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 |
|---|---|
| 31196 | COMTECH PST CORP. DIV HILL ENGINEERI |
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 | 1.352 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| AKSA | WAVEGUIDE FLANGE DESIGNATION | UG-138/U |
| AFGA | OPERATING TEMP RANGE | -65.0/+155.0 DEG FAHRENHEIT |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 1.352 INCHES NOMINAL |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+6.0 |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.169 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 1.875 INCHES NOMINAL |
| ABWG | SCALE DIVISION QUANTITY | 6 |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| AKPT | WAVEGUIDE FLANGE TYPE | COVER |
| ABHP | OVERALL LENGTH | 3.500 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 1.875 INCHES NOMINAL |
| AJDB | POWER RATING | 50.0 WATTS AVERAGE |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 FLANGE |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.10 |
| BNGR | FREQUENCY RANGE | 900.000 MEGAHERTZ MINIMUM AND 8.400 GIGAHERTZ MAXIMUM |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| ASYK | VERNIER SCALE DIVISION QUANTITY | 1 |
| ABWF | SCALE LINEARITY | LINEAR |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |