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3A3: Difference between revisions
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* [[Media:Tek 3a3 cal outline.pdf|Tektronix 3A3 Calibration Outline]] (OCR) | * [[Media:Tek 3a3 cal outline.pdf|Tektronix 3A3 Calibration Outline]] (OCR) | ||
}} | }} | ||
The '''Tektronix 3A3''' is a dual-trace differential amplifier plug-in for [[560-series scopes]]. | The '''Tektronix Type 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]]. | ||
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==Pictures== | ==Pictures== | ||
'''Older version (below SN 4990, Nuvistor in input stage)''' | |||
<gallery> | <gallery> | ||
3A3 front SN4990below.jpg | 3A3 Front | 3A3 front SN4990below.jpg | 3A3 Front | ||
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</gallery> | </gallery> | ||
'''Newer version (from SN 4990 up, FET in input stage)''' | |||
<gallery> | <gallery> | ||
3a3 front.jpg | 3A3 Front | 3a3 front.jpg | 3A3 Front | ||