Vintage Tektronix Oscilloscope Plug In Module ~ 11A33 Differential Comparator

3EE Tektronix 11A33 150-MHz Differential Comparator Amplifier

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TEKTRONIX 7A13 DIFFERENTIAL COMPARATOR W/ ORG. MANUAL PLUG IN TESTED WORKING

Tektronix Mode: 11A72 Two Channel Amplifier.

TEKTRONIX 7B10 TIME BASE 1 GHz PLUG IN TESTED WORKING

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Tektronix 7A18 Dual Trace Amplifier Plug-In Module 75MHz w/ opcion 6