144 MHz converter

Homebrew - ORIGINAL; GB

Data
Forum
Pictures
Collections

  • Year
  • 1966
  • Category
  • Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
  • Radiomuseum.org ID
  • 304284

 Technical Specifications

  • Number of Transistors
  • 4
  • Main principle
  • ZF/IF 30000 kHz
  • Wave bands
  • VHF incl. FM and/or UHF (see notes for details)
  • Power type and voltage
  • Powered by external power supply or a main unit. / 12 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 144 MHz converter - Homebrew - ORIGINAL; GB
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 95 x 37 x 130 mm / 3.7 x 1.5 x 5.1 inch
  • Notes

  • VHF converter for the 2-metre amateur band.

    Input: 144 - 146 MHz.
    Output: 28 - 30 MHz.

    29 MHz overtone crystal, multiplied to 116 MHz.

    2N3819 RF amplifier.
    2N3819 Mixer.
    2N3826 Oscillator.
    2N3826 Multiplier.

  • Net weight (2.2 lb = 1 kg)
  • 0.338 kg / 0 lb 11.9 oz (0.744 lb)
  • Author
  • Model page created by Bruce Taylor. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model 144 MHz converter is part of the collections of the following members.

 Forum