NSN 5985-01-290-4763

Part Details | VARIABLE ATTENUATOR

5985-01-290-4763 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).

Alternate Parts: 585R214H08, MPM359E, MPM-359E, MPM359E, MPM-359E, MP4300A, 585R214H08, MP4300A, 585R214H08, 585R214H04, 5985-01-290-4763, 01-290-4763, 5985012904763, 012904763

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59DEC 11, 198801-290-476300838 ( ATTENUATOR, VARIABLE )
REFERENCE DRAWINGS & PICTURES

COAXIAL TYPE

Cross Reference | NSN 5985-01-290-4763
Part Number Cage Code Manufacturer
585R214H0896341COBHAM ADVANCED ELECTRONIC SOLUTIONSINC.
MPM-359E96341COBHAM ADVANCED ELECTRONIC SOLUTIONSINC.
MPM-359E93346COBHAM ADVANCED ELECTRONIC SOLUTIONSINC.
MP4300A11332GENERAL MICROWAVE CORPORATION
585R214H0853213HERLEY-CTI, INC.DBA ULTRA ELECTRONICS HERLEY
MP4300A53213HERLEY-CTI, INC.DBA ULTRA ELECTRONICS HERLEY
585R214H0897942NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS
585R214H0497942NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS
Technical Data | NSN 5985-01-290-4763
Characteristic Specifications
APPLICATION DESIGN TRANSMISSION LINE
FREQUENCY RANGE30.000 MEGAHERTZ MINIMUM AND 55.000 MEGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS50.0 INPUT-OUTPUT
VOLTAGE STANDING WAVE RATIO1.35
POWER RATING11.25 WATTS AVERAGE AND 25.0 WATTS PEAK
OVERALL ATTENUATION RANGE IN DECIBELSP0.0/P50.0
ATTENUATION VARIATION METHOD STEPPED
STEP POSITION QUANTITY8
ATTENUATION PER STEP IN DECIBELSB0.39$$B0.78$$B1.56$$B3.12$$B6.24$$B12.48$$B24.96$$B50.00
BODY STYLE COAXIAL TYPE
OVERALL LENGTH5.000 INCHES MAXIMUM
OVERALL HEIGHT1.000 INCHES NOMINAL
OVERALL WIDTH3.329 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY1 ELECTRONIC, PROGRAMMABLE
TERMINAL TYPE AND QUANTITY2 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, RECEPTACLE
COAXIAL CONNECTOR SERIES DESIGNATION SMA
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
MOUNTING FACILITY PATTERN FOUR POSITION RECTANGULAR
UNTHREADED MOUNTING HOLE DIAMETER0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.100 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.800 INCHES NOMINAL
OPERATING TEMP RANGE-55.0 TO +71.0 DEG CELSIUS
BODY MATERIAL ALUMINUM ALLOY
SUPPLEMENTARY FEATURESELEC COMP OF DRIVER SECT. PROTECTED FROM V SPIKES ON THE SUPPLY LINES
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIP.