485: Difference between revisions

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==Internals==
==Internals==
The 485 includes a switching power supply and uses [[155-0078-00|custom integrated circuits]] for most of the gain blocks.  Triggering uses [[tunnel diodes]].
The 485 includes a switching power supply and uses [[155-0078-00|custom integrated circuits]] for most of the gain blocks.  Triggering uses [[tunnel diodes]].
==Maintenance issues==
A healthy Tek 485 CRT has been observed to have a filament current of 98 mA.
A broken Tek 485 CRT that lost its vacuum was observed to have a filament current of 153 mA.


==Pictures==
==Pictures==

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