External power source; solid state electronic circuit construction
An instrument which measures the level of continuous noise present in amplifier and/or receiver circuits with reference to a fixed level of signal generated by a separate noise source. It is designed to measure noise levels over a wide band of frequencies including radio and video frequencies, and is normally calibrated in decibels relative to a specified r.M.S. Voltage summation across a specified impedance, or in decibels relative to a specified noise power level. if only audio frequency range, see meter, audio level.
Classification: Instruments and apparatus without a recording device specially designed for telecommunications, nesoi
NSN 5925-01-112-0839
NSN 5975-01-538-2892
NSN 5965-00-043-3463
NSN 6650-01-320-8778
NSN 6145-01-069-1601
NSN 5895-00-459-5014
NSN 6220-01-540-8827
NSN 6610-00-308-9034
NSN 5996-01-149-2434
NSN 5965-01-545-5971
NSN 4140-01-087-3336
NSN 5975-01-484-7894