3A3: Difference between revisions
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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary= | |series=560-series scopes | ||
image=3a3 front.jpg | | |type=3A3 | ||
caption=Type 3A3 | |summary=dual differential amplifier plug-in | ||
|image=3a3 front.jpg | |||
introduced=1964 | | |caption=Type 3A3 Front View (SN 4990 up) | ||
discontinued=1972 | | |designers=Roy Hayes | ||
manuals= | |introduced=1964 | ||
* [ | |discontinued=1972 | ||
|manuals= | |||
* [[Media:070-408.pdf|Tektronix 3A3 Manual (early)]]<br /><small>[https://bama.edebris.com/download/tek/3a3/3a3early.djvu Alternate - DjVu @ BAMA]</small> | |||
* [[Media:070-0787-00.pdf|Tektronix 3A3 Manual (late)]]<br /><small>[https://bama.edebris.com/download/tek/3a3/3a3late.djvu Alternate - DjVu @ BAMA]</small> | |||
* [[Media:Tek 3a3 fcp june 1968.pdf|Tektronix 3A3 Factory Calibration Procedure, June 1968]] | |||
* [[Media:Tek 3a3 cal outline.pdf|Tektronix 3A3 Calibration Outline]] (OCR) | |||
}} | }} | ||
The '''Tektronix 3A3''' is a dual trace differential amplifier for [[560-series scopes]]. | The '''Tektronix 3A3''' is a dual-trace differential amplifier plug-in for [[560-series scopes]]. | ||
It was designed by [[Roy Hayes]]. | It was designed by [[Roy Hayes]]. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Bandwidth | 500 kHz or 5 kHz (switch-selectable) }} | |||
{{Spec | Deflection | 0.1 mV/Div to 10 V/Div, in 1−2−5 steps }} | |||
{{Spec | Input impedance | 1 MΩ // 47 pF }} | |||
{{EndSpecs}} | {{EndSpecs}} | ||
==Links== | |||
{{Documents|Link=3A3}} | |||
==Internals== | ==Internals== | ||
| Line 28: | Line 32: | ||
==Pictures== | ==Pictures== | ||
'''Older version (below SN 4990, Nuvistor in input stage)''' | |||
<gallery> | <gallery> | ||
3A3 front SN4990below.jpg| Front | 3A3 front SN4990below.jpg | 3A3 Front | ||
3A3_right_SN4990below.jpg |Right | 3A3_right_SN4990below.jpg | 3A3 Right | ||
3A3_left_SN4990below.jpg |Left | 3A3_left_SN4990below.jpg | 3A3 Left | ||
3a3 001.JPG| Nuvistor in | 3a3 001.JPG | 3A3, Nuvistor in Input Stage | ||
</gallery> | </gallery> | ||
'''Newer version (from SN 4990 up, FET in input stage)''' | |||
<gallery> | <gallery> | ||
3a3 front.jpg|Front | 3a3 front.jpg | 3A3 Front | ||
3a3 right.jpg|Right | 3a3 right.jpg | 3A3 Right | ||
3a3 left.jpg|Left | 3a3 left.jpg | 3A3 Left | ||
3a3 top.jpg|Top | 3a3 top.jpg | 3A3 Top | ||
3a3 bottom.jpg|Bottom | 3a3 bottom.jpg | 3A3 Bottom | ||
3A3 002.JPG| Dual JFET in | 3A3 002.JPG | 3A3, Dual JFET in Input Stage | ||
</gallery> | |||
==Components== | |||
{{Parts|3A3}} | |||
[[Category:560 series plugins]] | [[Category:560 series plugins]] | ||
Latest revision as of 05:52, 29 November 2023
The Tektronix 3A3 is a dual-trace differential amplifier plug-in for 560-series scopes. It was designed by Roy Hayes.
Key Specifications
| Bandwidth | 500 kHz or 5 kHz (switch-selectable) |
|---|---|
| Deflection | 0.1 mV/Div to 10 V/Div, in 1−2−5 steps |
| Input impedance | 1 MΩ // 47 pF |
Links
Documents Referencing 3A3
Internals
Early 3A3s use a 7586 Nuvistor for the front end cathode follower. Serial numbers 4990 and up use a dual JFET.
Pictures
Older version (below SN 4990, Nuvistor in input stage)
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3A3 Front
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3A3 Right
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3A3 Left
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3A3, Nuvistor in Input Stage
Newer version (from SN 4990 up, FET in input stage)
-
3A3 Front
-
3A3 Right
-
3A3 Left
-
3A3 Top
-
3A3 Bottom
-
3A3, Dual JFET in Input Stage
