5905-00-153-0118 RESISTOR,VARIABLE,WIRE WOUND,NON Index 5930-00-153-0120 SWITCH,ROTARY

National Stock Number:
5985-00-153-0119

Federal Supply Class:
5985

National Item Identification Number:
001530119

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:
SM-B-65099812457MERRIMAC INDUSTRIES INC
SM-B-65099880063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SHAFT
APPLICATION DESIGNTRANSMISSION LINE
ATTENUATION VARIATION METHODCONTINUOUS
BODY STYLECOAXIAL TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.812 INCHES NOMINAL
COAXIAL CONNECTOR SERIES DESIGNATIONN
FREQUENCY RANGE4.400 GIGAHERTZ MINIMUM AND 5.000 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 30.0
OVERALL HEIGHT1.000 INCHES NOMINAL
OVERALL LENGTH4.250 INCHES MAXIMUM
OVERALL WIDTH3.850 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.138 INCHES
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNC
MOUNTING THREAD QUANTITY32 PER INCH
POWER RATING4.0 WATTS AVERAGE
PRECIOUS MATERIALRHODIUM AND SILVER
PRECIOUS MATERIAL AND LOCATIONTERMINALS RHODIUM AND TERMINALS SILVER
SHAFT DIAMETER0.250 INCHES NOMINAL
SHAFT TYPEROUND, SLOTTED
SHAFT LENGTH1.730 INCHES NOMINAL
VOLTAGE STANDING WAVE RATIO1.50
TERMINAL TYPE AND QUANTITY1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE


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