11A72
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The Tektronix 11A72 is a 1 GHz dual-channel vertical amplifier plug-in for 11000-series and DSA600-series oscilloscopes.
The analog parts of the 11A72 were designed by Jim Lamb with Carl Battjes as a consultant. Brian Rhodefer designed the ACVS, D/A converter, calibration system and firmware.
Key Specifications
| Bandwidth | 1 GHz |
|---|---|
| Input impedance | 50 Ω via a Tekprobe BNC connector on the front on the plug-in |
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Links
Documents referencing 11A72
| Document | Class | Title | Authors | Year | Links |
|---|---|---|---|---|---|
| ServiceTekNotes 61 Nov 1990.pdf | Article | 11A72 U350 replacement | 1990 | 11A72 |
Prices
| Year | Catalog price | In 2026 dollars |
|---|---|---|
| 1993 | $4,595 | ~$10,600 |
Pictures
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front view
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left side view
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right side view
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top view
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bottom view
Components
Some Parts Used in the 11A72
| Part | Part Number(s) | Class | Description | Used in |
|---|---|---|---|---|
| 155-0076-00 | 155-0076-00 | Monolithic integrated circuit | input protection and probe logic | 465 • 485 • 7A29 • 7A29P • 11F10 • 11A52 • 11A71 • 11A72 • SCD1000 |
| 165-0021-00 | 165-0021-00 • 165-0021-01 | Hybrid integrated circuit | vertical preamplifier | 11A72 |
| Dallas DS1220Y | 156-2671-00 | Hybrid integrated circuit | non-volatile static RAM | 11A16 • 11A32 • 11A33 • 11A34 • 11A71 • 11A72 |
| Intel 8031 | 156-1684-00 • 156-1684-01 • 156-6087-00 | Monolithic integrated circuit | 8-bit microcontroller | 11A33 • 11A71 • 11A72 • 11A81 • 11F10 • 1725 • 571 • ASG100 • DM504A • DM2510 • DM2510G • DM511 • DM5110 |