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545: Difference between revisions
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Vintage dave (talk | contribs) (Shorting the vertical amp burns out the termination resistors not the delay line. Mod Kit 040-227 for early production,) |
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|manuals= | |manuals= | ||
'''545''' | '''545''' | ||
* [[Media:070-198.pdf|Tektronix 545 Manual]] | * [[Media:070-198.pdf|Tektronix 545 Manual]] | ||
* [https://w140.com/535_545_operators_handbook.pdf Tektronix 535 and 545 Operators Handbook] ( | * [https://w140.com/535_545_operators_handbook.pdf Tektronix 535 and 545 Operators Handbook] (OCR) | ||
* [[Media:tek_545_fcp.pdf|545 Factory Calibration Procedure, September 1959]] ( | * [[Media:tek_545_fcp.pdf|545 Factory Calibration Procedure, September 1959]] (OCR) | ||
* [https://w140.com/tek_545_calibration_and_maintenance_procedure.pdf Tektronix 545 Calibration and Maintenance Procedure] | * [https://w140.com/tek_545_calibration_and_maintenance_procedure.pdf Tektronix 545 Calibration and Maintenance Procedure] | ||
* [[Media:tek_545_calibration_maintenance_proc.pdf|Tektronix 545 Calibration and Maintenance Procedure]] ( | * [[Media:tek_545_calibration_maintenance_proc.pdf|Tektronix 545 Calibration and Maintenance Procedure]] (bad-OCR) | ||
'''545A''' | '''545A''' | ||
* [[Media:070-163.pdf|545A Instruction]] ( | * [[Media:070-163.pdf|545A Instruction]] (20M, OCR) | ||
* [[Media:tek_545a_fcp_early.pdf|545A Factory Calibration Procedure, January 1961]] ( | * [[Media:tek_545a_fcp_early.pdf|545A Factory Calibration Procedure, January 1961]] (OCR) | ||
* [[Media:tek_545a_fcp.pdf|545A Factory Calibration Procedure, July 1961]] ( | * [[Media:tek_545a_fcp.pdf|545A Factory Calibration Procedure, July 1961]] (OCR) | ||
'''545B''' | '''545B''' | ||
* [ | * [https://bama.edebris.com/download/tek/545b/545b.djvu Tektronix 545B Manual] (DJVu) | ||
* [[Media:Tek 545b irb.pdf|Tektronix 545B Instrument Reference Book]] ( | * [[Media:Tek 545b irb.pdf|Tektronix 545B Instrument Reference Book]] (OCR) | ||
* [[Media:Tek 545b fcp jan 1966.pdf|Tektronix 545B Factory Calibration Procedure, January 1966]] ( | * [[Media:Tek 545b fcp jan 1966.pdf|Tektronix 545B Factory Calibration Procedure, January 1966]] (needs OCR) | ||
* [[Media:Tek 545b fcp tlc up to jan 1969.pdf|Tektronix 545B Factory Calibration Procedure, January 1969]] ( | * [[Media:Tek 545b fcp tlc up to jan 1969.pdf|Tektronix 545B Factory Calibration Procedure, January 1969]] (needs OCR) | ||
* [[Media:Tek 545b eis march 1964.pdf|Tektronix 545B Engineering Instrument Specification]] | * [[Media:Tek 545b eis march 1964.pdf|Tektronix 545B Engineering Instrument Specification]] | ||
'''Maintenance and calibration''' | '''Maintenance and calibration''' | ||
* [https://w140.com/tek_balancing_545_vert.pdf Balancing the 540-Series Vertical Amplifier] ( | * [https://w140.com/tek_balancing_545_vert.pdf Balancing the 540-Series Vertical Amplifier] (OCR) | ||
* [https://w140.com/tek_fcp/tek_adjust_540_vert_delay.pdf How to Adjust the Vertical Amplifier and Delay Line of a 540-Series Oscilloscope] | * [https://w140.com/tek_fcp/tek_adjust_540_vert_delay.pdf How to Adjust the Vertical Amplifier and Delay Line of a 540-Series Oscilloscope] | ||
* [https://w140.com/navair_17-20aw-08.pdf Navair 17-20AW-08 Manual, which discusses the 545] | * [https://w140.com/navair_17-20aw-08.pdf Navair 17-20AW-08 Manual, which discusses the 545] | ||
}} | }} | ||
The '''Tektronix Type 545''' is a 30 (33) MHz scope that takes [[letter-series and 1-series plug-ins]]. It has two timebases, which allows delayed triggering. | The '''Tektronix Type 545''' is a 30 (33) MHz scope that takes [[letter-series and 1-series plug-ins]]. It has two timebases, which allows delayed triggering. | ||
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{{SpecGroup|545B}} | {{SpecGroup|545B}} | ||
{{Spec | Sweep | 0.1 μs/div to 5 s/div, 1−2−5 }} | {{Spec | Sweep | 0.1 μs/div to 5 s/div, 1−2−5 }} | ||
{{Spec | CRT | T5470-31-2, 10 kV acceleration }} | {{Spec | CRT | [[T5470]]-31-2, 10 kV acceleration }} | ||
{{Spec | Probes | 2 P6006 probes with BNC connectors }} | {{Spec | Probes | 2 P6006 probes with BNC connectors }} | ||
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=== 545 and 545A Vertical Path === | === 545 and 545A Vertical Path === | ||
Types 545 and 545A have a six stage differential [[distributed amplifier|distributed vertical amplifier]] | Types 545 and 545A have a six stage differential [[distributed amplifier|distributed vertical amplifier]] made of twelve [[6DK6]] tubes. | ||
made of twelve [[6DK6]] tubes. | |||
The vertical amplifier used in the 545A is also used in the [[551]] and [[555]]. | The vertical amplifier used in the 545A is also used in the [[551]] and [[555]]. | ||
The 545 uses the [[154-098]] CRT. With the limited CRT technology available at the time, the higher bandwidth of the 541 and 545 came with a tradeoff. | The 545 uses the [[154-098]] CRT. With the limited CRT technology available at the time, the higher bandwidth of the 541 and 545 came with a tradeoff. | ||
The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line. The lower bandwidth 531/[[Type 533|533]]/535 retained the 6 vertical divisions, as used in most other Tektronix scopes. | The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line. | ||
The lower bandwidth 531/[[Type 533|533]]/535 retained the 6 vertical divisions, as used in most other Tektronix scopes. | |||
Shorting the outputs of the vertical amplifier to ground can cause expensive damage by burning out the termination resistor network. | Shorting the outputs of the vertical amplifier to ground can cause expensive damage by burning out the termination resistor network. | ||
Starting at Type 545A serial number 29960, there is a 150 mA fuse, F1054, to prevent that failure. This change was made available for instruments already built, in Modification Kit 040-227. | Starting at Type 545A serial number 29960, there is a 150 mA fuse, F1054, to prevent that failure. | ||
This change was made available for instruments already built, in Modification Kit 040-227. | |||
=== 545B Vertical Path === | === 545B Vertical Path === | ||