• Country
• United States of America (USA)

• Manufacturer / Brand
• MFJ Enterprises; Starkville (MS)

• Year
• 1989 ?

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 189972

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

• Number of Transistors
• 3

• Semiconductors
• 2N5486 2N5486 MRF901

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 9-12 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Indoor Active Antenna MFJ-1020A - MFJ Enterprises; Starkville MS

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 170 x 61 x 170 mm / 6.7 x 2.4 x 6.7 inch

• Notes
• Designed to provide reception of radio signals from 300 KHz to 30 MHz; preselector for inside and outside wire antennas; uses FET and bipolar circuitry with tuned input section; portability possible by internal telescoping antenna and 9V battery; ON/OFF bypass switch.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 67 models, 65 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MFJ Enterprises; Starkville (MS)