Comparison ledger
Tektronix 321, Tektronix 454, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 321Tektronix | 454Tektronix |
|---|---|---|
| OEM | Tektronix | Tektronix |
| Category | oscilloscope | oscilloscope |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | 1961 | 1967 |
| Production run | 1960–1972 | 1967–1974 |
| Lifecycle | — | — |
| Lifecycle milestones | 1961 introductory note | — |
| Control system | — | — |
| Generation | — | — |
| Family | Tektronix 321 | Tektronix 454 |
| Cited variants |
|
|
| Specifications | ||
| Type | portable oscilloscope[1] | Portable[1] |
| Power | AC line power or rechargeable batteries[1] | 90–136/180–272 V, 48–440 Hz, 100–145 W[2] |
| 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] | portable[1] |
| Introduced | 1961[3] | — |
| Bandwidth | 5 MHz[3] | — |
| bandwidth | — | 150 MHz[1] |
| series | — | 400 series[1] |
| Introduction | — | introduced in March 1967[2] |
| Designer | — | Oliver Dalton[2] |
| Relation | — | improved 453[2] |
| CRT | — | T4540; P31 phosphor standard / P11 optional[2] |
| Weight | — | 13 kg / 29 lb[2] |
| Dimensions | — | 310 x 184 x 520 mm[4] |
| Number of tubes | — | 7[4] |
| Number of transistors | — | 126[4] |
| Time base | — | 0.5 s to 5 ns/division[4] |
| Y bandwidth | — | DC to 150 MHz[4] |
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