5961-00-472-0811 SEMICONDUCTOR DEVICE,DIODE Index 5955-00-472-0814 CRYSTAL UNIT,QUARTZ

National Stock Number:
5985-00-472-0813

Federal Supply Class:
5985

National Item Identification Number:
004720813

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:
1018201218876U S ARMY AVIATION AND MISSILE COMMAND
262915305OMEGA LABORATORIES INC


Techincal Specification:
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SLOTTED SCREW
APPLICATION DESIGNWAVEGUIDE
ATTENUATION VARIATION METHODCONTINUOUS
BODY STYLEWAVEGUIDE TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.280 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.220 INCHES NOMINAL
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 20.0
OVERALL HEIGHT0.764 INCHES NOMINAL
OVERALL LENGTH1.744 INCHES NOMINAL
OVERALL WIDTH1.625 INCHES NOMINAL
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.164 INCHES
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNC
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE
MOUNTING THREAD QUANTITY32 PER INCH
VOLTAGE STANDING WAVE RATIO1.00 AND 1.30
WAVEGUIDE FLANGE DESIGNATIONUG-39/U
WAVEGUIDE FLANGE TYPECOVER
TERMINAL TYPE AND QUANTITY2 FLANGE


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