560-series scopes: Difference between revisions

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==560 series scopes==
==560 series scopes==
<gallery>
<gallery>
Image:Tek 560 1.jpeg    | [[560|560 - Basic mainframe]]
File:Tek 560 1.jpeg    | '''[[560|560 - Basic mainframe]]''' (1961)
Image:Tek 561s.jpg      | [[561|561]]
File:Tek 561s.jpg      | '''[[561]]''' (1961)
Image:Tek 564b 1.JPG    | [[564|564 - Storage scope]]
File:Image needed.jpg  | '''[[561A]]''' (1962)
Image:Image needed.jpg  | [[565|565 - dual-beam scope, two plug-ins; built-in trigger, sweep, and horizontal amplifier]]
File:Tek 564b 1.JPG    | '''[[564|564 - Storage scope]]''' (1962)
Image:567 front.jpg      | [[567|567 - Sampling scope with digital readout]]
File:Image needed.jpg  | '''[[565|565 - dual-beam scope]]''', two plug-ins; built-in trigger, sweep, and horizontal amplifier]] (1963)
Image:Image needed.jpg  | [[568|568 - Sampling scope]]
File:567 front.jpg      | '''[[567|567 - Sampling scope with digital readout]]''' (1962)
File:Image needed.jpg  | '''[[568|568 - Sampling scope]]''' (1967)
</gallery>
</gallery>


==560 series plugins==
==560 series plugins==
<gallery>
<gallery>
Image:Tek 3a1s.jpg        | [[3A1S]] - 25 MHz vertical amplifier
File:Tek 3a1s.jpg        | '''[[3A1S]]''' - 25 MHz vertical amplifier (1961)
Image:Tek 3a7 1.JPG      | [[3A7]] - differential amplifier
File:Tek 3a7 1.JPG      | '''[[3A7]]''' - differential amplifier  
Image:Tek-3a74-front.jpg  | [[3A74]] - four-channel vertical plug-in
File:Tek-3a74-front.jpg  | '''[[3A74]]''' - four-channel vertical plug-in (1963)
Image:3a9 front.jpg      | [[3A9]] - 1 MHz differential amplifier
File:3a9 front.jpg      | '''[[3A9]]''' - 1 MHz differential amplifier (1969)
Image:Tek 3b1s.jpg        | [[3B1S]] - timebase plug-in
File:Tek 3b1s.jpg        | '''[[3B1S]]''' - timebase plug-in (1961)
Image:Tek 3l5 front.jpg  | [[3L5]] - 1 MHz spectrum analyzer
File:Tek 3l5 front.jpg  | '''[[3L5]]''' - 1 MHz spectrum analyzer
Image:3s1 front.jpg      | [[3S1]] - dual-trace sampling plug-in  
File:3s1 front.jpg      | '''[[3S1]]''' - dual-trace sampling plug-in  
Image:3s3 front.jpg      | [[3S3]] - sampling plug-in  
File:3s3 front.jpg      | '''[[3S3]]''' - sampling plug-in  
Image:3s7 front.JPG      | [[3S7]] - sampling plug-in  
File:3s7 front.JPG      | '''[[3S7]]''' - sampling plug-in (1971)
Image:Tek 3s76 front.jpg  | [[3S76]] - dual-trace sampling plug-in  
File:Tek 3s76 front.jpg  | '''[[3S76]]''' - dual-trace sampling plug-in  
Image:3t7 front.JPG      | [[3T7]] - sampling timebase and pulser
File:3t7 front.JPG      | '''[[3T7]]''' - sampling timebase and pulser (1971)
File:6r1 front.jpg      | '''[[6R1]]''' - digital readout for [[567]] (1962)
File:6r1a front.JPG      | '''[[6R1A]]''' - digital readout for [[567]]
</gallery>
</gallery>


Revision as of 06:48, 18 August 2014

The 560 series scopes which were introduced with the 560 and 561 in 1961 were tube scopes that began to introduce some solid state circuitry.

They use 2-series or 3-series vertical plug-ins and 2-series or 3-series horizontal plug-ins (exception: 560 only takes 2-series because of weak power supply).

560-series mainframes contain no amplifier stages, requiring the plug-ins to drive the CRT deflection plates directly. While promoted by Tek as having the advantage of “not limited by additional circuitry between the plug-in and the deflection plates”, this configuration has a significant disadvantage in that when swapping plug-ins, gain or sweep have to be calibrated.

In scopes with amplifiers in the mainframe, touching up the gain or sweep cal when swapping plug-ins can be skipped, as doing so only tunes the accuracy to a small amount of additional precision. In the 560 series however, this step is required to even get crude accuracy, as the raw deflection factor of the CRT has a relatively large range, and the mainframe has no circuitry to normalize it.

To maintain good phase match over a wide range of frequency, the mainframe does not contain a delay line in the vertical path. The faster vertical plug-ins contain the delay line, which limits the available volume for amplifier circuitry.

560 series scopes

560 series plugins

  • 3A1S - 25 MHz vertical amplifier (1961)

    3A1S - 25 MHz vertical amplifier (1961)

  • 3A7 - differential amplifier

    3A7 - differential amplifier

  • 3A74 - four-channel vertical plug-in (1963)

    3A74 - four-channel vertical plug-in (1963)

  • 3A9 - 1 MHz differential amplifier (1969)

    3A9 - 1 MHz differential amplifier (1969)

  • 3B1S - timebase plug-in (1961)

    3B1S - timebase plug-in (1961)

  • 3L5 - 1 MHz spectrum analyzer

    3L5 - 1 MHz spectrum analyzer

  • 3S1 - dual-trace sampling plug-in

    3S1 - dual-trace sampling plug-in

  • 3S3 - sampling plug-in

    3S3 - sampling plug-in

  • 3S7 - sampling plug-in (1971)

    3S7 - sampling plug-in (1971)

  • 3S76 - dual-trace sampling plug-in

    3S76 - dual-trace sampling plug-in

  • 3T7 - sampling timebase and pulser (1971)

    3T7 - sampling timebase and pulser (1971)

  • 6R1 - digital readout for 567 (1962)

    6R1 - digital readout for 567 (1962)

  • 6R1A - digital readout for 567

    6R1A - digital readout for 567

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