Tektronix 7B53AN Dual Time Base Plug In for 7000 Series Oscilloscopes

Tektronix 7D15 255 MHz Universal Counter/Timer, for 7000 Series Oscilloscopes

Tektronix 7B53AN Plug-In Module Dual Time Base for 7000 Series Oscilloscopes

Tektronix 7A13 Differential Comparator Plug-In Module for 7000 Series Oscillosc

Tektronix 7B53A Dual Time Base

Tektronix 7B53A 100 MHz dual time base plug-in for 7K series oscilloscopes

Tektronix 7B53A Dual Time Base Oscilloscope Plug-In Module For Parts (T-101)