7B90P: Difference between revisions
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m (→top: clean up, replaced: {{Plugin Sidebar 2 → {{Plugin Sidebar , series=7000-series scopes| → series=7000-series scopes|, title=Tektronix → manufacturer=Tektronix | type=) |
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{{Plugin Sidebar | {{Plugin Sidebar | | ||
manufacturer=Tektronix | type=7B90 | | |||
summary=Programmable Timebase| | summary=Programmable Timebase| | ||
image=7B90P_front.jpg | | image=7B90P_front.jpg | | ||
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introduced=1978 | | introduced=1978 | | ||
discontinued=1989 | | discontinued=1989 | | ||
series= | series=7000-series scopes| | ||
manuals= | manuals= | ||
* [http://w140.com/smb/7b90p_sm.pdf Tektronix 7B90P (OCR, PDF)] | * [http://w140.com/smb/7b90p_sm.pdf Tektronix 7B90P (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]]. 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. | 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}} | ||
Revision as of 03:00, 9 August 2021
The Tektronix 7B90P is a digitally programmable 400 MHz time-base plug-in for the digitizing mainframes of the 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.
Key Specifications
| 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 |
|---|---|
| Excluded sweep | First 10 ns in 79XX programmable mainframes |
| 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 |
| 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 |
| Jitter | <100 ps at 400 MHz |
| Ext. Trigger 1 MΩ // 20 pF | Max. 250 V DC+peak AC |
| Ext. Trigger 50 Ω | Max. 1 W |
| Sweep/Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep |
Internals
The 7B90P is controlled by a Motorola 6800 microprocessor.
Pictures
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Front
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Front
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Right
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Right
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Left
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A late version of the 7B90P with connectors for the 021-0374-00 GPIB decoder
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Connectors for the 021-0374-00 GPIB decoder on a late 7B90P
