230: Difference between revisions

57 bytes removed ,  14 August 2021
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{{Plugin Sidebar 2 |
{{Instrument Sidebar  
title=Tektronix 230 |
|manufacturer=Tektronix
summary=Digital Unit |
|series=568
image=230 operating.jpg |
|model=230  
caption=Tektronix 230 front |
|summary=Digital Unit  
introduced=1967 |
|image=230 operating.jpg  
discontinued= 1979(?) |
|caption=Tektronix 230 front  
series=[[568|568 sampling scope]] |
|introduced=1967  
manuals=
|discontinued= 1979(?)  
* [http://bama.edebris.com/download/tek/230/tek%20230.v6.pdf Tektronix 230 Manual (earlier version, PDF)]
|designers=
|manuals=
* [[Media:070-0635-00.pdf|Tektronix 230 Manual]] (earlier version, PDF)
* [http://w140.com/tek_230_late.pdf Tektronix 230 Manual (later version, PDF)]
* [http://w140.com/tek_230_late.pdf Tektronix 230 Manual (later version, PDF)]
* [http://w140.com/tek_readout_oscilloscopes_1968_catalog.pdf "Digital Readout Introduction" in 1968 Catalog (PDF)]
* [http://w140.com/tek_readout_oscilloscopes_1968_catalog.pdf "Digital Readout Introduction" in 1968 Catalog (PDF)]
* [http://w140.com/tek_readout_oscilloscopes_1968_catalog.pdf "Digital Readout Introduction" in 1968 Catalog (PDF)]
* [http://w140.com/tek_readout_oscilloscopes_1968_catalog.pdf "Digital Readout Introduction" in 1968 Catalog (PDF)]
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The '''Tektronix 230''' is a digital readout [[introduced in 1967]] for the [[568]] [[sampling oscilloscope]].   
The '''Tektronix 230''' is a digital readout [[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]].   
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.
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.
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
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]].
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,
The 230 is programmable, which means that its circuitry can be controlled remotely, using multipin connectors located on the rear panel.   
using multipin connectors located on the rear panel.  The rear panel contains  
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.   
six connectors, four for remote control, one for connection to the 568 oscilloscope,
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.
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 minimal system configuration with a 230 is just the 230 connected to the 568.
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This connection is required since it brings the sampled signal from the 568 to the 230.
This connection is required since it brings the sampled signal from the 568 to the 230.
The 230 does not control the 568.
The 230 does not control the 568.
The 568 sends signals and the 230 displays them on the [[Nixie tube]] readout
The 568 sends signals and the 230 displays them on the [[Nixie tube]] readout and generates control signals on its rear panel connectors.
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.
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,
This signal intensifies the trace in the various zones, which are configured on the 230 or remotely using a [[241|241 programmer]].
which are configured on the 230 or remotely using a [[241|241 programmer]].


{{MissingSpecs}}
{{MissingSpecs}}
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==Internals==
==Internals==
The 230 does not contain any tubes or [[tunnel diodes]].
The 230 does not contain any tubes or [[tunnel diodes]].
It makes some use of integrated circuits and extensive use of  
It makes some use of integrated circuits and extensive use of [http://en.wikipedia.org/wiki/Reed_relay reed relays].   
[http://en.wikipedia.org/wiki/Reed_relay 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,
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.   
−3.5 V, and −50 V.  It also provides a +255 V unregulated output.  The power supply transformer, electrolytic
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.
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.
Most of the circuitry of the 230 is on circuit cards that plug into a backplane bus.