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 |
|---|---|
| 11787 | MCS CORPORATION MICROWAVE COMPONENTS |
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 |
|---|---|---|
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM |
| ABMK | OVERALL WIDTH | 1.625 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 TERMINAL W/MOUNTING HOLES |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+20.0 |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| AKPT | WAVEGUIDE FLANGE TYPE | CONTACT |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.15 |
| ABXF | SHAFT LENGTH | 0.220 INCHES NOMINAL |
| BNGR | FREQUENCY RANGE | 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 1.276 INCHES MINIMUM AND 1.284 INCHES MAXIMUM |
| AKSA | WAVEGUIDE FLANGE DESIGNATION | UG-39/U |
| ABWV | SHAFT DIAMETER | 0.1870 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 FLANGE |
| AFGA | OPERATING TEMP RANGE | -40.0/+85.0 DEG CELSIUS |
| ABKW | OVERALL HEIGHT | 2.812 INCHES NOMINAL |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| CRSJ | SHAFT TYPE | ROUND |
| ABHP | OVERALL LENGTH | 2.250 INCHES NOMINAL |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |