7612D
The Tektronix 7612D is a digitizer that takes two vertical 7000-series plug-ins, typically the digitally programmable 7A16Ps.
It has a vertical bandwidth of 80 MHz. The sample rate is 200 Msamples/s. It uses a T7610 tube with an electron-bombarded semiconductor sensor as the digitizer, a form of scan converter.
Key Specifications
| Sampling Clock | 200 MHz ±0.0035% |
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| Sampling Rate | 1 S/s – 200 MS/s |
| Bandwidth | 90 MHz |
| Resolution | 8 bit |
| Effective number of bits |
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| Memory | 2048 8-bit words/channel |
Links
Documents Referencing 7612D
| Document | Class | Title | Authors | Year | Links |
|---|---|---|---|---|---|
| Tekscope 1980 V12 N2.pdf | Article | New Products | 1980 | 7854 • 468 • AA501 • SG505 • CG551AP • 1900 • 7612D | |
| Handshake spring 1986.pdf | Article | Digital pulse-echo techniques for advanced composites | John L. Cline • R.L. Carlsen | 1986 | 7A16P • 7612D • 624 • 4041 • 4907 • MI5010 • 50M30 • TM5003 |
See Also
Digitizing
The main advantage of the instrument is the capability of changing the sample rate during digitizing, see the returned raw data of the example pictured below.
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Digitizing two waveforms on the 7612D...
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...Channel A digitizes the waveform with a constant samplerate...
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...On channel B the waveform is digitized with five different samplerates.
Pictures
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7612D with 620 Monitor
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Principle of tube
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7612D digitizer tube
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7612D digitizer tube
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7612D digitizer tube
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7612D digitizer tube
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Digitizer Tubes
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CPU Card
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Timebase Card
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Storage Card
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Oscillator Board
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Amplifier board top view
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Amplifier board bottom view
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Clock buffer board top view
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Clock buffer board bottom view
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Front panel top view
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Front panel bottom view
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GPIB (IEEE) board top view
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GPIB (IEEE) board bottom view
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MPU (CPU) board, later revision, top view
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MPU (CPU) board, later revision, bottom view
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Power supply
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Power supply
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Power supply
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Power supply
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Data storage board top view
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Data storage board bottom view
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Data storage board variant 1
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Data storage board variant 2
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Data storage board variant 3
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Timebase board top view
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Timebase board bottom view
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Translator board top view
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Translator board bottom view
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Trigger board top view
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Trigger board bottom view
Components
Some Parts Used in the 7612D
| Part | Part Number(s) | Class | Description | Used in |
|---|---|---|---|---|
| 155-0109-00 | 155-0109-00 • 155-0109-01 | Monolithic integrated circuit | trigger | 5B25N • 5B31 • 5B40 • 5B42 • 5B44 • 5S14N • 7B50A • 7B53A • 7B80 • 7B85 • 7B87 • 7B81P • 7B90P • 7S14 • 7612D • SC502 • SC503 • SC504 |
| 203-0175-90 | 203-0175-90 | Monolithic integrated circuit | dual strobed voltage comparator | 7612D |
| T7610 | 154-0784-00 • 154-0784-01 | CRT | coding tube | 7612D |