7B80: Difference between revisions
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The Tektronix 7B80 is a 400 MHz single | The '''Tektronix 7B80''' is a 400 MHz single time base plug-in without delay function for [[7000-series scopes]], | ||
typically the 7800 Series, e.g. [[7844]]. | typically the 7800 Series, e.g. [[7844]]. | ||
It uses the [[155-0126-00]] trigger amplifier followed by the [[155-0109-01]] trigger detector. | It uses the [[155-0126-00]] trigger amplifier followed by the [[155-0109-01]] trigger detector. | ||
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{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Sweep | 10 ns/Div to 5 s/Div (1-2-5), | {{Spec | Sweep | 10 ns/Div to 5 s/Div (1-2-5), ×10 magnifier (down to 1 ns/Div), variable sweep (up to ×2.5) and holdoff (up to ×2 sweep lengths at 20 ms/Div and faster)}} | ||
{{Spec | Excluded sweep | First 10 ns in 78xx, 79xx; First 20 ns in 77xx; First 50 ns in other mainframes }} | |||
{{Spec | Trigger | 50 mV or 0.3 Div up to 50 MHz, 250 mV or 1.5 Div up to 400 MHz; AC >30 Hz, LF REJ >30 kHz, HF REJ <50 kHz }} | |||
{{Spec | Jitter | <100 ps at 400 MHz }} | |||
{{Spec | Ext. Trigger | Max. 250 V DC+peak AC, 1 MΩ // 20 pF }} | |||
{{Spec | Sweep/Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep}} | {{Spec | Sweep/Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep}} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Tek 7b80 front.jpg | Front | |||
7b80-opt2-left.jpg | 7B80 Opt.2, left side | |||
7b80-opt2-left--xy-removed.jpg | 7B80 Opt.2, left side, X-Y switch board removed | |||
7b80-opt2-xy-top.jpg | 7B80 Opt.2, X-Y switch board, top | |||
7b80-opt2-xy-bot.jpg | 7B80 Opt.2, X-Y switch board, bottom | |||
7b80-right.jpg | 7B80, right side | |||
7b80 right front.jpg | Right front | |||
7b80 right rear.jpg | Right rear | |||
7b80 left front.jpg | Left front | |||
7b80 left rear.jpg | Left rear | |||
7b80 top.jpg | Top | |||
7b80 rear.jpg | Rear | |||
</gallery> | </gallery> | ||
[[Category:7000 series horizontal plugins]] | [[Category:7000 series horizontal plugins]] | ||
[[Category:Specifications needed]] | [[Category:Specifications needed]] | ||
Revision as of 10:07, 2 January 2017
The Tektronix 7B80 is a 400 MHz single time base plug-in without delay function for 7000-series scopes, typically the 7800 Series, e.g. 7844. It uses the 155-0126-00 trigger amplifier followed by the 155-0109-01 trigger detector.
Option 2 adds support for X-Y mode via a "Display mode" switch (pictured). When X-Y mode is selected, the X-axis signal is taken from the internal trigger path.
The companion delaying timebase for use in 4-slot mainframes is the 7B85.
Key Specifications
| Sweep | 10 ns/Div to 5 s/Div (1-2-5), ×10 magnifier (down to 1 ns/Div), variable sweep (up to ×2.5) and holdoff (up to ×2 sweep lengths at 20 ms/Div and faster) |
|---|---|
| Excluded sweep | First 10 ns in 78xx, 79xx; First 20 ns in 77xx; First 50 ns in other mainframes |
| Trigger | 50 mV or 0.3 Div up to 50 MHz, 250 mV or 1.5 Div up to 400 MHz; AC >30 Hz, LF REJ >30 kHz, HF REJ <50 kHz |
| Jitter | <100 ps at 400 MHz |
| Ext. Trigger | Max. 250 V DC+peak AC, 1 MΩ // 20 pF |
| Sweep/Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep |
Pictures
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Front
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7B80 Opt.2, left side
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7B80 Opt.2, left side, X-Y switch board removed
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7B80 Opt.2, X-Y switch board, top
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7B80 Opt.2, X-Y switch board, bottom
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7B80, right side
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Right front
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Right rear
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Left front
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Left rear
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Top
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Rear
