546

The Tektronix 546 is like a 547, but without synchronized alternating timebases. It uses letter-series and 1-series plug-ins. Functionally, it is like a 545B, but with tunnel diode triggering and 50MHz vertical bandwidth. There is also a rackmount version, the RM546. It

• http://w140.com/tek_546.pdf

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  RM546

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