140: Difference between revisions
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{{Instrument Sidebar | |||
|manufacturer=Tektronix | |||
|model=140 | |||
|class=Audio/Video | |||
|series= | |||
|summary=NTSC signal generator | |||
|image=Tek 140 front.jpg | |||
|caption=Tektronix 140 | |||
|introduced=1969 | |||
|discontinued=(?) | |||
|manuals= | |||
* [https://archive.org/download/070-0944-00_202208/070-0944-00.pdf Tektronix 140 and R140 Manual] | |||
* [[Media:Tek 140 manual corrections.pdf|Tektronix 140 Manual Corrections]] | |||
<small> | |||
* [[Media:AX-3265.pdf|Tektronix Television Products Application Note #22: Shortening the Blanking Intervals of the Tektronix 140-144-146 NTSC Generators]] | |||
</small> | |||
}} | |||
The '''Tektronix 140''' is an NTSC signal generator. | The '''Tektronix 140''' is an NTSC signal generator. | ||
See also [[144]] and [[146]]. | |||
[[Linley Gumm]] says: | |||
<blockquote> | |||
The 140 color bar generator started out as a 067- test fixture intended to test vector scopes. I have some early front panels of same in my garage. | |||
[[Charlie Rhodes]], of course, fully intended to sell them as a product from the get go but needed to pretend to be doing a cal fixture to get permission to develop it. | |||
</blockquote> | |||
{{MissingSpecs}} | |||
==Links== | |||
{{Documents|Link=140}} | |||
{{PatentLinks|140}} | |||
==Pictures== | |||
<gallery> | <gallery> | ||
Tek 140 front.jpg | |||
Tek 140 rear.jpg | |||
Tek 140 left.jpg | |||
Tek 140 right.jpg | |||
Tek 140 1971 cat.jpg | |||
</gallery> | </gallery> | ||
[[Category: | [[Category:TV signal generators]] | ||
Latest revision as of 12:39, 12 July 2024
The Tektronix 140 is an NTSC signal generator.
Linley Gumm says:
The 140 color bar generator started out as a 067- test fixture intended to test vector scopes. I have some early front panels of same in my garage. Charlie Rhodes, of course, fully intended to sell them as a product from the get go but needed to pretend to be doing a cal fixture to get permission to develop it.
Key Specifications
- please add
Links
Documents Referencing 140
| Document | Class | Title | Authors | Year | Links |
|---|---|---|---|---|---|
| Tekscope 1970 V2 N3 Jun 1970.pdf | Article | Tektronix Signal Sources | 1970 | 2101 • 2901 • 114 • 115 • R116 • 106 • 191 • 284 • 140 | |
| Tekscope 1971 V3 N6 Nov 1971.pdf | Article | Tektronix and the World of Television Measurements | Stephen D. Kerman | 1971 | 520 • 140 |
| AX-3265.pdf | Application Note | Shortening the Blanking Intervals of the Tektronix 140-144-146 NTSC Generators (TV Products App Note No.22) | 1976 | 140 • 144 • 146 |
Patents that may apply to 140
| Page | Title | Inventors | Filing date | Grant date | Links |
|---|---|---|---|---|---|
| Patent US 3453403A | Power selection device | Eldon Hoffman | 1966-08-18 | 1969-07-01 | 115 • 140 • 141 • 141A • 144 • 145 • 146 • 147 • 148 • 149 • 149A • 230 • 284 • 286 • 453 • 454 • 491 • 520A • 521A • 522 • 545B • 547 • 556 • 561B • 564B • 568 • 576 • 611 • 647A • 2101 • 2601 • 5030 • R5030 • 5031 • R5031 • 7503 • 7504 • 7704 • 7704A • 7904 • R7903 |
