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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary = 10 GHz | |series=11800-series scopes | ||
|type=SD-20 | |||
image=Tek sd-20.jpg | | |summary=10 GHz Loop-through Sampling Head | ||
caption=Tektronix SD-20 Sampling Head | | |image=Tek sd-20.jpg | ||
introduced = 1989 | | |caption=Tektronix SD-20 Sampling Head | ||
discontinued = (?) | | |introduced=1989 | ||
manuals= | |discontinued=(?) | ||
|designers= | |||
|manuals= | |||
* [http://w140.com/tek_sd-20_user_manual.pdf Tektronix SD-20 User Manual (PDF)] | * [http://w140.com/tek_sd-20_user_manual.pdf Tektronix SD-20 User Manual (PDF)] | ||
* [http://w140.com/72nd_ARFTG_Conference_CD.pdf Harper, Ridler, and Salter Paper Discussing TDR with SD-20 (PDF)] | * [http://w140.com/72nd_ARFTG_Conference_CD.pdf Harper, Ridler, and Salter Paper Discussing TDR with SD-20 (PDF)] | ||
}} | }} | ||
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. | 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}} | {{BeginSpecs}} | ||
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</gallery> | </gallery> | ||
[[Category:11800 series sampling plugins]] | [[Category:11800 series sampling plugins]] |