5985-00-738-6128 ANTENNA Index 5985-00-755-4520 WAVEGUIDE ASSEMBLY

National Stock Number:
5985-00-755-2984

Federal Supply Class:
5985

National Item Identification Number:
007552984

Description:
ATTENUATOR,VARIABLE

Detail:
A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).


Manufacturer Information:
916808018876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
APPLICATION DESIGNWAVEGUIDE
ATTENUATION VARIATION METHODCONTINUOUS
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.280 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.216 INCHES NOMINAL
FREQUENCY RANGE8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 20.0
MOUNTING FACILITY TYPE AND QUANTITY4 TERMINAL W/MOUNTING HOLES
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
UNTHREADED MOUNTING HOLE DIAMETER0.191 INCHES NOMINAL
VOLTAGE STANDING WAVE RATIO1.15
TERMINAL TYPE AND QUANTITY2 FLANGE


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