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The Tektronix Type P500CF is a cathode-follower probe. | 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. | |||
The P500CF is discussed in the 128 manual. | |||
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[[Category:Active Oscilloscope Probes]] | [[Category:Active Oscilloscope Probes]] |