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David Wise (talk | contribs) (Create page for the P410 high-speed 10x voltage probe introduced with the 541/545. Someday I'll scan the probe brochure.) |
David Wise (talk | contribs) (series) |
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It connects to the scope with a [[UHF connector]]. | It connects to the scope with a [[UHF connector]]. | ||
The | The "P400 series" (not to be confused with the modern [[P400]] probe) also includes P405 (5x), P420 (20x), P450 (50x), P450-L (50x extra low capacitance), and P4100 (100x). | ||
These probes were [[Introduced in 1955]] along with the [[541|Type 541]] and [[545|Type 545]] scopes because at 30MHz the [[P510|P510A]]'s 50-ohm coax cable exhibited unacceptable ringing due to the impedance mismatch at the scope's 1 MΩ input. It uses a special cable with a very thin, high-resistance center conductor which creates a better impedance match. All subsequent high-impedance probes use this kind of cable. | |||
[[Category:1 MOhm Oscilloscope Probes]] | [[Category:1 MOhm Oscilloscope Probes]] |
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