• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi Instruments, Marconi-Ekco (MI, MEI)

• Year
• 1965 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 220717

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: UHF Attenuator DC-1GHz TF 2163S - Marconi Instruments, Marconi-

• Dimensions (WHD)
• 145 x 195 x 270 mm / 5.7 x 7.7 x 10.6 inch

• Notes
• TF 2163 is a switched attenuator having a range of 142 dB in 1 dB steps with a frequency range from DC to 1 GHz.The unit consists of switched networks in two cascades, giving steps of 20 and 1 dB. The components are well shielded, both from each other and from external fields, and a feature is the low v.w.s.r of the system which is 1.5:1 at 1GHz. Input and output impedances are 50 Ohm unbalanced. TF 2163S(CT.553) is a Services version of the attenuator. It differs in having a front panel lid equipped to stow a coaxial fuse unit, spare fuses and two type N to BNC adapters.

• Net weight (2.2 lb = 1 kg)
• 3.630 kg / 7 lb 15.9 oz (7.996 lb)

• Price in first year of sale
• 180.00 GBP

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Antonio Marra. See "Data change" for further contributors.

• Other Models

• Here you find 96 models, 83 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Instruments, Marconi-Ekco (MI, MEI)