31,822
edits
321: Difference between revisions
Jump to navigation
Jump to search
no edit summary
No edit summary |
No edit summary |
||
| (2 intermediate revisions by 2 users not shown) | |||
| Line 16: | Line 16: | ||
* [[Media:070-425.pdf|Tektronix 321A Manual (PDF, OCR, bad-OCR)]] | * [[Media:070-425.pdf|Tektronix 321A Manual (PDF, OCR, bad-OCR)]] | ||
* [[Media:tek_321_fcp.pdf|Tektronix 321 factory calibration procedure (PDF, OCR, bad-OCR)]] | * [[Media:tek_321_fcp.pdf|Tektronix 321 factory calibration procedure (PDF, OCR, bad-OCR)]] | ||
* [[Media:Tek 321a fcp june 1968.pdf]] | |||
}} | }} | ||
The '''Tektronix 321''' is a very compact single-trace, single-timebase portable oscilloscope that is almost completely solid state. | The '''Tektronix 321''' is a very compact single-trace, single-timebase portable oscilloscope that is almost completely solid state. | ||
| Line 22: | Line 23: | ||
The 321 includes several germanium bipolar transistors, which are a known reliability problem. | The 321 includes several germanium bipolar transistors, which are a known reliability problem. | ||
The 321A was [[introduced in 1964]]. The 321 and 321A have slightly different circuits. | The '''321A''' was [[introduced in 1964]]. The 321 and 321A have slightly different circuits. | ||
Early instances of the 321 (sn pre-720) use a [[5718]] peanut tube as the front-end cathode follower. | Early instances of the 321 (sn pre-720) use a [[5718]] peanut tube as the front-end cathode follower. | ||
| Line 92: | Line 93: | ||
tek-321-round-front.jpg | 321 round front | tek-321-round-front.jpg | 321 round front | ||
tek-321-round-vs-rect.jpg | 321 round vs. rectangular models | tek-321-round-vs-rect.jpg | 321 round vs. rectangular models | ||
321_pair.JPG | 321 and 321A | |||
321_front.jpg|321 front view | 321_front.jpg|321 front view | ||
321_right_case.jpg|321 right case | 321_right_case.jpg|321 right case | ||