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647: Difference between revisions
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The 647 is a 50 MHz oscilloscope with plug-ins for both vertical and horizontal deflection. | {{Oscilloscope Sidebar | | ||
title=Tektronix 647 | | |||
summary=50 MHz tube scope | | |||
image=647a_1.jpg| | |||
caption=647A front view | | |||
introduced=1963 | | |||
discontinued=(?) | | |||
manuals= | |||
* [http://w140.com/Tek_647_2.pdf Tektronix 647 Manual (PDF)] | |||
* [http://w140.com/kurt/647.pdf Tektronix 647 Manual (PDF scan of a photocopy)] | |||
* [http://w140.com/RM647_schematics.pdf Tektronix RM647 Schematics (large format, PDF)] | |||
* [http://bama.edebris.com/download/tek/647a/tek%20647a.djvu Tektronix 647A Manual (DjVu)] | |||
* [http://w140.com/tek_647_tentative.pdf Tektronix 647 Tentative Specifications (PDF)] | |||
}} | |||
The '''Tektronix 647''' is a 50 MHz oscilloscope with plug-ins for both vertical and horizontal deflection. | |||
The intent was to offer a higher performance scope in a small form factor, | The intent was to offer a higher performance scope in a small form factor, | ||
roughly the size and weight of the [[560-series_scopes|560 series]]. | roughly the size and weight of the [[560-series_scopes|560 series]]. | ||
The system is nearly all solid state, | The system is nearly all solid state, | ||
with the exception of the three [[5642]] HV rectifier tubes used in the CRT circuit. | with the exception of the three [[5642]] HV rectifier tubes used in the CRT circuit. | ||
The 647 was promoted as “ruggedized” with an extended operating temperature range, | The 647 was promoted as “ruggedized” with an extended operating temperature range, | ||
and higher shock and vibration ratings than previous lab grade instruments. | and higher shock and vibration ratings than previous lab grade instruments. | ||
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[[11A1]] single time base, and [[11A2]] dual time base were offered. | [[11A1]] single time base, and [[11A2]] dual time base were offered. | ||
The plug-ins are unique to the 647 and 647A. | The plug-ins are unique to the 647 and 647A. | ||
==Specifications== | |||
[[Category:Specifications needed]]''please add'' | |||
==Internals== | |||
Unlike the threaded knob used for retaining the [[letter-series_plug-ins|530/540 series plug-ins]], | Unlike the threaded knob used for retaining the [[letter-series_plug-ins|530/540 series plug-ins]], | ||
the 647 uses a lever actuated cam mechanism. | the 647 uses a lever actuated cam mechanism. | ||
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The 647 uses the [[T6470]] CRT. | The 647 uses the [[T6470]] CRT. | ||
==Pictures== | |||
<gallery> | <gallery> | ||
Image:647a_1.jpg|647A front view | Image:647a_1.jpg|647A front view | ||