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TG501: Difference between revisions
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{{TM500 | mfg=Tektronix | type=TG501 | function=time mark generator | class=pulse generator | image=Tek tg501 on.JPG | introduced=1974 | discontinued=1995 | | {{TM500 | mfg=Tektronix | type=TG501 | function=time-mark generator | class=pulse generator | image=Tek tg501 on.JPG | introduced=1974 | discontinued=1995 | | ||
manuals= | manuals= | ||
* [[Media:070-1576-02.pdf| | '''TG501''' | ||
* [[Media:TG501 schematics.pdf| | * [[Media:070-1576-00.pdf|TG501 Manual 070-1576-00]] | ||
* [[Media:070-1576-02.pdf|TG501 Manual 070-1576-02]] (OCR, stitched schematics) | |||
* [[Media:050-1425-02.pdf|TG501 Product Mod 050-1425-02]] | |||
* [[Media:TG501 schematics.pdf|TG501 Schematics, stitched]] | |||
'''TG501A''' | |||
* [[Media:070-7373-00.pdf|TG501A Manual 070-7373-00]] | |||
}} | }} | ||
* Option 01 adds a 5MHz tempature-compensated crystal oscillator (Y50), and a TTL decade counter (U50) for a stable, precise internal clock. | |||
There is also a TG501A. | There is also a TG501A. | ||
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==Rear Interface Signals== | ==Rear Interface Signals== | ||
<small> | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
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| 16A || 22B || Fast=Low, Slow=High | | 16A || 22B || Fast=Low, Slow=High | ||
|} | |} | ||
</small> | |||
==Internals== | ==Internals== | ||
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A chain of dividers running off the 100 MHz clock provide the selectable output markers. | A chain of dividers running off the 100 MHz clock provide the selectable output markers. | ||
The 1 ns output uses a [[step recovery diode]] (HP 5082-8872, part [[152-0503-00]]). | |||
==Links== | ==Links== | ||
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* [https://www.youtube.com/watch?v=FIe9WzdIZ9g TG501 Repair and Calibration] by Zenwizard Studios @ YouTube | * [https://www.youtube.com/watch?v=FIe9WzdIZ9g TG501 Repair and Calibration] by Zenwizard Studios @ YouTube | ||
* [https://www.youtube.com/watch?v=rF5V7D0VZeE TG501 In-Depth Troubleshooting of a Stubborn Unit] by Zenwizard Studios @ YouTube | * [https://www.youtube.com/watch?v=rF5V7D0VZeE TG501 In-Depth Troubleshooting of a Stubborn Unit] by Zenwizard Studios @ YouTube | ||
* [https://www.youtube.com/watch?v=1t7ndiKzYI8 TG501 In-Depth Troubleshooting of a Stubborn Unit Part 2] by Zenwizard Studios @ YouTube | |||
* [https://www.youtube.com/watch?v=yl29OOxyNf0 Tektronix TG501A Refresh and Check For a Viewer] by Zenwizard Studios @ YouTube | |||
{{Documents|Link=TG501}} | |||
==Prices== | |||
{| class="wikitable sortable" | |||
|- | |||
! Year | |||
! 1975 | |||
|- | |||
! Catalog Price | |||
| align="right" | $745 | |||
|- | |||
! In 2023 Dollars | |||
| align="right" | $4,300 | |||
|} | |||
==Pictures== | ==Pictures== | ||
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Tek tg501a.jpg | Tek tg501a.jpg | ||
</gallery> | </gallery> | ||
==Parts== | |||
{{Parts|TG501}} | |||
{{Parts|TG501A}} | |||
[[Category:Time mark generators]] | [[Category:Time mark generators]] | ||