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561: Difference between revisions
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discontinued=1974 | | discontinued=1974 | | ||
manuals= | manuals= | ||
* [http://w140.com/Tektronix561ServiceManual.pdf Tektronix 561 Manual (PDF)] | |||
* [http://w140.com/tek_rm561.pdf Tektronix RM561 Manual (PDF)] | * [http://w140.com/tek_rm561.pdf Tektronix RM561 Manual (PDF)] | ||
* [http://w140.com/mmm/tek-561a.pdf Tektronix 561A Manual (PDF)] | * [http://w140.com/mmm/tek-561a.pdf Tektronix 561A Manual (PDF)] | ||
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* [http://w140.com/tek_560_561_product_release.pdf Tektronix 560 and 561 Product Release (PDF)] | * [http://w140.com/tek_560_561_product_release.pdf Tektronix 560 and 561 Product Release (PDF)] | ||
* [http://w140.com/tek_561_irb.pdf Tektronix 561 Instrument Reference Book (OCR, PDF)] | * [http://w140.com/tek_561_irb.pdf Tektronix 561 Instrument Reference Book (OCR, PDF)] | ||
* [http://bama.edebris.com/download/tek/561/561scope.pdf Tektronix | * [http://bama.edebris.com/download/tek/561/561scope.pdf Tektronix RM561A & RM561B Manual (BAMA, PDF)] | ||
* [http://bama.edebris.com/download/tek/561a/561a.djvu Tektronix 561A Manual (BAMA, DjVu)] | * [http://bama.edebris.com/download/tek/561a/561a.djvu Tektronix 561A Manual (BAMA, DjVu)] | ||
* [http://bama.edebris.com/download/tek/561b/561b.djvu Tektronix 561B Manual (BAMA, DjVu)] | * [http://bama.edebris.com/download/tek/561b/561b.djvu Tektronix 561B Manual (BAMA, DjVu)] | ||
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* [[Media:Tek 561a manufacturing memos late 1964.pdf]] | * [[Media:Tek 561a manufacturing memos late 1964.pdf]] | ||
* [[Media:Tek 561b mod 272c.pdf|Tektronix 561B Mod 272C]] | * [[Media:Tek 561b mod 272c.pdf|Tektronix 561B Mod 272C]] | ||
* [http://w140.com/Tektronix561_NO040267FieldModification.pdf Tektronix 561 #040-267 Field Modification Instructions] | |||
}} | }} | ||
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The 561 uses the [[T5032]] CRT, which has a glass envelope. The 561 and later versions also had a front panel calibrator signal for calibrating the plugins to the mainframe. The 561 calibrator has 18 attenuation steps and can output a square wave with an amplitude of 200μV to 100V. | The 561 uses the [[T5032]] CRT, which has a glass envelope. The 561 and later versions also had a front panel calibrator signal for calibrating the plugins to the mainframe. The 561 calibrator has 18 attenuation steps and can output a square wave with an amplitude of 200μV to 100V. | ||
Early serial numbers of the 561 use a neon bulb (B633) in the -100V regulator circuit, however, later versions (including the 561A) used a transistor. The modification for early units is documented at the end of the | Early serial numbers of the 561 use a neon bulb (B633) in the -100V regulator circuit, however, later versions (including the 561A and later) used a transistor. The modification for early units is documented at the end of the 561 manual and in the 040-288 Field Modification Instructions. | ||
===561A=== | ===561A=== | ||