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The Tektronix Type S-311 Programmable Dual-Trace Sampling Plug-In Unit | The '''Tektronix Type S-311''' Programmable Dual-Trace Sampling Plug-In Unit | ||
is a [[560-series plug-ins|560-series plug-in]] designed for use | is a [[560-series plug-ins|560-series plug-in]] designed for use in a [[567]] | ||
as part of a Tektronix [[S-2000]] and [[S-3000]] series automated test systems. | |||
In contrast to the [[3S6]] which uses external sampling heads, | In contrast to the [[3S6]] which uses external sampling heads, | ||
the S-311 contains two samplers internally, like the [[3S76]] or [[3S1]]. | the S-311 contains two samplers internally, like the [[3S76]] or [[3S1]]. | ||
However, unlike the 3S76 and 3S1, the S-311 gets its signal inputs via | However, unlike the 3S76 and 3S1, the S-311 gets its signal inputs via | ||
BNC | [[BNC connector]]s on the rear panel. | ||
The input impedance of each input is | The input impedance of each input is 50 Ω. | ||
When the S-311 is inserted into the mainframe, its BNC input connectors must be manually connected, | |||
as they are not designed to pair with a corresponding connector in the plug-in bay bulkhead. | |||
The [[567]] mainframe has holes in the plug-in bay bulkhead at the location | |||
The S-311 can | of the signal input connectors and programming connector of the S-311. | ||
e. | The remote programmability of the S-311 typically involves a [[262|Type 262 programmer]]. | ||
Remote programming can control the mV/div, voltage offset, and mode, | |||
i.e., channel A, channel B, or dual-trace. | |||
The Type 262 controls the DC currents in the coils of six reed relays in the S-311. | |||
The S-311 can be | The S-311 can be thought of as a [[3S76]] with remote programmability, | ||
connectors on the rear, no delay, and no trigger pickoff. | connectors on the rear, no delay, and no trigger pickoff. | ||
Component numbers are the same in the two models. | |||
The S-311 and 3S76 both have 0.4 nanosecond risetimes. | The S-311 and 3S76 both have 0.4 nanosecond risetimes. | ||
The sampler in the S-311 uses four Tek-made GaAs diodes. | |||
The S-311 does not contain a signal delay. | The S-311 does not contain a signal delay. | ||
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are connected by short coaxial cables to the sampling bridge. | are connected by short coaxial cables to the sampling bridge. | ||
==Manuals == | |||
* [[Media:070-0468-01.pdf|Tektronix S-311 Manual (PDF)]] | * [[Media:070-0468-01.pdf|Tektronix S-311 Manual (PDF)]] | ||
==Pictures == | |||
<gallery> | <gallery> | ||
Tek s-311 photo.png|Front view. Low photo quality makes it | Tek s-311 photo.png|Front view. Low photo quality makes it hard to discern the perimeter of the faceplate. It is standard 560-series size. | ||
Tek s-311 right.jpg|Right view. | Tek s-311 right.jpg|Right view. | ||
Tek s-311 left.jpg|Left view. | Tek s-311 left.jpg|Left view. | ||
Tek s-311 relays.jpg|Reed relays. | |||
Tek s-311 rear.jpg|Rear view. | Tek s-311 rear.jpg|Rear view. | ||
Tek_567_plug-in_connectors.jpg|Rear view from underneath of [[567]] plug-in bay bulkhead. Holes allow for S-311 signal input and programming signal connections. | |||
Tek s-311 no knobs.jpg|S-311 with knobs removed | |||
</gallery> | </gallery> | ||
[[Category:560 series plugins]] | [[Category:560 series plugins]] | ||
[[Category:Sampling plugins]] | [[Category:Sampling plugins]] |