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{{Instrument Sidebar | |||
|class=Test Automation | |||
|manufacturer=Tektronix | |||
|series=568 | |||
|model=230 | |||
|summary=Digital Unit | |||
|image=230 operating.jpg | |||
|caption=Tektronix 230 front | |||
|introduced=1967 | |||
|discontinued= 1979(?) | |||
|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_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)] | |||
* [[Media:Tek r230 fcp sep 1967.pdf|Tektronix R230 Factory Calibration Procedure, September 1967 (PDF, needs OCR)]] | |||
* [[Media:Tek 230-r240 fcp march 1969.pdf|Tektronix R230 Factory Calibration Procedure, March 1969 (PDF, needs OCR)]] | |||
}} | |||
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]]. 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|241 programmer]]. | |||
{{MissingSpecs}} | |||
==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]. | |||
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== | |||
* [[012-0131-00|012-0131-00 Interconnecting Cable]] | |||
==Links== | |||
* [http://www.barrytech.com/tektronix/vintage/tek230.html Tektronix 230 @ barrytech.com] | |||
==Pictures== | |||
<gallery> | <gallery> | ||
230 front.jpg | 230's Front | |||
230 insides.jpg | 230's insides | |||
230 zone generator card.jpg | Zone generator PCB | |||
230 comparator card.jpg | comparator PCB | |||
230 memory card.jpg | memory PCB | |||
230 clock board.jpg | clock PCB | |||
Tek 230 synchronizer board.jpg|synchronizer PCB | |||
230 backplane.jpg | backplane | |||
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 | |||
</gallery> | </gallery> | ||
[[Category:Accessories]] |