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The Tektronix 230 is a digital readout [[introduced in 1967]] for the [[568]] [[sampling oscilloscope]]. 
{{Instrument Sidebar
The 568 and 230 replaced the [[567]] and its digital unit plug-ins,
|class=Test Automation
the [[6R1]] and [[6R1A]].  Unlike the 6R1 and 6R1A, the 230 is freestanding unit,
|manufacturer=Tektronix
not a plug-in.  Just like the
|series=568
6R1A was an evolutionary step forward from the 6R1, the circuitry in the 230 is an
|model=230
evolutionary step forward from the 6R1A.  The 230 does not contain any tubes or
|summary=Digital Unit
[[tunnel diodes]].  It makes some use of integrated circuits and extensive use of
|image=230 operating.jpg
[http://en.wikipedia.org/wiki/Reed_relay reed relays].   
|caption=Tektronix 230 front
|introduced=1967  
|discontinued= 1979(?)
|designers=
|manuals=
* [[Media:070-0635-00.pdf|Tektronix 230 Manual (earlier version, split schematics)]]
* [[Media:070-0635-00_with_corrections.pdf|Tektronix 230 Manual (later version with corrections, whole schematics)]]
* [[Media:Tek readout oscilloscopes 1968 catalog.pdf|"Digital Readout Introduction" in 1968 Catalog]]
* [[Media:Tek r230 fcp sep 1967.pdf|Tektronix R230 Factory Calibration Procedure, September 1967]]
* [[Media:Tek 230-r240 fcp march 1969.pdf|Tektronix R230 Factory Calibration Procedure, March 1969]]
}}
The '''Tektronix 230''' is a digital readout unit [[introduced in 1967]] for the [[568]] [[sampling oscilloscope]].   


The 230 is programmable, which means that its circuitry can be controlled remotely,
The 568 and 230 replaced the [[567]] and its digital unit plug-ins, the [[6R1]] and [[6R1A]].  Unlike the 6R1 and 6R1A, the 230 is freestanding unit, not a plug-in.
using multipin connectors located on the rear panel.  The rear panel contains  
Just like the 6R1A was an evolutionary step forward from the 6R1, the circuitry in the 230 is an evolutionary step forward from the 6R1A.
six connectors, four for remote control, one for connection to the 568 oscilloscope,
 
and one that provides a binary-coded decimal representation of the number that is
The 230 was distributed by itself (usually for use with a 568) and also as a component of larger integrated test and measurement systems such as the [[S-3100]].
displayed on the digital readout on the 230.  Like the 6R1 and 6R1A, the 230 allows
 
upper and lower limits to be set on voltage or time, and it has front-panel lamps
The 230 is programmable, which means that its circuitry can be controlled remotely, using multipin connectors located on the rear panel.   
and rear panel signals that show whether the current measurement is below the lower
The rear panel contains six connectors, four for remote control, one for connection to the 568 oscilloscope, and one that provides a binary-coded decimal representation of the number that is displayed on the digital readout on the 230.   
limit, within the limits, or above the upper limit.
Like the 6R1 and 6R1A, the 230 allows upper and lower limits to be set on voltage or time, and it has front-panel lamps and rear panel signals that show whether the current measurement is below the lower limit, within the limits, or above the upper limit.
   
   
The power supply in the Tektronix 230 is linear and provides regulated of +50V, +12V, +3.8V, +1.75V,
The minimal system configuration with a 230 is just the 230 connected to the 568.
-3.5V, and -50V. It also provides a +255V unregulated output.  The power supply transformer, electrolytic
The typical cable for connecting the [[568]] to the [[230]] is the [[012-0119-01]].
capacitors, and output transistors are part of the chassis, not a removable unit. The regulator circuits
Five out of six of the connectors on the rear panel of the 230 can be ignored for basic use.
are on a circuit card.
J101 on the rear of the 230 connects to the J101 on the rear of the 568.
This connection is required since it brings the sampled signal from the 568 to the 230.
The 230 does not control the 568.
The 568 sends signals and the 230 displays them on the [[Nixie tube]] readout and generates control signals on its rear panel connectors.
One exception to this is the CRT intensifier signal, which is sent by the 230 to the 568.
This signal intensifies the trace in the various zones, which are configured on the 230 or remotely using a [[241|241 programmer]].
 
