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series=7000-series scopes| | series=7000-series scopes| | ||
manuals= | manuals= | ||
* [ | * [[Media:070-2309-00.pdf|7B90P Instruction Manual]] (OCR, PDF) | ||
}} | }} | ||
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]]. | ||
All controls are programmable except for the sweep calibration screwdriver adjustment and the external trigger input terminator switch. | |||
The local/remote state of the 7B90P is slaved to the local/remote state of the mainframe. | The local/remote state of the 7B90P is slaved to the local/remote state of the mainframe. | ||
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{{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 | 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 | Excluded sweep | First 10 ns in 79XX programmable mainframes }} | {{Spec | Excluded sweep | First 10 ns in 79XX programmable mainframes }} | ||
{{Spec | Trigger Sensitivity PP Auto Mode AC or DC | {{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 | |||
* 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 | Jitter | <100 ps at 400 MHz }} | ||
{{Spec | Ext. Trigger 1 MΩ | {{Spec | Ext. Trigger | 1 MΩ: 20 pF, max. 250 V DC+peak AC; 50 Ω: max. 1 W}} | ||
{{Spec | Sweep/Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep}} | {{Spec | Sweep/Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep}} | ||
{{EndSpecs}} | {{EndSpecs}} |