Tool family

Tektronix 321

Tektronix Model 321 was introduced in 1961 as a portable oscilloscope and is described as Tektronix's first battery-operated transistor oscilloscope.

Models in this family

321introduced 1961produced 1960–1972
The Tektronix 321 is a portable single-channel oscilloscope and Tektronix's first battery-operated transistor oscilloscope.
Cited variants
Designation Generation Vintage Changes Source
321A — — described as the all-transistor model introduced about a year and a half after the 321 en.wikipedia.org^[1]

Designation	Generation	Vintage	Changes	Source
321A	—	—	described as the all-transistor model introduced about a year and a half after the 321	en.wikipedia.org^[1]

Sources (1)Every fact above is drawn from these public sources