5985-00-056-4744, ATTENUATOR,VARIABLE

National Stock Number:
5985-00-056-4744

Federal Supply Class:
5985

National Item Identification Number:
000564744

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:

196DS12	0C9D4	PERATON INC
196DS12	9N770	TELEPHONICS CORP/PRD INSTRUMENTS
9176451	18876	U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

ADJUSTMENT DEVICE TYPE AND QUANTITY	1 KNOB
APPLICATION DESIGN	WAVEGUIDE
ATTENUATION VARIATION METHOD	STEPPED
BODY STYLE	WAVEGUIDE TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1.280 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH	1.220 INCHES NOMINAL
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS	1.0
OVERALL ATTENUATION RANGE IN DECIBELS	+0.0 TO 72.0
OVERALL HEIGHT	3.077 INCHES NOMINAL
OVERALL LENGTH	6.510 INCHES NOMINAL
OVERALL WIDTH	5.063 INCHES NOMINAL
MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR
MOUNTING FACILITY TYPE AND QUANTITY	4 TERMINAL W/MOUNTING HOLES
SEGMENT ATTENUATION RANGE IN DECIBELS	+0.00 TO 20.00 AND +20.00 TO 40.00 AND +40.00 TO 50.00 AND +50.00 TO 60.00
VOLTAGE STANDING WAVE RATIO	1.15
WAVEGUIDE FLANGE DESIGNATION	UG-39/U
WAVEGUIDE FLANGE TYPE	COVER
TERMINAL TYPE AND QUANTITY	2 FLANGE
UNTHREADED MOUNTING HOLE DIAMETER	0.169 INCHES NOMINAL

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