P500CF: Difference between revisions

P500CF (view source)

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 The '''Tektronix Type P500CF''' is a cathode-follower probe.
-Like all active probes, it requires power, which can be provided by the oscilloscope or by an external probe power supply like the [[128]]. It requires +120 V<sub>DC</sub> for the plate supply, and +6.3 V<sub>DC</sub> for the heater.
+It requires +120 V<sub>DC</sub> for the plate supply and +6.3 V<sub>DC</sub> for the heater, which can be provided by an oscilloscope (e.g. [[517]]), amplifier (e.g. [[1121]]) or external probe power supply like the [[128]].
 The P500CF is discussed in the 128 manual.