VHF FM Transceiver IC-225

Icom, Inoue Communication Equipment Corp.; Osaka

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  • Year
  • 1976 ??
  • Category
  • Amateur TRX: Transmitter/Receiver (and Transceiver)
  • Radiomuseum.org ID
  • 75491
    • alternative name: INOUE COMM. E. CORP

 Technical Specifications

  • Number of Transistors
  • 56
  • Main principle
  • Transceiver; ZF/IF 10700/455 kHz
  • Wave bands
  • VHF incl. FM and/or UHF (see notes for details)
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 13.8 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 1.5 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: VHF FM Transceiver IC-225 - Icom, Inoue Communication
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 158 x 58 x 247 mm / 6.2 x 2.3 x 9.7 inch
  • Notes

  • ICOM Mobile-VHF-FM-Transceiver IC-225.
    Range: 144–146 MHz in 80 channels; Pout: 10 W/1 W.
    Very early PLL Transceiver.

    • Transmitter: Simplex: 80 channels in steps of 25 kHz; duplex: -600 kHz for each channel in transmit. 
    • Receiver: double conversion superheterodyne, with sensitivity better than 0.4 µV for 20 dB (S+ND)/N.

    56 Transistors and 3 ICs, listed one per type and not all.

    From an article of Dr. Alberto D'Altan, on "CQ Elettronica", January 1975.

  • Net weight (2.2 lb = 1 kg)
  • 2.4 kg / 5 lb 4.6 oz (5.286 lb)
  • Price in first year of sale
  • 1,430.00 DM
  • Mentioned in
  • Hannes Bauer-Katalog, 1976
  • Literature/Schematics (1)
  • "CQ Elettronica" Italy CD editor, number 1 January 1975.
  • Author
  • Model page created by Iven Müller. See "Data change" for further contributors.

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