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The Tektronix Type Z is a comparator plug-in for [[500-series scopes]]. | The Tektronix Type Z is a comparator plug-in for [[500-series scopes]]. | ||
Its two main subsystems are a differential amplifier and a precision variable | |||
DC voltage source, which can be used as one of the amplifier inputs. | |||
This allows DC-coupled measurements of small signals with large DC offsets. | |||
Its maximum sensitivity is 50mV/div, and it achieves 40,000 to 1 common-mode | Its maximum sensitivity is 50mV/div, and it achieves 40,000 to 1 common-mode | ||
rejection at DC and low frequencies. Its risetime as a general-purpose | rejection at DC and low frequencies. Its risetime as a general-purpose | ||