/zx80.html |
| Date | |
| Author | Grant Searle (redrawn); original circuit Sinclair Research Ltd |
| Licence | Licence unresolved. Grant Searle's page states that its contents may not be reproduced elsewhere on the web without his permission, and no such permission is recorded here. Sinclair's own version of the same diagram is hosted at File:Sinclair ZX80 circuit diagram.png and should be cited in preference until permission is obtained or this file is removed. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 00:46, 27 April 2025 |  | 2,339 × 3,309 (433 KB) | Josh (talk | contribs) |
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