P80: Difference between revisions
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{{Probe Sidebar | |||
|manufacturer=Tektronix | |||
|model=P80 | |||
|summary=Active probe for 581/585+80 | |||
|image=Tek p80 side.JPG | |||
|caption=Tektronix P80 | |||
|for=80 | |||
|introduced=1959 | |||
|discontinued=(?) | |||
|manuals= | |||
* [[Media:070-276.pdf|Tektronix Type 80 / P80 Manual]] (sn 4986, color schematics)<br /><small>'''Alternate:''' [http://bama.edebris.com/download/tek/80/Tek%2080.pdf Tektronix Type 80 / P80 Manual] @ BAMA</small> | |||
}} | |||
The '''Tektronix P80''' is an active probe that works only with the [[80|Type 80]] plug-in for the [[581]] and [[585]] oscilloscopes. | The '''Tektronix P80''' is an active probe that works only with the [[80|Type 80]] plug-in for the [[581]] and [[585]] oscilloscopes. | ||
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{{Spec | Input voltage | max. 150 V<sub>DC</sub> in AC position; max. 600 V<sub>DC</sub> with optional capacitive coupler; max. 100 V<sub>DC</sub> when DC coupled (without optional attenuators) }} | {{Spec | Input voltage | max. 150 V<sub>DC</sub> in AC position; max. 600 V<sub>DC</sub> with optional capacitive coupler; max. 100 V<sub>DC</sub> when DC coupled (without optional attenuators) }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
==Pictures== | ==Pictures== | ||
Revision as of 09:23, 21 July 2022
The Tektronix P80 is an active probe that works only with the Type 80 plug-in for the 581 and 585 oscilloscopes.
The P80 and contains a 6688 (E180F) miniature RF pentode, which functions as a phase splitter providing 93 Ω differential outputs, not a simple cathode-follower.
Key Specifications
| Rise time | 3.5 ns in combination with Type 80 |
|---|---|
| Bandwidth | DC to 100 MHz (from 25 Ω source) in combination with Type 80 |
| Deflection | 0.1 V/Div (fixed) without optional attenuators; 0.2/0.4/0.5/1/2/5/10/20/50/100/200/500/1000 V/Div with attenuators |
| Input impedance | 100 kΩ // <14 pF (including capacitive coupler, without attenuators) |
| Input voltage | max. 150 VDC in AC position; max. 600 VDC with optional capacitive coupler; max. 100 VDC when DC coupled (without optional attenuators) |
Pictures
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Vents for tube
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P80 attached to Model 80
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Amphenol 165-14 connector, plugs into Type 80
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Schematic
Some Parts Used in the P80
| Part | Part Number(s) | Class | Description | Used in |
|---|---|---|---|---|
| 6688 | 154-0215-00 | Vacuum Tube (Pentode) | miniature high-slope VHF/UHF pentode | P80 • 3T77 • 3T77A • 4S2A • 526 • TR-4602 |