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 |
|---|---|
| 19133 | MCDONNELL DOUGLAS CORP MCDONNELL DOU |
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 |
|---|---|---|
| BQNR | OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.50/+0.50 |
| BQNR | OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.50/+0.50 |
| CRSJ | SHAFT TYPE | ROUND, FLATTED |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.00 |
| AAQL | BODY STYLE | WAVEGUIDE TYPE |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | 0.169 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 5.812 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 2.437 INCHES NOMINAL |
| AKSA | WAVEGUIDE FLANGE DESIGNATION | UG-39/U |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 8 TERMINAL W/MOUNTING HOLES |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 FLANGE |
| BNGR | FREQUENCY RANGE | 8.9000 GIGAHERTZ MINIMUM AND 9.7000 GIGAHERTZ MAXIMUM |
| AJDB | POWER RATING | 1.0 WATTS AVERAGE |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+40.0 |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| ABHP | OVERALL LENGTH | 6.000 INCHES NOMINAL |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |