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{{ | {{Instrument Sidebar | ||
|class=Curve Tracer | |||
image=Tektronix-570-Outside-Front.jpg | | |manufacturer=Tektronix | ||
caption=Tektronix 570 front | | |model=570 | ||
introduced=1955 | | |summary=Curve tracer for tubes | ||
discontinued=(?) | | |image=Tektronix-570-Outside-Front.jpg | ||
|caption=Tektronix 570 front | |||
manuals= | |introduced=1955 | ||
* [ | |discontinued=(?) | ||
* [ | |designers=John Kobbe | ||
* [ | |manuals= | ||
* [ | * [[Media:070-167.pdf|Tektronix 570 Manual 070-167]] (PDF, OCR, good quality) | ||
* [[Media:Tek 570 fcp feb 1964.pdf]] | * [[Media:070-359.pdf|Tektronix 570 Manual 070-359 (1963)]] (PDF, good quality) | ||
* [https://w140.com/mmm/tek-570.pdf Tektronix 570 Manual (mediocre quality, PDF)] | |||
* [https://w140.com/tek_fcp/tek_570_fac_cal.pdf Tektronix 570 Factory Calibration Procedure 1959 (PDF)] | |||
* [[Media:Tek 570 fcp feb 1964.pdf|Tektronix 570 Factory Calibration Procedure 1964 (PDF)]] | |||
* [[Media:Tek 570 fcp.pdf]] | |||
}} | }} | ||
The '''Tektronix 570''' is a curve tracer for tubes, introduced in 1955. | The '''Tektronix 570''' was Tek's first curve tracer. It is a curve tracer for tubes, introduced in 1955. | ||
It sweeps the plate voltage between zero and a selectable maximum voltage | It sweeps the plate voltage between zero and a selectable maximum voltage while "stepping" the control grid through a set of voltages. | ||
while "stepping" the control grid through a set of voltages. | |||
A selectable screen voltage is available for testing tubes with screens. | A selectable screen voltage is available for testing tubes with screens. | ||
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* T620: transformer for 60 kHz HV power oscillator for CRT voltages | * T620: transformer for 60 kHz HV power oscillator for CRT voltages | ||
The screen supply is regulated and uses a [[6CD6GA]] tube as the series | The screen supply is regulated and uses a [[6CD6GA]] tube as the series regulator. | ||
regulator. | |||
The vertical and horizontal amplifiers are almost identical. | The vertical and horizontal amplifiers are almost identical. | ||
The first stage is a differential amplifier made of two [[6AU6]] tubes. | The first stage is a differential amplifier made of two [[6AU6]] tubes. | ||
The second stage is a differential amplifier made of both halves of a [[6BQ7A]]. | The second stage is a differential amplifier made of both halves of a [[6BQ7A]]. | ||
A [[T0520|T52P1]] CRT is standard in the 570. | |||
==Pictures== | ==Pictures== | ||
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Tek 570 seven pin miniature adapter 1.jpg|7-pin miniature adaptor | Tek 570 seven pin miniature adapter 1.jpg|7-pin miniature adaptor | ||
Tek 570 seven pin miniature adapter 2.jpg|7-pin miniature adaptor | Tek 570 seven pin miniature adapter 2.jpg|7-pin miniature adaptor | ||
Tek 570 assorted adapters.jpg | |||
</gallery> | </gallery> | ||
[[Category:Curve tracers]] | [[Category:Curve tracers]] | ||