RF Signal Generator Set AN/URM-25D

MILITARY U.S. (different makers for same model)

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  • Year
  • 1953
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 241820

 Technical Specifications

  • Number of Tubes
  • 8
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Alternating Current supply (AC) / 103-126 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: RF Signal Generator Set AN/URM-25D - MILITARY U.S. different makers
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 14 x 11.25 x 10.75 inch / 356 x 286 x 273 mm
  • Notes

  • The signal generator set AN/URM-25D consists of generator unit SG-85/URM-25D, power supply unit PP-977/URM25D and a number of accessories (attenuators, adapters, leads).

    Frequency ranges:
    10 kHz - 50,000 kc ± 1%
    1 - 50 Mc ± 0.05 % when calibrated

    Tuning bands:
    Band A: 10 - 30 kc
    Band B: 30 - 95 kc
    Band C: 95 - 300 kc
    Band D: 300 - 950 kc
    Band E: .95 - 3.0 Mc
    Band F: 3.0 - 9.5 Mc
    Band G: 9.5 - 30 Mc
    Band H: 30 - 50 Mc

    Modulation:
    internal with 400 or 1,000 cps or external with 1000 - 15,000 cps.

    Output voltage RF:
    0.1 to 100,000 µV ± 10% (external termination with 50 ohm load) or 2 V adjustable across high load impedance.

    Output voltage Audio:
    400 or 1,000 cycles, 0 - 3 V adjustable across ~15,000 ohms.

  • Net weight (2.2 lb = 1 kg)
  • 37 lb (37 lb 0 oz) / 16.798 kg
  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Umberto Incardona. See "Data change" for further contributors.

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