NSN 5985-00-287-7309

Part Details | VARIABLE ATTENUATOR

5985-00-287-7309 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: 3722, 5985-00-287-7309, 00-287-7309, 5985002877309, 002877309

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59SEP 05, 197300-287-730900838 ( ATTENUATOR, VARIABLE )
REFERENCE DRAWINGS & PICTURES

COAXIAL TYPE

Cross Reference | NSN 5985-00-287-7309
Part Number Cage Code Manufacturer
372299899L3 TECHNOLOGIES, INC.DBA NARDA MICROWAVE EAST
Technical Data | NSN 5985-00-287-7309
Characteristic Specifications
APPLICATION DESIGN TRANSMISSION LINE
FREQUENCY RANGE950.000 MEGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS50.0 INPUT-OUTPUT
VOLTAGE STANDING WAVE RATIO1.75
POWER RATING200.0 WATTS AVERAGE AND 2.0 KILOWATTS PEAK
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS5.0
OVERALL ATTENUATION RANGE IN DECIBELSP5.0/P90.0
OVERALL ATTENUATION ACCURACY IN DECIBELSM1.00/P1.00
ATTENUATION VARIATION METHOD CONTINUOUS
BODY STYLE COAXIAL TYPE
OVERALL LENGTH8.688 INCHES NOMINAL
OVERALL HEIGHT3.312 INCHES NOMINAL
OVERALL WIDTH1.969 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY1 KNOB
TERMINAL TYPE AND QUANTITY2 CONNECTOR, COAXIAL, FEMALE
COAXIAL CONNECTOR SERIES DESIGNATION N
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR UNC
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.164 INCHES
MOUNTING THREAD QUANTITY32 PER INCH
MOUNTING FACILITY PATTERN FOUR POSITION RECTANGULAR
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH6.719 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.844 INCHES NOMINAL
SCALE LINEARITY LINEAR
SCALE DIVISION QUANTITY90