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TWD120: Difference between revisions
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{{Oscilloscope Sidebar | |||
|manufacturer=Tektronix | |||
|series= | |||
|model=TWD120 | |||
|summary=100 MHz, 100 MS/s 8-bit 2-ch digitizer | |||
|image=twd120 9.jpg | |||
|caption=Tektronix TWD120 | |||
|introduced=1994 | |||
|discontinued=1995 | |||
|designers= | |||
|manuals= | |||
* [http://www.ko4bb.com/getsimple/index.php?id=download&file=Tektronix/Tektronix_Miscelaneous/Tektronix_TWD120_Digitizer_Operator_Manual.zip Tektronix TWD 120 Digitizer Instruction Manual (ZIP)] | |||
* [http://www.ko4bb.com/getsimple/index.php?id=download&file=Tektronix/Tektronix_TWD120_Digitizer_Operator_Manual.pdf Tektronix TWD 120 Digitizer Reference Manual (PDF)] | |||
}} | |||
The '''Tektronix TWD 120 Digitizer''' allows a Windows PC to be used as a digital storage oscilloscope. It is rated at 100 MHz, has two input channels and an external trigger input. It connects to the host PC via a SCSI bus. | The '''Tektronix TWD 120 Digitizer''' allows a Windows PC to be used as a digital storage oscilloscope. It is rated at 100 MHz, has two input channels and an external trigger input. It connects to the host PC via a SCSI bus. | ||
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The Adaptec ASPI SCSI driver is required for the software to communicate with the digitizer. SCSI configuration can be tricky. | The Adaptec ASPI SCSI driver is required for the software to communicate with the digitizer. SCSI configuration can be tricky. | ||
{{ | {{BeginSpecs}} | ||
{{SpecGroup|Acquisition}} | |||
{{Spec | Bandwidth | 100 MHz (20 MHz selectable limit) }} | |||
{{Spec | Sample rate | 2 channels @ 100 MS/s each (two digitizers) }} | |||
{{Spec | Resolution | 8 bit }} | |||
{{Spec | Record length | 500 to 5000 samples per channel }} | |||
{{Spec | Modes | sample, envelope, average (16 samples), high-resolution, and peak-detect }} | |||
{{SpecGroup | Inputs}} | |||
{{Spec | Deflection | 2 mV/div - 99.5 mV/div (±1 V offset), 100 mV/div - 995 mV/div (±10 V offset), 1 V/div - 10 V/div (±100 V offset) }} | |||
{{Spec | Max. input | ±400 V (DC + peak AC) up to 100 kHz, derate −20 dB/decade up to 3 MHz, 13 V<sub>p-p</sub> above 3 MHz }} | |||
{{Spec | Input impedance | 1 MΩ }} | |||
{{SpecGroup | Trigger}} | |||
{{Spec | Trigger modes | edge, error, external and video (NTSC, SECAM, PAL, Sync negative or positive) }} | |||
{{Spec | Trigger Source | CH1, CH2, External }} | |||
{{Spec | Trigger coupling | AC, noise reject, high frequency reject, low frequency reject }} | |||
{{Spec | Trigger levels | ±12 divisions (CH1, CH2) or up to ±15 V (External) }} | |||
{{Spec | Trigger holdoff | 500 ns to 10 s }} | |||
{{SpecGroup | Misc }} | |||
{{Spec | Interfaces | | |||
* [[Ultra SCSI II]] (50-pin high density [[SCSI connector]]) for host connection | |||
* [[RS-232 interface]] (DE-9) | |||
* [[Parallel printer interface]] (DB-25) | |||
}} | |||
{{Spec | Calibrator output | 5 V @ 1 kHz (1 MΩ load) }} | |||
{{Spec | Power | 12−24 V<sub>DC</sub>, 30 W max }} | |||
{{EndSpecs}} | |||
== Links == | == Links == | ||
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Tek twd120 2.jpg | Tek twd120 2.jpg | ||
Tek twd120 3.jpg | Tek twd120 3.jpg | ||
Tek twd120 4.jpg | |||
Tek twd120 5.jpg | |||
Tek twd120 6.jpg | |||
Tek twd120 7.jpg | |||
Tek twd120 8.jpg | |||
twd120 9.jpg | |||
</gallery> | </gallery> | ||
[[Category:Digital storage scopes]] | [[Category:Digital storage scopes]] | ||