3A9: Difference between revisions
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The Tektronix 3A9 is a differential amplifier plug-in introduced in 1969 for 560-series scopes. | The Tektronix 3A9 is a differential amplifier plug-in [[introduced in 1969]] for [[560-series scopes]]. | ||
It provides a variable high-frequency cut-off from 100Hz to 1MHz. It provides | It provides a variable high-frequency cut-off from 100Hz to 1MHz. It provides | ||
a variable low-frequency cut-off from DC to 10kHz. In the case where the frequency | a variable low-frequency cut-off from DC to 10kHz. In the case where the frequency | ||