P170CF: Difference between revisions
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Revision as of 13:08, 13 July 2022
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)
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 |