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 1961– 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] |
Sources
Sources (1)Every fact above is drawn from these public sources
- [1]en.wikipedia.orgen.wikipedia.org