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2A61: Difference between revisions
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The Tektronix 2A61 is a differential amplifier plug-in for [[560-series scopes]]. | The Tektronix 2A61 is a differential amplifier plug-in for [[560-series scopes]]. | ||
It was [[introduced in 1963]]. | |||
The deflection factor ranges from 10uV/div to 20mV/div. | The deflection factor ranges from 10uV/div to 20mV/div. | ||
There are switch-selectable high-frequency and low-frequency cutoffs. | There are switch-selectable high-frequency and low-frequency cutoffs. | ||
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To implement the low-frequency cutoff, | To implement the low-frequency cutoff, | ||
the 2A61 has a large electrolytic capactitor, | the 2A61 has a large electrolytic capactitor, | ||
C437 | C437 (13,000uF or 20,000uF depending on serial number), | ||
in the emitter frequency compensation network | in the emitter frequency compensation network | ||
of the second differential amplifier stage. | of the second differential amplifier stage. | ||