• Country
• United States of America (USA)

• Manufacturer / Brand
• Tektronix; Portland, OR

• Year
• 1969

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 144415

• Number of Tubes
• 1

• Valves / Tubes

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• none

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 90 - 136; 180 - 272 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Plug-In Oscilloscope 561B - Tektronix; Portland, OR

• Dimensions (WHD)
• 248 x 375 x 547 mm / 9.8 x 14.8 x 21.5 inch

• Notes
• Accepts multi-trace, differential, sampling and spectrum analyzer plug-in units
  8 x 10 cm display
  Dual trace: DC to 10 MHz, 35 nS
  Differential: DC to 1 MHz, 10 µV/div
  Sampling: DC to 14 GHz, 25 pS
  Spectrum analyzer: 10 Hz to 36 MHz
  Price without plug-in units.

• Net weight (2.2 lb = 1 kg)
• 14.6 kg / 32 lb 2.5 oz (32.159 lb)

• Price in first year of sale
• 560.00 $

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Pius Steiner. See "Data change" for further contributors.

• Other Models

• Here you find 386 models, 374 with images and 92 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tektronix; Portland, OR