Dual-beam scopes: Difference between revisions
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* [[502]] | '''Dual-beam scopes''' contain CRTs with two separate electron guns, | ||
producing separate electron beams that can be deflected independently | |||
for displaying different signals. | |||
Depending on the tube, the beams may share horizontal deflection plates, | |||
or may have completely separate deflection. | |||
Scopes that use electronic multiplexing to display more than one signal using | |||
just one electron beam are called ''multi-trace (dual-trace, quad-trace) scopes''. | |||
Some dual-beam scopes allow displaying multiple traces per beam by using dual- | |||
or quad-trace plugins. | |||
Tektronix produced the following true dual-beam models: | |||
* [[502]] - 1 MHz monolithic scope, common horizontal system, differential inputs | |||
* [[551]] | * [[551]] | ||
* [[555]] | * [[555]] | ||
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* [[5112]] | * [[5112]] | ||
* [[5113]] | * [[5113]] | ||
* [[5444]] | * [[5444]] - 60 MHz mainframe from the 5000 series (1976-?) | ||
* [[7844]] | * [[7844]] - 400 MHz mainframe from the 7000 series, four plugins, completely separate deflection (1975-1988) |