5999-01-114-1967 CONTACT,ELECTRICAL Index 5985-01-114-1969 ATTENUATOR,VARIABLE

National Stock Number:
5985-01-114-1968

Federal Supply Class:
5985

National Item Identification Number:
011141968

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:
77C715584P00303538LOCKHEED MARTIN CORPORATION
AR-2/2360212457MERRIMAC INDUSTRIES, INC


Techincal Specification:
ADJUSTMENT DEVICE TYPE AND QUANTITY1 KNOB W/DIAL AND 1 SHAFT
APPLICATION DESIGNTRANSMISSION LINE
ATTENUATION VARIATION METHODCONTINUOUS
BODY STYLEIRREGULAR
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT1.670 INCHES MINIMUM AND 1.710 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.370 INCHES MAXIMUM
COAXIAL CONNECTOR SERIES DESIGNATIONSMA
FREQUENCY RANGE63.750 MEGAHERTZ MINIMUM AND 86.250 MEGAHERTZ MAXIMUM
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
IMPEDANCE RATING IN OHMS50.0 INPUT-OUTPUT
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS1.1
OVERALL ATTENUATION ACCURACY IN DECIBELS-0.50 TO 0.50
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 12.0
OVERALL HEIGHT2.410 INCHES MINIMUM AND 2.450 INCHES MAXIMUM
OVERALL LENGTH3.080 INCHES NOMINAL
OVERALL WIDTH2.780 INCHES MINIMUM AND 2.820 INCHES MAXIMUM
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.112 INCHES
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S)
MOUNTING THREAD QUANTITY40 PER INCH
OPERATING TEMP RANGE-57.0 TO 70.0 CELSIUS
POWER RATING1.0 WATTS AVERAGE
VOLTAGE STANDING WAVE RATIO1.30
TERMINAL TYPE AND QUANTITY2 CONNECTOR, COAXIAL, FEMALE


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