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caption=Tektronix 544, front view (with [[1A1]] plug-in) | | caption=Tektronix 544, front view (with [[1A1]] plug-in) | | ||
introduced=1964 | | introduced=1964 | | ||
discontinued= | discontinued=1973 | | ||
summary=50 MHz oscilloscope| | summary=50 MHz oscilloscope| | ||
manuals= | manuals= | ||
* [http://bama.edebris.com/download/tek/544/544.djvu Tektronix 544 Manual (DjVu)] | * [http://bama.edebris.com/download/tek/544/544.djvu Tektronix 544 Manual (DjVu)] | ||
* [http://w140.com/tek_544.pdf Tektronix 544 Manual (PDF)] | * [http://w140.com/tek_544.pdf Tektronix 544 Manual (PDF)] | ||
<!-- * [[Media:Tek 547 544 546 technical instruction and training.pdf|Tektronix 547, 546, and 544 Technical Instruction and Training (PDF, needs OCR)]] --> | |||
* [http://w140.com/Hi-speed_recorder.pdf General Electric Report from 1968 Discussing Tek 544 Mod 108G (PDF)] | * [http://w140.com/Hi-speed_recorder.pdf General Electric Report from 1968 Discussing Tek 544 Mod 108G (PDF)] | ||
* [[Media:070-418.pdf|Tektronix 544 Manual (PDF, OCR, bad-OCR)]] | |||
* [[Media:Tek_547_544_546_tech_instr_and_training.pdf|Tektronix 547, 546, and 544 Technical Instruction and Training (PDF, OCR)]] | |||
* [[Media:GE_report_1968.pdf|General Electric Report from 1968 Discussing Tek 544 Mod 108G (PDF, OCR, bad-OCR)]] | |||
* [[Media:Tek 544 fcp dec 1968.pdf|Tektronix 544 Factory Calibration Procedure, December 1968 (PDF, needs OCR)]] | |||
}} | }} | ||
The Type 544 is a 50 MHz scope [[introduced in 1964]]. It has one timebase | The '''Tektronix Type 544''' is a 50 MHz scope [[introduced in 1964]]. | ||
To make horizontal magnification usable, the 544 has a vernier horizontal position control in addition to the | It has one timebase with several horizontal magnifier modes (×2, ×5, ×10, ×20, ×50, and ×100). | ||
regular horizontal position control. | To make horizontal magnification usable, the 544 has a vernier horizontal position control in addition to the regular horizontal position control. | ||
The fastest calibrated sweep is 10 ns/div. | The fastest calibrated sweep is 10 ns/div. | ||
Some magnification modes provide sweeps faster than 10 ns/div, but in those modes the horizontal scale is not calibrated, and a lamp on the front panel lights up to remind the operator of that. | Some magnification modes provide sweeps faster than 10 ns/div, but in those modes the horizontal scale is not calibrated, and a lamp on the front panel lights up to remind the operator of that. | ||
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The 544 (at least the early ones) uses the same [[tunnel diodes|tunnel diode]] triggering circuit | The 544 (at least the early ones) uses the same [[tunnel diodes|tunnel diode]] triggering circuit | ||
as is used in early [[547]] (tunnel diode in the collector load of a PNP differential amplifier). | as is used in early [[547]] (tunnel diode in the collector load of a PNP differential amplifier). | ||
There is also a rackmount version, the RM544. | |||
A factory modification, MOD 108G, was available that increased the accelerating voltage to 24 kV. | A factory modification, MOD 108G, was available that increased the accelerating voltage to 24 kV. | ||
The 1968 catalog lists an RM544 Mod 720 which has a direct-access plug-in and has 1 ns risetime. | The 1968 catalog lists an RM544 Mod 720 which has a direct-access plug-in and has 1 ns risetime (equiv. 350 MHz). | ||
The vertical amplifier and low voltage power supply of the 544 are the same as those of the [[546]] and [[547]]. | The vertical amplifier and low voltage power supply of the 544 are the same as those of the [[546]] and [[547]]. | ||
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The project lead for the development of the Tektronix 544, [[546]], and [[547]] was [[Bob Rullman]]. | The project lead for the development of the Tektronix 544, [[546]], and [[547]] was [[Bob Rullman]]. | ||
{{MissingSpecs}} | |||
==Pictures== | ==Pictures== | ||
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T tek scope 544 left.jpg|544 Left Internal | T tek scope 544 left.jpg|544 Left Internal | ||
T tek scope 544 right.jpg|544 Right Internal | T tek scope 544 right.jpg|544 Right Internal | ||
Tek 544.jpg | '''544''' with [[G|Type G]] plug-in, front view | |||
Tek rm544.jpg | '''RM544''' with [[1A1]] plug-in, front view | |||
</gallery> | </gallery> | ||