Part Number
Part Number:
NSN:
NIIN:
Item Name:
ATTENUATOR , VARIABLE
Definition:
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).
CAGE Information
| Code | Company |
|---|---|
| 01456 | MICROWAVE DEVELOPMENT LABORATORIES I |
Federal Supply Class
Title
ANTENNAS, WAVEGUIDES, AND RELATE
Inclusions:
INCLUDES AERIALS; MASTS; TOWER EQUIPMENT; ATTENUATORS; COUPLERS; TRANSMISSION LINES.
Exclusions:
EXCLUDES TOWER STRUCTURES.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.2 |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.2 |
| AKPT | WAVEGUIDE FLANGE TYPE | CHOKE |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 TERMINAL W/MOUNTING HOLES |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.169 INCHES NOMINAL |
| AFGA | OPERATING TEMP RANGE | -28.0/+85.0 DEG CELSIUS |
| AKSA | WAVEGUIDE FLANGE DESIGNATION | UG-1494/U |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 1.340 INCHES NOMINAL |
| ABXF | SHAFT LENGTH | 0.500 INCHES NOMINAL |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.280 INCHES NOMINAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 FLANGE |
| AJDB | POWER RATING | 2.0 WATTS AVERAGE |
| ABKW | OVERALL HEIGHT | 1.687 INCHES NOMINAL |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.30 AND 1.35 |
| ABMK | OVERALL WIDTH | 2.523 INCHES MAXIMUM |
| BNGR | FREQUENCY RANGE | 7.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM |
| ABHP | OVERALL LENGTH | 4.000 INCHES NOMINAL |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| CRSJ | SHAFT TYPE | ROUND |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |
| ABWV | SHAFT DIAMETER | 0.250 INCHES NOMINAL |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+15.0 |