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7L12: Difference between revisions
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|designers=Morris Engelson;Linley Gumm;Gene Kauffman;Larry Lockwood;Gordon Long;Steve Morton;Paul Parks;Fred Telewski;Neal Broadbent;Jack Doyle;Al Huegli;Steve Skidmore;Leighton Whitsett;Judy Hanson; Robert Holmes;Carolyn Moore;Rena Randle | |designers=Morris Engelson;Linley Gumm;Gene Kauffman;Larry Lockwood;Gordon Long;Steve Morton;Paul Parks;Fred Telewski;Neal Broadbent;Jack Doyle;Al Huegli;Steve Skidmore;Leighton Whitsett;Judy Hanson; Robert Holmes;Carolyn Moore;Rena Randle | ||
|manuals= | |manuals= | ||
* [[Media:070-1298-01.pdf | Tektronix 7L12 Instruction Manual -01]] / | * [[Media:070-1298-01.pdf | Tektronix 7L12 Instruction Manual -01]] <small>(split schematics)</small> | ||
* [[Media:070-1298-02.pdf | Tektronix 7L12 Instruction Manual -02]] | * [[Media:070-1298-01_foldouts.pdf | Tektronix 7L12 Schematics]] <small>(stitched)</small> | ||
* [[Media:070-1298-02.pdf | Tektronix 7L12 Instruction Manual -02]] <small>(partial, no parts list nor schematics)</small> | |||
<small> | |||
'''Calibration''' | |||
* [[Media:Tek 7L12 factory cal december 1972.pdf | Tektronix 7L12 Factory Calibration Procedure]] | * [[Media:Tek 7L12 factory cal december 1972.pdf | Tektronix 7L12 Factory Calibration Procedure]] | ||
'''Modifications''' | |||
* [[Media: | * [[Media:070-1298-01_Mod139U.pdf | 7L12 Mod 139U Increases Bandwidth to 2.5 GHz]] | ||
</small> | |||
}} | }} | ||
The '''Tektronix 7L12''' is a 1.8 GHz Spectrum Analyzer plug-in for [[7000-series scopes]]. | The '''Tektronix 7L12''' is a 1.8 GHz Spectrum Analyzer plug-in for [[7000-series scopes]]. | ||
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* [[Media:Tekscope 1972 V4 N1 Jan 1972.pdf | Tekscope Vol. 4 No. 1, Jan 1972]] | * [[Media:Tekscope 1972 V4 N1 Jan 1972.pdf | Tekscope Vol. 4 No. 1, Jan 1972]] | ||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_special/spectrumanalyzer_7L12.htm Tek 7L12 @ amplifier.cd] | * [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_special/spectrumanalyzer_7L12.htm Tek 7L12 @ amplifier.cd] | ||
* [https://www.youtube.com/watch?v=f02rCpkjs8Q 7L12 repair] vintageTek Museum @ YouTube (shows how to pull out the center board) | |||
* [https://www.youtube.com/watch?v=f02rCpkjs8Q 7L12 repair] | |||
* 7L12 videos: [https://youtube.com/watch?v=eEsL9443Rt8 #1] / [https://youtube.com/watch?v=a5-IXJEqMbM #2] / [https://youtube.com/watch?v=ctL8NuEvQhk #3] / [https://youtube.com/watch?v=oZA2Fa78_00 #4] [https://youtu.be/f02rCpkjs8Q #5] | * 7L12 videos: [https://youtube.com/watch?v=eEsL9443Rt8 #1] / [https://youtube.com/watch?v=a5-IXJEqMbM #2] / [https://youtube.com/watch?v=ctL8NuEvQhk #3] / [https://youtube.com/watch?v=oZA2Fa78_00 #4] [https://youtu.be/f02rCpkjs8Q #5] | ||
{{Documents|Link=7L12}} | {{Documents|Link=7L12}} | ||
{{PatentLinks|7L12}} | |||
==Internals== | ==Internals== | ||
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| align="right" | $12,500 | | align="right" | $12,500 | ||
|- | |- | ||
! In | ! In 2024 Dollars | ||
| align="right" | $ | | align="right" | $37,700 | ||
| align="right" | $ | | align="right" | $31,000 | ||
| align="right" | $ | | align="right" | $27,600 | ||
| align="right" | $24, | | align="right" | $24,800 | ||
| align="right" | $ | | align="right" | $31,100 | ||
| align="right" | $ | | align="right" | $33,300 | ||
|- | |- | ||
|} | |} | ||
According to an [[Media:Tek Schottky Diodes Memo rot.pdf|internal memo]], in | According to an [[Media:Tek Schottky Diodes Memo rot.pdf|internal memo]], in annual sales for 1979 were estimated at 365 units. | ||
==Pictures== | ==Pictures== | ||