5985-00-231-8896 ISOLATOR,RADIO FREQUENCY REFLECT Index 3455-00-231-8899 CUTTER,MILLING,INVOLUTE GEAR

National Stock Number:
5985-00-231-8897

Federal Supply Class:
5985

National Item Identification Number:
002318897

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:
0912A09992ANTENNA & RADOME RESEARCH ASSOCIATES CORP
253489210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
RA-501523042TRILITHIC, INC.
75V61.2-154352750ALAN INDUSTRIES INC


Techincal Specification:
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SHAFT
APPLICATION DESIGNTRANSMISSION LINE
ATTENUATION VARIATION METHODCONTINUOUS
BODY STYLECOAXIAL TYPE
BOLT CIRCLE DIAMETER2.000 INCHES NOMINAL
COAXIAL CONNECTOR SERIES DESIGNATIONBNC
FREQUENCY RANGE0.000 MEGAHERTZ MINIMUM AND 100.000 MEGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS75.0 INPUT-OUTPUT
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS0.1
OVERALL ATTENUATION ACCURACY IN DECIBELS-0.10 TO 0.10
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 9.7
OVERALL HEIGHT3.750 INCHES MAXIMUM
OVERALL LENGTH2.250 INCHES NOMINAL
OVERALL WIDTH2.750 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY3 THREADED HOLE
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.138 INCHES
MOUNTING FACILITY PATTERNTHREE POSITION CIRCULAR
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNC
MOUNTING THREAD QUANTITY32 PER INCH
OPERATING TEMP RANGE+0.0 TO 70.0 CELSIUS
POWER RATING250.0 MILLIWATTS AVERAGE
SCALE DIVISION QUANTITY12
SCALE LINEARITYNONLINEAR
SHAFT DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
SHAFT LENGTH0.562 INCHES NOMINAL
SHAFT TYPEROUND
VOLTAGE STANDING WAVE RATIO1.05
TERMINAL TYPE AND QUANTITY2 CONNECTOR, COAXIAL, FEMALE


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