• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1961/1962

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 80499

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

• Number of Tubes
• 2

• Valves / Tubes
• EC86 EC86

• Number of Transistors

• Semiconductors
• E250C50 1N82

• Main principle
• RF Converter/Adapter (not voltage converter)

• Wave bands
• Wave Bands given in the notes.

• Details
• Converter

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: UHF-Converter NT1152 - Philips; Eindhoven tubes

• Dimensions (WHD)
• 260 x 85 x 220 mm / 10.2 x 3.3 x 8.7 inch

• Notes

• UHF-converter (band IV-V to channel 3 or 4 in band I) for VHF-only TVs.
  Uses a silicon mixing diode 1N82.
  Mains switch via electrothermal relay.
  See also the German model NT1152.

• Author
• Model page created by Hugo Sneyers. See "Data change" for further contributors.

• Other Models

• Here you find 5250 models, 4394 with images and 3451 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt