Oscilloscope 122A/AR

Hewlett-Packard, (HP); Palo Alto, CA

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  • Year
  • 1959
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 128161

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 25
  • Number of Transistors
  • 2
  • Semiconductors
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 115; 230 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Oscilloscope 122A/AR - Hewlett-Packard, HP; Palo Alto
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 248 x 310 x 540 mm / 9.8 x 12.2 x 21.3 inch
  • Notes

  • The Hewlett-Packard Model 122A/AR is a dc to 200 kHz (kilocycle) dual-trace cathode-ray oscilloscope. It has accurately calibrated input sensitivity and sweep speed ranges. This oscilloscope features dc-coupled differential amplifiers and dual trace operation. Differential amplifiers are useful since they reject the common mode (in-phase) part of the input while amplifying the differential (out-of-phase) part.
    Some tube-types are used repeatedly. Transistors: CTP1113; 2N383.

    Sensitivity from 10 mV/cm to 100 V/cm.
    Sweep in 15 ranges from 5 µsec/cm to 0.5 sec/cm.
    122A for portable use, 122AR for cabinet installation.

  • Net weight (2.2 lb = 1 kg)
  • 15.8 kg / 34 lb 12.8 oz (34.802 lb)
  • Price in first year of sale
  • 725.00 $
  • Source of data
  • - - Manufacturers Literature
  • Mentioned in
  • - - Data from my own collection
  • Literature/Schematics (1)
  • -- Original prospect or advert (L'Elettrotecnica, magazine of AEI Italy, December 1958)
  • Author
  • Model page created by Sven Hoffmann. See "Data change" for further contributors.

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