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* [http://w140.com/tek_fcp/tek_type_z_factory_cal_proc.pdf Tektronix Type Z Factory Calibration Procedure (PDF)] | * [http://w140.com/tek_fcp/tek_type_z_factory_cal_proc.pdf Tektronix Type Z Factory Calibration Procedure (PDF)] | ||
}} | }} | ||
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 | 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. | 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. | This allows DC-coupled measurements of small signals with large DC offsets. | ||
Its maximum sensitivity is | Its maximum sensitivity is 50 mV/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 | ||
amplifier is | amplifier is 27 ns (13 MHz bandwidth), but it can track a common-mode risetime of 7ns. | ||
The Type Z has two inputs, A and B, plus a precision comparison voltage, V<sub>C</sub>, that is | The Type Z has two inputs, A and B, plus a precision comparison voltage, V<sub>C</sub>, that is | ||