067-0544-00
The Tektronix 067-0544-00 is a calibration plug-in for the 647A. It is shown on page 10 of the 1980 Calibration Fixtures Catalog.
The Tektronix 067-0544-00 is a calibration plug-in for the 647A. It is shown on page 10 of the 1980 Calibration Fixtures Catalog.