4730-01-261-4010 COUPLING HALF,QUICK DISCONNECT Index 3040-01-261-4012 COLLAR,SHAFT

National Stock Number:
5985-01-261-4011

Federal Supply Class:
5985

National Item Identification Number:
012614011

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:
4702B-6099899NARDA HOLDINGS, INC.
C5111103-00157958SIGNALS WARFARE PROJECT MANAGER


Techincal Specification:
ADJUSTMENT DEVICE TYPE AND QUANTITY1 KNOB W/DIAL
APPLICATION DESIGNTRANSMISSION LINE
ATTENUATION PER STEP IN DECIBELS10.0
ATTENUATION VARIATION METHODSTEPPED
BODY MATERIALALUMINUM
BODY STYLECOAXIAL TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.312 INCHES NOMINAL
COAXIAL CONNECTOR SERIES DESIGNATIONSMA
FREQUENCY RANGE0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS50.0 INPUT-OUTPUT
OVERALL ATTENUATION ACCURACY IN DECIBELS-0.05 TO 0.05
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 90.0
OVERALL HEIGHT2.840 INCHES NOMINAL
OVERALL LENGTH3.765 INCHES NOMINAL
OVERALL WIDTH3.390 INCHES NOMINAL
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.138 INCHES
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNC
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE
MOUNTING THREAD QUANTITY32 PER INCH
POWER RATING2.0 WATTS AVERAGE AND 0.2 KILOWATTS PEAK
SEGMENT ATTENUATION ACCURACY IN DECIBELS-0.40 TO 0.40 AND -0.50 TO 0.50 AND -0.70 TO 0.70 AND -0.90 TO 0.90 AND -1.00 TO 1.00 AND -1.20 TO 1.20 AND -1.30 TO 1.30 AND -1.50 TO 1.50
SEGMENT ATTENUATION RANGE IN DECIBELS+0.00 TO 10.00 AND +10.00 TO 20.00 AND +20.00 TO 30.00 AND +30.00 TO 40.00 AND +40.00 TO 50.00 AND +50.00 TO 60.00 AND +60.00 TO 70.00 AND +70.00 TO 90.00
STEP POSITION QUANTITY9
VOLTAGE STANDING WAVE RATIO1.45
TERMINAL TYPE AND QUANTITY2 CONNECTOR, COAXIAL, FEMALE


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