S-311: Difference between revisions
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* [[Media:070-0468-01.pdf|Tektronix S-311 Manual | * [[Media:070-0468-01.pdf|Tektronix S-311 Manual]] | ||
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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 in a [[567]] | 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 in a [[567]] as part of a Tektronix [[S-2000]] and [[S-3000]] series automated test systems. | ||
as part of a Tektronix [[S-2000]] and [[S-3000]] series automated test systems. | |||
In contrast to the [[3S6]] which uses external sampling heads, the S-311 contains two samplers internally, like the [[3S76]] or [[3S1]]. | In contrast to the [[3S6]], which uses external sampling heads, 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 [[BNC connector]]s on the rear panel. | However, unlike the 3S76 and 3S1, the S-311 gets its signal inputs via [[BNC connector]]s on the rear panel. | ||
The input impedance of each input is 50 Ω. | The input impedance of each input is 50 Ω. | ||
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Component numbers are the same in the two models. | 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 [[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. | ||
Revision as of 14:15, 3 March 2023
The Tektronix Type S-311 Programmable Dual-Trace Sampling Plug-In Unit is a 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, 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 BNC connectors on the rear panel. 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 of the signal input connectors and programming connector of the S-311.
The remote programmability of the S-311 typically involves a 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 thought of as a 3S76 with remote programmability, 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 sampler in the S-311 uses four Tek-made GaAs diodes.
The S-311 does not contain a signal delay. The BNC signal input connectors on the rear panel of the S-311 are connected by short coaxial cables to the sampling bridge.
Pictures
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Front view. Low photo quality makes it hard to discern the perimeter of the faceplate. It is standard 560-series size.
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Right view.
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Left view.
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Reed relays.
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Rear view.
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Rear view from underneath of 567 plug-in bay bulkhead. Holes allow for S-311 signal input and programming signal connections.
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S-311 with knobs removed
