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The 547 is a 50MHz scope that takes letter-series and 1-series plug-ins. | The 547 is a 50MHz scope that takes [[letter-series and 1-series plug-ins]]. | ||
It has two identical timebases and it has the ability | It has two identical timebases and it has the ability | ||
to display one input with one time scale | to display one input with one time scale | ||
and another input with a different time scale. | and another input with a different time scale. | ||
The effect is similar to a dual-beam scope. | The effect is similar to a [[dual-beam scopes|dual-beam scope]] assuming that | ||
This "Sweep Switching" feature differentiates the 547 from the [[546]]. | the input signals are repetitive. | ||
This "Sweep Switching" feature differentiates the 547 from the [[546]]. | |||
Triggering is done with [[tunnel diodes]], | Triggering is done with [[tunnel diodes]], | ||
which tend to shift in characteristics as the instrument ages. | which tend to shift in characteristics as the instrument ages. |