7B90P: Difference between revisions
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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary= | |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 | ||
|introduced=1978 | |||
manuals= | |discontinued=1989 | ||
* [ | |manuals= | ||
* [[Media:070-2309-00.pdf|7B90P Instruction Manual]] (OCR, PDF) | |||
* [[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]]. | 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. | |||
{{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 | {{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}} | ||
Line 35: | Line 43: | ||
7B90P_right.jpg |Right | 7B90P_right.jpg |Right | ||
7B90P_left.jpg |Left | 7B90P_left.jpg |Left | ||
Tek_7B90P_late.jpg|A late version of the 7B90P with connectors for the [[021-0374-00]] GPIB decoder | |||
Tek_7B90P_decoder_conn.jpeg|Connectors for the [[021-0374-00]] GPIB decoder on a late 7B90P | |||
</gallery> | </gallery> | ||
{{Custom ICs|7B90P}} | |||
[[Category:7000 series horizontal plugins]] | [[Category:7000 series horizontal plugins]] | ||
[[Category:7000_series_programmable_plugins]] | [[Category:7000_series_programmable_plugins]] |
Revision as of 06:58, 4 April 2022
The Tektronix 7B90P is a digitally programmable 400 MHz time-base plug-in for the digitizing mainframes of the 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.
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 |
|
Jitter | <100 ps at 400 MHz |
Ext. Trigger | 1 MΩ: 20 pF, max. 250 V DC+peak AC; 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
-
Connectors for the 021-0374-00 GPIB decoder on a late 7B90P
Custom ICs used in the 7B90P
Page | Model | Part nos | Description | Designers | Used in |
---|---|---|---|---|---|
155-0049-00 | M079G | 155-0049-00 • 155-0049-01 • 155-0049-02 | sweep control with lockout | Bill DeVey | 335 • 464 • 465 • 466 • 475 • 475A • 475M • 485 • 5B31 • 5B40 • 5B52 • 5B42 • 5B44 • 7B53A • 7B80 • 7B85 • 7B87 • 7B92A • 7B90P • 7B10 • 7B15 • SC502 • 7B42N • AN/USM-281C • 067-0657-00 |
155-0109-00 | M120B | 155-0109-00 • 155-0109-01 | trigger | Gary Vance | 5B25N • 5B31 • 5B40 • 5B42 • 5B44 • 5S14N • 7B50A • 7B53A • 7B80 • 7B85 • 7B87 • 7B81P • 7B90P • 7S14 • 7612D • SC502 • SC503 • SC504 |
155-0126-00 | M121 | 155-0126-00 | trigger source selector and P-P auto amplifier | Art Metz | 7B50A • 7B80 • 7B85 • 7B87 • 7B81P • 7B90P |
155-0135-00 | M171 | 155-0135-00 | custom legend generator | Roger McCoy • Mike Metcalf | 7A16P • 7B90P |
155-0164-00 | H526(?) | 155-0164-00 | time slot switch | 7A16P • 7B90P • 7A29P |