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 |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
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 |
|---|---|---|
| ABXD | BUSHING LENGTH | 0.570 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 0.800 INCHES NOMINAL |
| PRMT | PRECIOUS MATERIAL | GOLD |
| CRSJ | SHAFT TYPE | ROUND, SLOTTED |
| CTGG | IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| BNGR | FREQUENCY RANGE | 0.000 MEGAHERTZ MINIMUM AND 200.000 MEGAHERTZ MAXIMUM |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+20.0 |
| BQNR | OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.20/+0.20 |
| AJDB | POWER RATING | 0.5 WATTS AVERAGE |
| ABHP | OVERALL LENGTH | 1.350 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 PRINTED CIRCUIT |
| AAQL | BODY STYLE | RECTANGULAR, TERMINALS ON ONE SURFACE |
| PMLC | PRECIOUS MATERIAL AND LOCATION | BOTTOM SURFACES GOLD |
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 1.5 |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| ASYE | ATTENUATION ACCURACY REFERENCE FREQUENCY | 200.0 MEGAHERTZ |
| ABXF | SHAFT LENGTH | 0.600 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.750 INCHES NOMINAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 4 PIN |
| ABWV | SHAFT DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| AAFS | APPLICATION DESIGN | PRINTED CIRCUIT BOARD |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.30 AND 1.50 |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |