105: Difference between revisions

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|manuals=
|manuals=
* [[Media:070-049.pdf|Tektronix 105 Manual (PDF)]]
* [[Media:070-049.pdf|Tektronix 105 Manual (PDF)]]
* [http://w140.com/tek_fcp/tek_type_105_field_recal_proc.pdf Tektronix 105 Field Recalibration Procedure (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)]]
* [[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)] -->
<!-- * [http://bama.edebris.com/download/tek/105/105.djvu Tektronix 105 Manual (Djvu)] -->

Latest revision as of 07:56, 14 December 2023

Tektronix 105
25 Hz to 1 MHz square wave generator

Produced from 1950 to (?)

Manuals
Manuals – Specifications – Links – Pictures

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

  • 105 front

    105 front

  • Early style of 105 with blocky meter

    Early style of 105 with blocky meter

  • manual

    manual

  • powered on

    powered on

  • internal view, tube side

    internal view, tube side

  • right interior

    right interior

  • output section detail

    output section detail

  • output waveform of 105

    output waveform of 105

  • Block diagram

    Block diagram

  • Power supply schematic

    Power supply schematic

  • Generator schematic

    Generator schematic

  • Early Tek 105 with horizontal case

    Early Tek 105 with horizontal case

  • Early Tek 105 with power light below switches

    Early Tek 105 with power light below switches


Some Parts Used in the 105

Part Part Number(s) Class Description Used in
6AG7 154-012 • 154-0012-00 Vacuum Tube (Pentode) 9 Watt power pentode 104 • 104A • 105 • 112 • 511 • 511A • 512 • 513 • 514 • 517 • 517A • 524
6CB6A 154-0030-00 Vacuum Tube (Pentode) pentode 105 • 112 • 316 • 317 • 503 • 504 • 513 • 517 • 517A • 541 • 535 • 545 • 63 • 2A63
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