HF Communications System TW100

Transworld Communications Inc. (Datron); Escondido (CA)

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  • Year
  • 1987 ?
  • Category
  • Commercial Transmitter & Receiver (TRX not Amateur)
  • Radiomuseum.org ID
  • 323367

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • AC/DC-set / 28 DC or 13.6 DC or 110/230 AC (Optional) Volt
  • Power out
  • 4 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: HF Communications System TW100 - Transworld Communications Inc.
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 343 x 107 x 445 mm / 13.5 x 4.2 x 17.5 inch
  • Notes

  • Frequency Range: 1.6-30 MHz in 100Hz synthesized steps.
    Frequency entry: keypad controlled microprocessor
    Channels: 100 simplex and half duplex
    Channel Programming: Mode 1 front Panel. Mode 2/3 Internal
    Continuous Entry: Channel 00 by keypad entry.
        Mode 1: Transmit and Receive.
        Mode 2: receive only.
        Mode 3: Disabled Frequency
    Antenna Impedance: 50 ohms
    Temperature range: -30 to + 60 C
    Frequency Control: temperature controlled master oscillator +/- 0.0001% +/-20Hz maximum
    Operation Modes: A3J, (USB / LSB), A3H (compatible AM), A1 (CW), F1 Teletype (optional).

    Transmitter: 

    • Power Output: 125W PEP, 100W Average
    • Carrier Suppression: Greater than -50dB
    • Spurious Suppression: Greater than -63dB, typical

    Receiver:

    • Sensitivity: 0.35uV for 10dB S+N/N
    • Selectivity: 300 to 2700Hz -6dB, -60dB at 5kHz, typical
    • Image Rejection: Greater than 80dB

    ​28V Power Supply: Receive 620mA, Transmit 12A average SSB

  • Net weight (2.2 lb = 1 kg)
  • 11.5 kg / 25 lb 5.3 oz (25.33 lb)
  • Author
  • Model page created by Noel Sutherland. See "Data change" for further contributors.

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