545
The 545 is a 33MHz scope that takes a letter-series or 1-series vertical plug-in. It has two timebases which allows delayed triggering. There was the 545, then the 545A, then the 545B. The 545B uses the same CRT as the 547.
The 545 is a 33MHz scope that takes a letter-series or 1-series vertical plug-in. It has two timebases which allows delayed triggering. There was the 545, then the 545A, then the 545B. The 545B uses the same CRT as the 547.