{{MissingSpecs}}


The minimal system configuration with a 230 is just the 230 connected to the 568.  Five out of six
==Links==
of the connectors on the rear panel of the 230 can be ignored for basic use. J101 on the rear of the
* [http://www.barrytech.com/tektronix/vintage/tek230.html Tektronix 230 @ barrytech.com]
230 connects to the J101 on the rear of the 568. This connection is required since it brings the sampled
{{Documents|Link=230}}
signal from the 568 to the 230. The 230 does not control the 568. The 568 sends signals and the 230 displays them on
{{PatentLinks|230}}
the Nixie readout and generates control signals on its rear panel connectors.  One exception to
this is the CRT intensifier signal, which is sent by the 230 to the 568.  This signal intensifies
the trace in the various zones, which are configured on the 230 or remotely using a [[241]] programmer.


Most of the circuitry of the 230 is on circuit cards that plug into a backplane bus.   
==Internals==
The 230 does not contain any tubes or [[tunnel diodes]].
It makes some use of integrated circuits and extensive use of [http://en.wikipedia.org/wiki/Reed_relay reed relays].   


* [http://bama.edebris.com/download/tek/230/tek%20230.v6.pdf Tektronix 230 Manual (PDF)]
The power supply in the Tektronix 230 is linear and provides regulated of +50 V, +12 V, +3.8 V, +1.75 V, −3.5 V, and −50 V. It also provides a +255 V unregulated output.
* [http://exodus.poly.edu/~kurt/tek_230_late.pdf Tektronix 230 Manual (late version, PDF)]
The power supply transformer, electrolytic capacitors, and output transistors are part of the chassis, not a removable unit. The regulator circuits are on a circuit card.
* [http://w140.com/tek_230_1968_catalog.pdf Tektronix 230 in 1968 Catalog (PDF)]


Most of the circuitry of the 230 is on circuit cards that plug into a backplane bus.
==See Also==
* [[012-0131-00|012-0131-00 Interconnecting Cable]]
==Pictures==
<gallery>
<gallery>
‎‎Image:230 front.jpg
230 front.jpg         | 230's Front
Image:230 insides.jpg
230 insides.jpg       | 230's insides
Image:230 zone generator card.jpg
230 zone generator card.jpg | Zone generator PCB
Image:230 comparator card.jpg
230 comparator card.jpg | comparator PCB
Image:230 memory card.jpg
230 memory card.jpg   | memory  PCB
Image:230 clock board.jpg
230 clock board.jpg   | clock PCB
Image:230 backplane.jpg
Tek 230 synchronizer board.jpg|synchronizer PCB
Image:230 power supply.jpg
230 backplane.jpg     | backplane
Image:230 rear.jpg
230 power supply.jpg | power supply
230 rear.jpg         | 230's rear
230_568_0.JPG        | 230 and 568 measuring rise time
230_ext_1.JPG        | 230 extender in storage-state
230_ext_2.JPG        | 230 extender in stacked-state for using
Tek 230 568 s-1 voltage measurement.jpg | Voltage measurement with 230, 568, and S-1
Tek 230 568 s-1 risetime measurement.jpg | Risetime measurement with 230, 568, and S-1
</gallery>
</gallery>
==Components==
{{Parts|230}}
[[Category:Accessories]]

Revision as of 22:54, 7 October 2024

Tektronix 230
Digital Unit
Tektronix 230 front

Produced from 1967 to 1979(?)

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 230 is a digital readout unit introduced in 1967 for the 568 sampling oscilloscope.

The 568 and 230 replaced the 567 and its digital unit plug-ins, the 6R1 and 6R1A. Unlike the 6R1 and 6R1A, the 230 is freestanding unit, not a plug-in. Just like the 6R1A was an evolutionary step forward from the 6R1, the circuitry in the 230 is an evolutionary step forward from the 6R1A.

The 230 was distributed by itself (usually for use with a 568) and also as a component of larger integrated test and measurement systems such as the S-3100.

The 230 is programmable, which means that its circuitry can be controlled remotely, using multipin connectors located on the rear panel. The rear panel contains six connectors, four for remote control, one for connection to the 568 oscilloscope, and one that provides a binary-coded decimal representation of the number that is displayed on the digital readout on the 230. Like the 6R1 and 6R1A, the 230 allows upper and lower limits to be set on voltage or time, and it has front-panel lamps and rear panel signals that show whether the current measurement is below the lower limit, within the limits, or above the upper limit.

