Included inside this interface are the phase detectors, amplifiers, filters, switches (phase lock-loop circuitry), the hp 3561a dynamic signal analyzer, & measurement software (available in rmb or ms-dos compatible formats
An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. if other than audio frequency ranges, see meter, noise level.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5925-01-647-1651
NSN 6645-00-654-8804
NSN 5935-00-740-1694
NSN 6130-01-297-4821
NSN 5935-01-502-9069
NSN 5950-01-580-0598
NSN 5990-00-812-7608
NSN 5990-00-832-9766
NSN 5945-01-313-0544
NSN 4140-01-310-8608
NSN 6130-00-078-9310
NSN 7035-01-479-5268