• Country
• United States of America (USA)

• Manufacturer / Brand
• Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI

• Year
• 1956

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 99232

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

• Number of Tubes
• 8

• Valves / Tubes
• 6J6 6J6 6C4 6AK5 6AK5 6C4 6C4 5Y3GT

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: TV-FM Signal Generator 479 - Simpson Electric Co.; Chicago,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 17 x 14 x 7.5 inch / 432 x 356 x 191 mm

• Notes

• AM marker, FM sweep generator and crystal calibrator.

  Marker generator:

  • Fundamental and second harmonic
  • Band A, 3.3 - 15.6 Mc
  • Band B, 15 - 76 Mc
  • Band C, 75 - 250 Mc
  • Unmodulated or amplitude modulated 30% at 400 cycles
  • 400 cycle audio signal
  • Output attenuated with 2 controls: 1 step, 1 continuous
  • Accuracy 0.1% using 5 Mc crystal

  FM generator:

  • Band A, 2 - 120 Mc
  • Band B, 140 - 260 Mc
  • Dial marked for harmonic use for UHF
  • Sweep width continuously vriable, 0 though 15 Mc
  • Sweep rate 60 cycles (line frequency)

  Can be converted to color using Chromatic Probe and Chromatic Amplifier accessories.

  Price including 2 oscilloscope cables, 1 impedance matching output cable, 1 signal input cable, manual and UHF instructions, in 1957: $325.00

• Net weight (2.2 lb = 1 kg)
• 29 lb 0 oz (29 lb) / 13.166 kg

• Price in first year of sale
• 319.00 $

• Mentioned in
• - - Manufacturers Literature (Simpson Test Equipment bulletin no. 2058, 1957)

• Literature/Schematics (1)
• Allied Radio Catalog (Knight) (Nº 150, 1956)

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 147 models, 130 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI