P500CF: Difference between revisions
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The '''Tektronix Type P500CF''' is a cathode-follower probe. | The '''Tektronix Type P500CF''' is a cathode-follower probe. | ||
It uses a [[5718]] triode. | |||
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]]. | 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]]. | ||