5995-01-111-9251 CABLE ASSEMBLY,SPECIAL PURPOSE,E Index 5320-01-111-9253 RIVET,SOLID

National Stock Number:
5985-01-111-9252

Federal Supply Class:
5985

National Item Identification Number:
011119252

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:
B401445956996DEPARTMENT OF THE ARMY HQ UNITED STATES ARMY COMMUNICATIONS RESEARCH AND DEVELOPMENT COMMAND


Techincal Specification:
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SHAFT
APPLICATION DESIGNTRANSMISSION LINE
ATTENUATION PER STEP IN DECIBELS1.0
ATTENUATION VARIATION METHODSTEPPED
BODY DIAMETER2.938 INCHES MINIMUM AND 3.063 INCHES MAXIMUM
BODY LENGTH3.125 INCHES MAXIMUM
BODY STYLECYLINDRICAL W/SIDE TERMINALS
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM
COAXIAL CONNECTOR SERIES DESIGNATIONSMA
FREQUENCY RANGE7.250 GIGAHERTZ MINIMUM AND 7.750 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS50.0 INPUT-OUTPUT
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS0.5
OVERALL ATTENUATION ACCURACY IN DECIBELS-1.00 TO 1.00
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 70.0
OVERALL LENGTH4.063 INCHES MINIMUM AND 4.188 INCHES MAXIMUM
OVERALL WIDTH4.569 INCHES MINIMUM AND 4.631 INCHES MAXIMUM
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.164 INCHES
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S)
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MOUNTING THREAD QUANTITY32 PER INCH
SHAFT TYPEROUND, FLATTED
POWER RATING2.0 WATTS AVERAGE
SHAFT DIAMETER0.250 INCHES NOMINAL
VOLTAGE STANDING WAVE RATIO1.50
STEP POSITION QUANTITY70
TERMINAL TYPE AND QUANTITY1 PIN AND 2 CONNECTOR, COAXIAL, FEMALE


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