3T7
From TekWiki
The Tektronix Type 3T7 is a sampling timebase and pulser plug-in for 560-series scopes. Used with a 3S7, a TDR system is formed. The pulse is produced by a 21mA, 1.5pF tunnel diode, CR587, made by GE with Tektronix part number 152-0489-00.
Front
Left
Right
Top
Bottom
