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2A61: Difference between revisions
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* [[Media:070-0328-01.pdf|Tektronix 2A61 Manual]] (OCR) | * [[Media:070-0328-01.pdf|Tektronix 2A61 Manual]] (OCR) | ||
* [[Media:2a61 1000-1 cal input adapter.pdf|Tektronix 2A61 1000:1 Cal Div/Input Adapter ( | * [[Media:2a61 1000-1 cal input adapter.pdf|Tektronix 2A61 1000:1 Cal Div/Input Adapter (OCR)]] | ||
}} | }} | ||
The '''Tektronix 2A61''' is a high gain differential AC amplifier plug-in for the [[560-series scopes | 560 series oscilloscopes]], [[introduced in 1963]]. It has independently switchable low frequency and high frequency limits. The low frequency limit can go well below 1 Hz, but it can't go to DC. | The '''Tektronix 2A61''' is a high gain differential AC amplifier plug-in for the [[560-series scopes | 560 series oscilloscopes]], [[introduced in 1963]]. It has independently switchable low frequency and high frequency limits. The low frequency limit can go well below 1 Hz, but it can't go to DC. | ||