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The Tektronix 105 is a square wave generator. | {{Instrument Sidebar | ||
|manufacturer=Tektronix | |||
It was designed by Howard Vollum and Charles Sanford. | |model=105 | ||
|class=Signal generator | |||
|series= | |||
|summary=25 Hz to 1 MHz square wave generator | |||
|image=Tek_105_front.jpg | |||
|caption= | |||
|introduced=1950 | |||
|discontinued=(?) | |||
|designers=Howard Vollum;Charles Sanford | |||
|manuals= | |||
* [[Media:070-049.pdf|Tektronix 105 Manual (PDF)]] | |||
* [[Media:Tek type 105 field recal proc.pdf|Tektronix 105 Field Recalibration Procedure (OCR)]] | |||
* [[Media:Tek 105 fcp.pdf|Tektronix 105 Factory Calibration Procedure (PDF, OCR)]] | |||
<!-- * [http://bama.edebris.com/download/tek/105/105.djvu Tektronix 105 Manual (Djvu)] --> | |||
}} | |||
The '''Tektronix 105''' is a 25 Hz to 1 MHz square wave generator. It was designed by [[Howard Vollum]] and Charles Sanford. It is all tube. | |||
The 105 has a d'Arsonval meter on its front panel indicating the current frequency. | |||
* | The frequency meter works on the principle of moving a constant amount of charge per cycle, integrating this charge into a current, and measuring the current. | ||
The output is generated at the plates of three [[6AG7]] triodes that run in parallel. | |||
==Specifications== | |||
* Frequency range: 25 Hz to 1 MHz | |||
* Rise and fall time (10% to 90%): 20 nanoseconds | |||
* Amplitude range (600-ohm internal load only): 10 V to 100 V peak-to-peak | |||
* Amplitude range (93-ohm external load): 1.5 V to 15 V peak-to-peak | |||
* Power consumption: 250 watts | |||
* Weight: 35 pounds | |||
==Pictures== | |||
<gallery> | <gallery> | ||
Tek 105 front.jpg |105 front | |||
Tek 105 early.jpg|Early style of 105 with blocky meter | |||
Tek 105 on.jpg | |||
Tek 105 on2.jpg | |||
Tek 105 rear.jpg | |||
Tek 105 manual.jpg|manual | |||
Tek 105 on.jpg|powered on | |||
Tek 105 tube side.jpg|internal view, tube side | |||
105-rightInterior.jpg| right interior | |||
Tek 105 output section.jpg|output section detail | |||
Tek 105 waveform.jpg|output waveform of 105 | |||
Tek 105 blockdiag.png|Block diagram | |||
Tek 105 power supply.png|Power supply schematic | |||
Tek 105 generator and meter.png|Generator schematic | |||
Early tek 105.jpg|Early Tek 105 with horizontal case | |||
Tek 105 early power light low.jpg|Early Tek 105 with power light below switches | |||
</gallery> | </gallery> | ||
{{Parts|105}} | |||
[[Category:Pulse generators]] |