P170CF: Difference between revisions
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The Tektronix P170CF is a cathode-follower probe intended for use with the [[517]] | {{Probe Sidebar | ||
|manufacturer=Tektronix | |||
|model=P170CF | |||
|summary=Cathode-Follower Probe | |||
|image=Tek p170cf.jpg | |||
|caption=Tektronix P170CF | |||
|for=517 | |||
|introduced=(?) | |||
|discontinued=(?) | |||
|manuals= | |||
* [[Media:070-201.pdf|070-201 manual needed]] | |||
* Covered by [[Media:070-063.pdf|Type 128 manual]] | |||
}} | |||
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. | |||
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}} | |||
{{Spec | Attenuation | | |||
* 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}} | |||
==Pictures== | |||
<gallery> | <gallery> | ||
Tek p170cf.jpg | |||
Tek p170 1961 cat.png | |||
</gallery> | </gallery> | ||
{{Parts|P170CF}} | |||
[[Category:Manual needed]] | |||
[[Category:Active oscilloscope probes]] | |||
Latest revision as of 08:22, 26 January 2023
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. |
Pictures
Some Parts Used in the P170CF
| Part | Part Number(s) | Class | Description | Used in |
|---|---|---|---|---|
| 5718 | 154-0053-00 | Vacuum Tube (Triode) | subminiature high-frequency triode | 321 • P500CF • P170CF |