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{{Plugin Sidebar |
{{Plugin Sidebar  
manufacturer=Tektronix | type=7B90 |
|manufacturer=Tektronix  
summary=400 MHz Programmable Timebase|
|series=7000-series scopes
image=7B90P_front.jpg |  
|type=7B90P
caption=Tektronix 7B90P front |
|summary=400 MHz programmable timebase
introduced=1978 |
|image=7B90P_front.jpg  
discontinued=1989 |
|caption=Tektronix 7B90P front  
series=7000-series scopes|
|introduced=1978  
manuals=
|discontinued=1989  
* [http://w140.com/smb/7b90p_sm.pdf Tektronix 7B90P (OCR, PDF)]
|manuals=
* [[Media:070-2309-00.pdf|7B90P Instruction Manual]] (OCR)
* [[Media:Tek 7b90p schematics.pdf|7B90P Schematics]]
* [[Media:47W-4493-1.pdf|7A16P and 7B90P Brochure]]
 
{{ROM Images}}
* U1030: [[Media:160-1513-00.bin|160-1513-00]]
* U830:  [[Media:160-1514-00.bin|160-1514-00]]
}}
}}
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.  
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.


{{BeginSpecs}}
{{BeginSpecs}}
{{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 | 125 mV or 0.5 Div up to 50 MHz, 375 mV or 1.5 Div up to 400 MHz}}
{{Spec | Trigger Sensitivity |
{{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}}
* 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 // 20 pF| Max. 250 V DC+peak AC }}
{{Spec | Ext. Trigger | 1 MΩ: 20 pF, max. 250 V DC+peak AC; 50 Ω: max. 1 W}}
{{Spec | Ext. Trigger 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}}


==Links==
{{Documents|Link=7B90P}}


==Internals ==
==Internals ==
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</gallery>
</gallery>


 
==Components==
{{Custom ICs|7B90P}}
{{Parts|7B90P}}


[[Category:7000 series horizontal plugins]]
[[Category:7000 series horizontal plugins]]
[[Category:7000_series_programmable_plugins]]
[[Category:7000_series_programmable_plugins]]
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