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where RL(dB) is the return loss in dB, P i is the incident power and P r is the reflected power. Return loss is related to both standing wave ratio (SWR) and reflection coefficient (Γ). Increasing return loss corresponds to lower SWR. Return loss is a measure of how well devices or lines are matched. A match is good if the return loss is high.
Voltage standing wave ratio (VSWR) (pronounced "vizwar" [1] [2]) is the ratio of maximum to minimum voltage on a transmission line . For example, a VSWR of 1.2 means a peak voltage 1.2 times the minimum voltage along that line, if the line is at least one half wavelength long.
By definition, a Macintosh conversion is an aftermarket modification of a previously purchased, genuine Apple Mac computer or laptop, while preserving the core components required to run the Mac operating system, such as the donor Mac's motherboard.
The voltage standing wave ratio (VSWR) at a port, represented by the lower case 's', is a similar measure of port match to return loss but is a scalar linear quantity, the ratio of the standing wave maximum voltage to the standing wave minimum voltage.
macOS Ventura supports Macs with Apple silicon and Intel's Xeon-W and 7th-generation Kaby Lake chips or later, and drops support for Macs released from 2015 to 2016, officially marking the end of support for the Retina MacBook Pro, 2015-2017 MacBook Air, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro. The 21.5 inch 2017 iMac is the only ...
The Modbook is a brand of a pen-enabled Mac tablet computers first manufactured by Axiotron, Inc. from 2008 [1] [2] to 2010, [3] and then by Modbook Inc. from 2012 to present. It is an aftermarket Mac conversion based on certain models of the MacBook and MacBook Pro product lines manufactured by Apple.
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Apple launched Rosetta in 2006 upon the Mac transition to Intel processors from PowerPC. It was embedded in Mac OS X v10.4.4 "Tiger", the version that was released with the first Intel-based Macs, and allows many PowerPC applications to run on Intel-based Mac computers without modification.