547: Difference between revisions
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A replacement CRT for the 547 can be taken from a [[543|543B]], [[544]], [[545|545B]], [[546]], or another 547. | A replacement CRT for the 547 can be taken from a [[543|543B]], [[544]], [[545|545B]], [[546]], or another 547. | ||
A common problem with 547's is the HV transformer. | A common problem with 547's is the [[hv_transformer|HV transformer]]. | ||
When it fails, typically it overheats. | When it fails, typically it overheats. | ||
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 manual on BAMA] | * [http://bama.edebris.com/manuals/tek/547 547 manual on BAMA] | ||
Revision as of 19:59, 4 July 2010
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. 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.