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> Hp 141T unit display section network spectrum analyzer
Hp 141T unit display section network spectrum analyzer
(1) HP HP 141T Display Section
The Model 141T is designed for use as a display section for the HP Model 141T / 8550-series plug-in spectrum analyzer. The instrument has variable persistence (duration of trace afterglow) and storage of CRT displays. Persistence is variable from 0.2 second to more than 60 seconds. A display can be stored (at reduced intensity ) for more than 2 hours or displayed normal intensity for up to 1 minute. Stored displays can be erased in 35o milliseconds.
Variable persistence is especially useful for viewing slow-sweep signals. The persistence of the signals can be adjusted to provide a complete trace, yet to fade fast enough to prevent interference with the next trace and can be adjusted to eliminate flicker and still provide high resolution.
The storage feature of the instrument can be used to store single-shot waveforms and to later view or photograph the phenomena. Comparison of waveforms can be accomplished by storing several displays separately and then viewing them simultaneously
