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The Tektronix Type S-311 Programmable Dual-Trace Sampling Plug-In Unit
{{Plugin Sidebar
is a [[560-series plug-ins|560-series plug-in]] designed for use
|manufacturer=Tektronix
with the Tektronix [[S2000]] and [[S3000]]­ Series Systems.
|series=560-series scopes
In contrast to the [[3S6]] which uses external sampling heads,
|type=S-311
the S-311 contains two samplers internally, like the [[3S76]] or [[3S1]].
|summary=Programmable dual-trace sampling plug-in
However, unlike the 3S76 and 3S1, the S-311 gets its signal inputs via
|image=Tek s-311 photo.png
BNC connectors on the rear panel.
|caption=S-311 Front View
The input impedance of each input is 50 ohms.
|introduced=1965
The the S-311 is inserted into the mainframe,
|discontinued=(?)
the BNC input connectors of the S-311 must be manually connected.
|designers=
The input connectors are not designed to pair with a corresponding
|manuals=
connector in the plug-in bay bulkhead.
* [[Media:070-0468-01.pdf|Tektronix S-311 Manual]]
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 '''Tektronix S-311''' is a [[560-series plug-ins|560-series plug-in]] designed for use in a [[567]] as part of a Tektronix [[S-2000]] or [[S-3000]]­ series automated test systems.


The S-311 can be though of as an [[3S76]] with remote programmability,
In contrast to the [[3S6]], which uses external sampling heads, the S-311 contains two samplers internally, like the [[3S76]] and the [[3S1]].
connectors on the rear, no delay, and no trigger pickoff.
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.
 
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 [[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 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 S-311 and 3S76 both have 0.4 nanosecond risetimes.
The [[sampler]] in the S-311 uses four Tektronix-made GaAs diodes.


The S-311 does not contain a signal delay.
The S-311 does not contain a signal delay.
The BNC signal input connectors on the rear panel of the S-311
The BNC signal input connectors on the rear panel of the S-311 are connected by short coaxial cables to the sampling bridge.
are connected by short coaxial cables to the sampling bridge.
 
* [[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 impossible to discern the perimeter of the faceplate. It is standard 560-series size.
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 rear.jpg|Rear view.
Tek s-311 relays.jpg | Reed Relays
Tek s-311 rear.jpg  | Rear View
Tek_567_plug-in_connectors.jpg | Rear view from underneath the [[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>
{{BetterPics}}
==Components==
{{Parts|S-311}}


[[Category:560 series plugins]]
[[Category:560 series plugins]]
[[Category:Sampling plugins]]
[[Category:Sampling plugins]]

Latest revision as of 04:39, 29 November 2023

Tektronix S-311
Programmable dual-trace sampling plug-in
S-311 Front View

Compatible with 560-series scopes

Produced from 1965 to (?)

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix S-311 is a 560-series plug-in designed for use in a 567 as part of a Tektronix S-2000 or 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 and the 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 Tektronix-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

  • Front View: Low photo quality makes it hard to discern the perimeter of the faceplate. It is standard 560-series size.

    Front View: Low photo quality makes it hard to discern the perimeter of the faceplate. It is standard 560-series size.

  • Right View

    Right View

  • Left View

    Left View

  • Reed Relays

    Reed Relays

  • Rear View

    Rear View

  • Rear view from underneath the 567 plug-in bay bulkhead. Holes allow for S-311 signal input and programming signal connections.

    Rear view from underneath the 567 plug-in bay bulkhead. Holes allow for S-311 signal input and programming signal connections.

  • S-311 with knobs removed

    S-311 with knobs removed

Better pictures needed - please contribute

Components

Some Parts Used in the S-311

Part Part Number(s) Class Description Used in
6CW4 154-0323-00 Vacuum Tube (Triode) Nuvistor triode 1A7 • 3A8 • 3B2 • 3S76 • 6R1 • 565 • S-311
6DJ8 154-0187-00 • 154-0305-00 Vacuum Tube (Dual Triode) dual triode 067-506 • 111 • 132 • 161 • 310A • 316 • 317 • 502 • 502A • 503 • 504 • 506 • 515 • 516 • 519 • 526 • 529 • RM529 • 533 • 535 • 536 • 543 • 544 • 545 • 545A • 545B • 546 • 547 • 549 • 555 • 556 • 561A • 561S • 564 • 565 • 567 • 581 • 581A • 585 • 585A • 661 • 1A4 • 1S1 • 60 • 2A60 • 63 • 2A63 • 67 • 2B67 • 3A1 • 3A1S • 3A2 • 3A3 • 3A6 • 3A7 • 72 • 3A72 • 75 • 3A75 • 4S2 • 51 • 3B1 • 3B1S • 3B2 • 3B3 • 3B4 • 3M1 • 3S76 • 3T77 • 3T77A • 9A1 • 9A2 • 1121 • 80 • 81 • 82 • 86 • B • O • W • Z • Telequipment D56 • Telequipment S32A • Telequipment D52 • S-311 • Telequipment TD51 • Telequipment S52 • Telequipment S51 • Telequipment Type A • TU-4
7308 154-0371-00 Vacuum Tube (Dual Triode) dual triode 3S76 • 3S3 • 4S1 • 4S2A • 4S3 • S-311
7586 154-0306-00 Vacuum Tube (Triode) Nuvistor triode M • 1A1 • 1A2 • 1A5 • 10A2 • 10A2A • 11B1 • 11B2A • 321 • 321A • 3A1 • 3A1S • 3A3 • 3A5 • 3A6 • 3A7 • 3A8 • 3A74 • 3S76 • 3T77 • 3T77A • 3B5 • 4S1 • 4S2 • 6R1 • 6R1A • 9A1 • 9A2 • 82 • 86 • S-311
ZZ1000 154-370 • 154-0370-00 Gas Discharge Tube (Voltage regulator) 81 V voltage reference 129 • 3B1 • 3B1S • 3B2 • 3B3 • 3S76 • 422 • S-311
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