5985-00-086-9125, ATTENUATOR,VARIABLE

National Stock Number:
5985-00-086-9125

Federal Supply Class:
5985

National Item Identification Number:
000869125

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:

2181735-2	49671	LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES
22396	01456	MICROWAVE DEVELOPMENT LABORATORIES, INC.
415250	28916	ATLANTIC MICROWAVE CORPORATION DIV COBHAM ELECTRONIC SYSTEMS
415250	66544	FRONTGRADE TECHNOLOGIES INC.
415250	80006	LITTON SYSTEMS INC AIRTRON DIV

Techincal Specification:

ADJUSTMENT DEVICE TYPE AND QUANTITY	1 SHAFT
APPLICATION DESIGN	WAVEGUIDE
ATTENUATION VARIATION METHOD	CONTINUOUS
BODY STYLE	WAVEGUIDE TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1.340 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH	1.280 INCHES NOMINAL
FREQUENCY RANGE	7.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS	0.2
OVERALL ATTENUATION RANGE IN DECIBELS	+0.0 TO 15.0
OVERALL HEIGHT	1.687 INCHES NOMINAL
OVERALL LENGTH	4.000 INCHES NOMINAL
OVERALL WIDTH	2.523 INCHES MAXIMUM
MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR
MOUNTING FACILITY TYPE AND QUANTITY	4 TERMINAL W/MOUNTING HOLES
OPERATING TEMP RANGE	-28.0 TO 85.0 CELSIUS
POWER RATING	2.0 WATTS AVERAGE
SHAFT DIAMETER	0.250 INCHES NOMINAL
SHAFT TYPE	ROUND
SHAFT LENGTH	0.500 INCHES NOMINAL
VOLTAGE STANDING WAVE RATIO	1.30 AND 1.35
WAVEGUIDE FLANGE DESIGNATION	UG-1494/U
WAVEGUIDE FLANGE TYPE	CHOKE
TERMINAL TYPE AND QUANTITY	2 FLANGE
UNTHREADED MOUNTING HOLE DIAMETER	0.169 INCHES NOMINAL

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