FS-4

• Country
• United States of America (USA)

• Manufacturer / Brand
• Drake, R.L. Miamisburg, Ohio

• Year
• 1977 ??

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 91980

• Picture
• Schematics

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Power type and voltage
• Alternating Current supply (AC) / 120; 240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: FS-4 - Drake, R.L. Miamisburg, Ohio

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 183 x 96 x 270 mm / 7.2 x 3.8 x 10.6 inch

• Notes
• Solid state Frequency synthesizer matching the R-4 and T-4 series and SPR-4 sets.
  The FS-4 produces switchable 500 kHz spaced signals that can be fed to the receiver / transmitters instead of using separate crystals allowing continuous coverage. The 1 MHz and 0,5 MHz- ranges are switched on the FS-4 and the dial readout of the VFO (up to 1 kHz) for reception frequency added.

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 154 models, 99 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Drake, R.L. Miamisburg, Ohio