Varidot (White Dot Generator) 434
Simpson Electric Co.; Chicago, IL - Lac du Flambeau, WI
- 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
- 99257
- Wave bands
- VHF incl. FM and/or UHF (see notes for details)
- Power type and voltage
- Alternating Current supply (AC) / 117 Volt
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: Varidot 434 - Simpson Electric Co.; Chicago,
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 11 x 8 x 8.5 inch / 279 x 203 x 216 mm
- Notes
-
The Simpson Model 434 provides white dot patterns with variable dot size (from 1 to 8 scanning lines, with corresponding dot widths), and variable dot number, from 6 to 12 horizontal dots, and 6 to 14 vertical dots.
Horizonzal and vertical sync pulses are provided, with adjustable vertical sync which can be operated at line frequency or off line frequency. This also operates as a hum-check control.
Modulated RF output is available, operating on fundamentals from Channel 2 to Channel 6. Positive or negative video output is also available.
Price in 1957: $147.50
- Price in first year of sale
- 145.00 $
- Mentioned in
- - - Manufacturers Literature (Simpson Test Equipment bulletin no. 2058)
- 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