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The '''Tektronix 7B90P''' is a digitally programmable 400 MHz time-base plug-in for the digitizing mainframes of the [[7000-series scopes|7000 series]]. | The '''Tektronix 7B90P''' is a digitally programmable 400 MHz time-base plug-in for the digitizing mainframes of the [[7000-series scopes|7000 series]]. Except for the sweep calibration screwdriver adjustment and the external trigger input terminator switch all other controls are programmable. The local/remote state of the 7B90P is slaved to the local/remote state of the mainframe. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Sweep | {{Spec | Sweep | 10 ns/Div to 500 ms/Div (1-2-5), ×10 magnifier (down to 500 ps/Div), no variable sweep, adjustable and programmable holdoff}} | ||
{{Spec | Ext | {{Spec | Excluded sweep | First 10 ns in 79XX programmable mainframes }} | ||
{{Spec | Trigger Sensitivity PP Auto Mode AC or DC | 125 mV or 0.5 Div up to 50 MHz, 375 mV or 1.5 Div up to 400 MHz}} | |||
{{Spec | Trigger Sensitivity Norm or Single Sweep AC | 100 mV or 0.3 Div up to 50 MHz, 250 mV or 1.5 Div up to 400 MHz}} | |||
{{Spec | Jitter | <100 ps at 400 MHz }} | |||
{{Spec | Ext. Trigger 1 MΩ // 20 pF| Max. 250 V DC+peak AC }} | |||
{{Spec | Ext. Trigger 50 Ω| Max. 1 W}} | |||
{{Spec | Sweep/Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep}} | |||
{{EndSpecs}} | {{EndSpecs}} | ||
==Internals == | ==Internals == |
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