The minimal system configuration with a 230 is just the 230 connected to the 568. The typical cable for connecting the 568 to the 230 is the 012-0119-01. Five out of six of the connectors on the rear panel of the 230 can be ignored for basic use. J101 on the rear of the 230 connects to the J101 on the rear of the 568. This connection is required since it brings the sampled signal from the 568 to the 230. The 230 does not control the 568. The 568 sends signals and the 230 displays them on the Nixie tube readout and generates control signals on its rear panel connectors. One exception to this is the CRT intensifier signal, which is sent by the 230 to the 568. This signal intensifies the trace in the various zones, which are configured on the 230 or remotely using a 241 programmer.

Key Specifications

  • please add

Links

Documents Referencing 230

Document Class Title Authors Year Links
Service Scope 43 Apr 1967.pdf Article New From Tektronix, Inc. In 1967 1967 568 • 230 • 454 • 647A • C-40 • 1A4 • 1A5 • 3L5 • 200-1
Service Scope 53 Dec 1968.pdf Article Digital Systems Come Of Age John Bowne 1968 3T5 • 3T6 • 3S5 • 3S6 • S-1 • S-2 • S-3 • S-4 • 568 • 230
Service scope dec 1968 ocr.pdf Article Digital Systems Come of Age John Bowne 1968 3T5 • 3T6 • 3S5 • 3S6 • S-1 • S-2 • S-3 • S-4 • 568 • 230 • 240 • 241 • 250
Service Scope 52 Oct 1968.pdf Article The State of the Art in Sampling Al Zimmerman 1968 S-1 • S-2 • S-3 • S-4 • S-50 • S-51 • 285 • 3S1 • 3S2 • 3S5 • 3S6 • 3T2 • 3T5 • 3T6 • 3T77A • 568 • 230
Tekscope 1970 V2 N4 Aug 1970.pdf Article Automated Measurement Systems 1970 S-3150 • 568 • 230 • S-3110 • 241 • 240
Tekscope 1971 V3 N1 Jan 1971.pdf Article Short Pulse Technique of Adjusting Wideband Amplifiers Carl Battjes 1971 7A16 • 109 • 568 • 230

Patents that may apply to 230

Page Title Inventors Filing date Grant date Links
Patent US 3453403A Power selection device Eldon Hoffman 1966-08-18 1969-07-01 115 • 140 • 141 • 141A • 144 • 145 • 146 • 147 • 148 • 149 • 149A • 230 • 284 • 286 • 453 • 454 • 491 • 520A • 521A • 522 • 545B • 547 • 556 • 561B • 564B • 568 • 576 • 611 • 647A • 2101 • 2601 • 5030 • R5030 • 5031 • R5031 • 7503 • 7504 • 7704 • 7704A • 7904 • R7903

Internals

The 230 does not contain any tubes or tunnel diodes. It makes some use of integrated circuits and extensive use of reed relays.

The power supply in the Tektronix 230 is linear and provides regulated of +50 V, +12 V, +3.8 V, +1.75 V, −3.5 V, and −50 V. It also provides a +255 V unregulated output. The power supply transformer, electrolytic capacitors, and output transistors are part of the chassis, not a removable unit. The regulator circuits are on a circuit card.

Most of the circuitry of the 230 is on circuit cards that plug into a backplane bus.

See Also

Pictures

  • 230's Front

    230's Front

  • 230's insides

    230's insides

  • Zone generator PCB

    Zone generator PCB

  • comparator PCB

    comparator PCB

  • memory PCB

    memory PCB

  • clock PCB

    clock PCB

  • synchronizer PCB

    synchronizer PCB

  • backplane

    backplane

  • power supply

    power supply

  • 230's rear

    230's rear

  • 230 and 568 measuring rise time

    230 and 568 measuring rise time

  • 230 extender in storage-state

    230 extender in storage-state

  • 230 extender in stacked-state for using

    230 extender in stacked-state for using

  • Voltage measurement with 230, 568, and S-1

    Voltage measurement with 230, 568, and S-1

  • Risetime measurement with 230, 568, and S-1

    Risetime measurement with 230, 568, and S-1

Components

Some Parts Used in the 230

Part Part Number(s) Class Description Used in
Fairchild 9960 156-0001-00 Monolithic integrated circuit nixie decoder/driver X381 • 230
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