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The Tektronix Type S is a plug-in for measuring semiconductor diode recovery characteristics.
{{Plugin Sidebar
It fits in 500-series scopes such as the 545. It can be thought of as having two parts: a
|manufacturer=Tektronix  
stimulus subsystem and a measurement subsystem.  The stimulus comes from mercury switch that
|series=500-series scopes
drives a 6GM8/ECC86 tube that operates in a current-steering mode.  The measurement subsystem
|type=Type S
is a wideband amplifier that converts the single-ended voltage on the diode under test to the
|summary=Diode recovery tester plug-in
differential signal that the oscilloscope mainframe takes.  One terminal of the diode is grounded.
|image=Tek_Type_S_Front–Tight.jpg
|caption=Type S front view
|introduced=1960
|discontinued=1967
|designers=
|manuals=
* [[Media:070-223.pdf|Tektronix Type S Instruction Manual]] (OCR)
* [[Media:tek_type_s_fcp.pdf|Tektronix Type S factory calibration procedure]] (OCR)
}}
The '''Tektronix Type S''' is a [[500-series scopes|500-series]] plug-in for measuring semiconductor diode recovery characteristics.


Measurements with the Type S are typically made by applying a current step to the diode while
It can be thought of as having two parts, a stimulus subsystem and a measurement subsystem.
observing the voltage across the diode.
The stimulus comes from [[mercury switch]] that drives a [[ECC86|6GM8/ECC86]] tube that operates in a current-steering mode.
The measurement subsystem is a wideband amplifier that converts the single-ended voltage on the diode under test to the differential signal that the oscilloscope mainframe takes.
One terminal of the diode is grounded.


[http://w140.com/kurt/tek_type_s_schematics.pdf Type S schematics]
Measurements with the Type S are typically made by applying a current step to the diode while observing the voltage across the diode.
 
The Type S was [[introduced in 1960]] and produced through 1966.
 
{{BeginSpecs}}
{{Spec|Current ranges      | Forward – 1, 2, 5, 10, and 20 mA; Reverse – 0, 0.1, 0.2, 0.5, 1.0, and 2.0 mA }}
{{Spec|Vertical Deflection | 50 or 500 mV/div }}
{{Spec|Shunt Capacitance  | ~16 pF at 50 mV/div, ~9 pF at 500 mV/div }}
{{Spec|Rise time          | 1 ns }}
{{EndSpecs}}
 
==Pictures==
<gallery>
Tek_Type_S_Front.jpg
Tek_Type_S_Right.jpg
Tek_Type_S_Left.jpg
Tek_Type_S_Top.jpg
Tek_Type_S_Bottom.jpg
Tek s schem b.png
Tek_type_s.jpg|Front
S_2.JPG|Chassis
S_3.JPG|Chassis bottom
S_4.JPG|Mercury switch
Tek type s front2.jpeg
</gallery>
 
==Components==
{{Parts|S}}
 
[[Category:500 series plugins]]
[[Category:Diode testers]]

Latest revision as of 08:23, 6 December 2023

Tektronix Type S
Diode recovery tester plug-in
Type S front view

Compatible with 500-series scopes

Produced from 1960 to 1967

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

The Tektronix Type S is a 500-series plug-in for measuring semiconductor diode recovery characteristics.

It can be thought of as having two parts, a stimulus subsystem and a measurement subsystem. The stimulus comes from mercury switch that drives a 6GM8/ECC86 tube that operates in a current-steering mode. The measurement subsystem is a wideband amplifier that converts the single-ended voltage on the diode under test to the differential signal that the oscilloscope mainframe takes. One terminal of the diode is grounded.

Measurements with the Type S are typically made by applying a current step to the diode while observing the voltage across the diode.

The Type S was introduced in 1960 and produced through 1966.

Key Specifications

Current ranges Forward – 1, 2, 5, 10, and 20 mA; Reverse – 0, 0.1, 0.2, 0.5, 1.0, and 2.0 mA
Vertical Deflection 50 or 500 mV/div
Shunt Capacitance ~16 pF at 50 mV/div, ~9 pF at 500 mV/div
Rise time 1 ns

Pictures

  • Front

    Front

  • Chassis

    Chassis

  • Chassis bottom

    Chassis bottom

  • Mercury switch

    Mercury switch

Components

Some Parts Used in the S

Part Part Number(s) Class Description Used in
12AT7 154-0039-00 Vacuum Tube (Dual Triode) dual high-gain triode 161 • 180 • 310 • 310A • 315 • 316 • 360 • 502 • 502A • 511A • 512 • 513 • 513D • 514 • 514AD • 514D • 516 • 524 • 529 • RM529 • 544 • 546 • 547 • 556 • 565 • 570 • 3A2 • 75 • 3A75 • 1M1 • A • B • C • G • H • K • L • ML • M • N • K • R • S • Z
12AU6 154-0040-00 Vacuum Tube (Pentode) RF pentode 81 • 112 • 1L10 • 1L20 • 1L60 • 3L10 • 512 • 556 • 575 • 545 • 547 • 549 • 581 • 585 • A • B • C • G • K • H • L • ML • M • N • O • R • S • Z
6AK5 154-0014-00 • 154-0206-00 • 154-0084-00 Vacuum Tube (Pentode) RF pentode B • C • CA • G • K • L • ML • S • Z • 517 • 517A • 524
6GM8 154-259 • 154-0259-00 Vacuum Tube (Dual Triode) dual triode 81 • 516 • S
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