• Country
• Great Britain (UK)

• Manufacturer / Brand
• Farnell A.C. Ltd.; Leeds

• Year
• 1968 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 252265

• • Brand: WAL

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

• Number of Transistors
• 13

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Line / Batteries (any type) / 95-130; 190-260 / 3 x 9 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Sine/Square Oscillator LFM2 - Farnell A.C. Ltd.; Leeds

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 256 x 244 x 152 mm / 10.1 x 9.6 x 6 inch

• Notes

• Frequency range:
  1Hz to 1MHz in six ranges selected by push buttons.
  Scale accuracy:
  within +/-2% or 0.25Hz, whichever is greater Harmonic distortion: <0.5% between 10Hz and 100kHz, otherwise <2%.
  Square wave rise time: <0.15 microseconds.
  Frequency stability: within 0.2% over 8 hours.
  Amplitude stability: <2% between 10Hz and 100kHz, otherwise <5%.
  Output voltage:
  1mV to 12V peak to peak in four ranges with peak to peak value displayed on an analogue meter

   

• Net weight (2.2 lb = 1 kg)
• 4.640 kg / 10 lb 3.5 oz (10.22 lb)

• Author
• Model page created by Gwyn Griffiths. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Farnell A.C. Ltd.; Leeds