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 |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
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 |
|---|---|---|
| ABHP | OVERALL LENGTH | 2.510 INCHES NOMINAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 PIN |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.090 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 2.500 INCHES NOMINAL |
| ABWV | SHAFT DIAMETER | 0.500 INCHES NOMINAL |
| ABXF | SHAFT LENGTH | 2.500 INCHES NOMINAL |
| AAFS | APPLICATION DESIGN | TRANSMISSION LINE |
| TEST | TEST DATA DOCUMENT | 81349-MIL-A-24215/9 SPECIFICATION |
| ABMK | OVERALL WIDTH | 1.004 INCHES NOMINAL |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| BNGR | FREQUENCY RANGE | 7.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM |
| AFGA | OPERATING TEMP RANGE | -45.0/+110.0 DEG CELSIUS |
| CRSJ | SHAFT TYPE | ROUND |
| BQNR | OVERALL ATTENUATION ACCURACY IN DECIBELS | -1.50/+1.50 |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+15.0 |