3A3: Difference between revisions
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* [http://bama.edebris.com/download/tek/3a3/3a3late.djvu Tektronix 3A3 Manual (late) (DjVu)] | * [http://bama.edebris.com/download/tek/3a3/3a3late.djvu Tektronix 3A3 Manual (late) (DjVu)] | ||
<gallery> | <gallery> | ||
Image:3a3 front.jpg | Image:3a3 front.jpg|Front | ||
Image:3a3 right.jpg | Image:3a3 right.jpg|Right side | ||
Image:3a3 left.jpg | Image:3a3 left.jpg|Left side | ||
Image:3a3 top.jpg | Image:3a3 top.jpg|Top | ||
Image:3a3 bottom.jpg | Image:3a3 bottom.jpg|Bottom | ||
Image:3a3 001.JPG| Nuvistor in inputstage | Image:3a3 001.JPG| Nuvistor in inputstage | ||
Image:3A3 002.JPG| Dual JFET in inputstage | Image:3A3 002.JPG| Dual JFET in inputstage | ||
</gallery> | </gallery> | ||
Revision as of 11:28, 9 February 2014
The Tektronix 3A3 is a dual trace differential amplifier for 560-series scopes. The bandwidth is is switch-selectable, either 5kHz or 500kHz. Early 3A3s use a 7586 Nuvistor for the front end cathode follower. Serial numbers 4990 and up use a dual JFET.
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Front
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Right side
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Left side
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Top
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Bottom
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Nuvistor in inputstage
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Dual JFET in inputstage
