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549: Difference between revisions
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The vertical -3dB bandwidth is 30MHz. | The vertical -3dB bandwidth is 30MHz. | ||
== Mix of Transistors of Tubes == | |||
Like many Tek scopes from the period, | Like many Tek scopes from the period, | ||
it uses a mix of transistors and tubes. | it uses a mix of transistors and tubes. | ||
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The vertical deflection plates of the CRT are | The vertical deflection plates of the CRT are | ||
driven by the plates of a 8608 10-watt power pentode, | driven by the plates of a 8608 10-watt power pentode, | ||
through inductive matching/peaking networks. | through inductive matching/peaking networks. | ||
== Non-Distributed Amplifier == | |||
The 549 is slightly unusual among 54x-series scopes | The 549 is slightly unusual among 54x-series scopes | ||
in that it does not use a | in that it does not use a | ||
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(Other exceptions include the [[545|545B]] and [[547]]). | (Other exceptions include the [[545|545B]] and [[547]]). | ||
== Triggering == | |||
Triggering is done using an NPN BJT Schmitt trigger. | Triggering is done using an NPN BJT Schmitt trigger. | ||