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BNC connector with readout ring: Difference between revisions
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The [[7A14]] plugin uses the same BNC connector with a ring but the ring serves a different purpose, which is to detect the difference between the [[P6021]] and [[P6022]] probes, | The [[7A14]] plugin uses the same BNC connector with a ring but the ring serves a different purpose, which is to detect the difference between the [[P6021]] and [[P6022]] probes, | ||
and switching in appropriate gain and frequency compensation. The P6021 shorts this ring to ground, directly switching three relays connected to -15 V internally. | and switching in appropriate gain and frequency compensation. The P6021 shorts this ring to ground, directly switching three relays connected to -15 V internally. | ||
Readout-less [[5000-series plug-ins]] and some standalone scopes of the same era, e.g. many of the [[400-series scopes]] such as [[485]], use the ring to detect a ×10 (but not a ×100) probe, and indicate the correct scale factor using LEDs. | |||
==See also== | ==See also== | ||