P170CF: Difference between revisions
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[[File:Tek p170cf.jpg|thumb|350px|right]] | |||
The '''Tektronix P170CF''' is a cathode-follower probe intended for use with the [[517|517 scope]], or a [[128|Type 128 power supply]]. | The '''Tektronix P170CF''' is a cathode-follower probe intended for use with the [[517|517 scope]], or a [[128|Type 128 power supply]]. | ||
It came with three attenuator heads. | It came with three attenuator heads. | ||
The P170CF uses a [[5718]] triode. | The P170CF uses a [[5718]] triode. It requires a 170 Ω termination which is built into the 517 and needs to be externally connected for other instruments (the ''B170-R'' terminator with [[UHF connector]]s was available for this). | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Attenuation | | {{Spec | Attenuation | | ||
{{Spec | Input impedance | 12 MΩ // 5 pF | * Without attenuator: ×2 | ||
* With PAX-1 head: ×4 to ×40 | |||
* With PAX-2 head: ×20 to ×200 | |||
* With PAX-3 head: ×200 to ×2000 }} | |||
{{Spec | Input impedance | With attenuators: 12 MΩ // 5 pF @ min att. − 1.2 pF @ max. att. }} | |||
{{EndSpecs}} | {{EndSpecs}} | ||
==Links== | |||
* The P170CF is discussed in the [[Media:070-063.pdf|Tektronix Type 128 manual (PDF)]] | |||
==Pictures== | ==Pictures== | ||
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[[Category:Active | [[Category:Active oscilloscope probes]] |
Revision as of 09:40, 2 November 2019
The Tektronix P170CF is a cathode-follower probe intended for use with the 517 scope, or a Type 128 power supply. It came with three attenuator heads.
The P170CF uses a 5718 triode. It requires a 170 Ω termination which is built into the 517 and needs to be externally connected for other instruments (the B170-R terminator with UHF connectors was available for this).
Key Specifications
Attenuation |
|
---|---|
Input impedance | With attenuators: 12 MΩ // 5 pF @ min att. − 1.2 pF @ max. att. |
Links
- The P170CF is discussed in the Tektronix Type 128 manual (PDF)