547: Difference between revisions
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The usual solution is to scavenge a replacement from another scope. | The usual solution is to scavenge a replacement from another scope. | ||
* [http://bama.edebris.com/manuals/tek/547 547 | * [http://bama.edebris.com/manuals/tek/547 Tektronix 547 Manual (DjVu)] | ||
* [http://w140.com/tek_547.pdf Tektronix 547 Manual (PDF)] | |||
Revision as of 17:54, 2 January 2011
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 to display one input with one time scale and another input with a different time scale. The effect is similar to a dual-beam scope assuming that the input signals are repetitive. This "Sweep Switching" feature differentiates the 547 from the 546. Triggering is done with tunnel diodes, which tend to shift in characteristics as the instrument ages.
A replacement CRT for the 547 can be taken from a 543B, 544, 545B, 546, or another 547. A common problem with 547's is the HV transformer. When it fails, typically it overheats. The usual solution is to scavenge a replacement from another scope.