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|caption=Tektronix 568 front, with [[3S6]] and [[3T6]] plugins | |caption=Tektronix 568 front, with [[3S6]] and [[3T6]] plugins | ||
|introduced=1967 | |introduced=1967 | ||
|discontinued=1987 | |discontinued=1987 | ||
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|manuals= | |manuals= | ||
* [[Media:070-0596-00.pdf|Tektronix 568 Manual]] (PDF) | * [[Media:070-0596-00.pdf|Tektronix 568 Manual]] (PDF) | ||
Revision as of 03:16, 15 August 2022
The Tektronix 568 is a sampling oscilloscope, introduced in 1967, which takes 3S- and 3T-series plug-ins. Although it was intended to be used for sampling, it can also be used with non-sampling plug-ins of the 3A and 3B series.
Like the 561 and 564, the 568 does not contain vertical or horizontal amplifiers. The plug-ins directly drive the deflection plates. The 568 has multi-pin connectors on its rear panel that are routed to multi-pin connectors on the plug-ins. This is to support external control and measurement using, for example, a 230 and 241. The typical cable for connecting the 568 to the 230 is the 012-0119-01.
Two sampling heads can be interfaced directly to the 568 using the 012-0130-00 cable, or multiple sampling heads can be interfaced using an multiplexer such as the 286, 287, or R288.
CRT was the T5032-2-1 (154-0454-00) or T5611-2-1 (154-0613-01).
The 568 was distributed as a self-contained instrument and also as a component of integrated test and measurement systems such as the S-3100. As a part of the test and measurement systems, the 568 was sold at least until 1986.
A modification, 708P, was available for the 568 to give it a head multiplexer instead of a CRT. Head multiplexer is similar with 286
Key Specifications
| Bandwidth | sampling, DC to 14,5 GHz (with 3S2 and S-4 head, may vary with other plug-ins); realtime, DC to 15 MHz (with 3A5, may vary with other plug-ins) |
|---|---|
| Rise time | sampling, 25 ps; realtime, 24 ns |
| Acceleration voltage | 3.5 kV |
| Screen Area | 8 cm × 10 cm |
| Calibrator | 0.5 V , 5 V (p-p) into 1 MΩ, 50mV, 0.5 V (p-p) into 50 Ω, selectable 1 kHz( -50 % / +100%)and 100 kHz (0.05 %), ( Serial B150629 below 20 kHz instead 100 kHz) |
| Screen Area | 8 cm × 10 cm |
| Power | 100/115/124/200/230/248 VAC ±10%, selected via primary voltage selector and voltage range selector switches, 48 Hz to 66 Hz; max 210 W with plug-ins |
| Thermal Protection | Automatic resetting thermal cutout, in case internal temperature exceeds safe operating level |
| Construction | Aluminum alloy chassis. Anodized front panel |
Links
Pictures
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568 front
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230 and 568 measuring risetime
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568 rear
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568 top inside
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568 bottom inside
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568 Mod 708P front
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568 Mod 708P head multiplexer circuitry
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568 Mod 708P rear
