SD-20: Difference between revisions
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{{Plugin Sidebar | |||
|manufacturer=Tektronix | |||
|series=11800-series scopes | |||
|type=SD-20 | |||
|summary=10 GHz Loop-through Sampling Head | |||
|image=Tek sd-20.jpg | |||
|caption=Tektronix SD-20 Sampling Head | |||
|introduced=1989 | |||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [[Media:070-7531-02.pdf|Tektronix SD-20 User Manual]] | |||
* [https://w140.com/72nd_ARFTG_Conference_CD.pdf 2008 Harper, Ridler, and Salter Paper Discussing TDR with SD-20] | |||
}} | |||
The '''Tektronix SD-20 Loopthrough Sampling Head''' is a single-channel, 20 GHz loop-through sampling head designed for low-loss testing in applications such as microwave systems research and development, digital device characterization and high-speed digital communications circuit design. | |||
Like the older [[S-6]], the SD-20 is non-terminated and routes the signal of interest directly through the sampling head without the need of a power divider, thus keeping losses to a minimum. The SD-20 can also be used for customized TDR measurements of transmission lines and controlled impedance devices. An external signal generator may be used, instead of the [[SD-24]] step generator, to tailor the TDR stimulus to fit a particular situation. For instance, slower slew rates or higher amplitude may be utilized, or one may perform half-sine or impulse testing. In digital communications, the SD-20 is useful for viewing and triggering on the clock signal without the use of a power divider. | |||
{{BeginSpecs}} | |||
{{Spec | Rise time | 17.5 ps }} | |||
< | {{Spec | Bandwidth | 20 GHz typ. }} | ||
< | {{Spec | Noise | typically 750 µV<sub>RMS</sub>, 1.2 mV<sub>RMS</sub> max. (350 µV typ./550 µV max. with smoothing) }} | ||
{{Spec | Max. input | 1.0 V<sub>p-p</sub> signal, 1.6 V<sub>p-p</sub> (AC+Offset) operating, ±3 V non-destructive }} | |||
</ | {{Spec | Sampling rate | 100 Hz - 200 kHz }} | ||
{{Spec | Signal connections | 50 Ω [[3.5 mm connector]]s }} | |||
{{EndSpecs}} | |||
==Pictures== | |||
<gallery> | <gallery> | ||
Tek sd-20.jpg | |||
Tek sd-20 1.jpg | |||
Tek sd-20 2.jpg | |||
Tek sd-20 3.jpg | |||
</gallery> | </gallery> | ||
[[Category:11800 series sampling plugins]] | [[Category:11800 series sampling plugins]] | ||
Latest revision as of 03:01, 24 October 2023
The Tektronix SD-20 Loopthrough Sampling Head is a single-channel, 20 GHz loop-through sampling head designed for low-loss testing in applications such as microwave systems research and development, digital device characterization and high-speed digital communications circuit design.
Like the older S-6, the SD-20 is non-terminated and routes the signal of interest directly through the sampling head without the need of a power divider, thus keeping losses to a minimum. The SD-20 can also be used for customized TDR measurements of transmission lines and controlled impedance devices. An external signal generator may be used, instead of the SD-24 step generator, to tailor the TDR stimulus to fit a particular situation. For instance, slower slew rates or higher amplitude may be utilized, or one may perform half-sine or impulse testing. In digital communications, the SD-20 is useful for viewing and triggering on the clock signal without the use of a power divider.
Key Specifications
| Rise time | 17.5 ps |
|---|---|
| Bandwidth | 20 GHz typ. |
| Noise | typically 750 µVRMS, 1.2 mVRMS max. (350 µV typ./550 µV max. with smoothing) |
| Max. input | 1.0 Vp-p signal, 1.6 Vp-p (AC+Offset) operating, ±3 V non-destructive |
| Sampling rate | 100 Hz - 200 kHz |
| Signal connections | 50 Ω 3.5 mm connectors |
