Comparison ledger
Tektronix 321, Tektronix 422, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 321Tektronix | 422Tektronix |
|---|---|---|
| OEM | Tektronix | Tektronix |
| Category | oscilloscope | oscilloscope |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | 1961 | 1966 |
| Production run | 1961– | 1966– |
| Lifecycle | — | — |
| Lifecycle milestones | 1961 introductory note | — |
| Control system | — | — |
| Generation | — | — |
| Family | Tektronix 321 | Tektronix 422 |
| Cited variants |
| — |
| Specifications | ||
| Type | portable oscilloscope[1] | — |
| Power | AC line power or rechargeable batteries[1] | — |
| Technology note | first battery-operated transistor oscilloscope[1] | — |
| introduction year | 1961[1] | — |
| power options | AC line or rechargeable batteries[1] | — |
| vertical amplifier input | Nuvistor ceramic tube[1] | — |
| transistorization | Mostly transistorized, except for vertical amplifier input[1] | — |
| portability | Completely portable[1] | — |
| bandwidth | — | 16 MHz[1] |
| series | — | 400 series[1] |
| product type | — | high-frequency full-function oscilloscope[1] |
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