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 |
---|---|
18876 | U S ARMY AVIATION AND MISSILE COMMAN |
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 |
CTGG | IMPEDANCE RATING IN OHMS | 600.0 INPUT-OUTPUT |
ABMK | OVERALL WIDTH | 2.656 INCHES NOMINAL |
BNGR | FREQUENCY RANGE | 0.000 KILOHERTZ MINIMUM AND 525.000 KILOHERTZ MAXIMUM |
ABWV | SHAFT DIAMETER | 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
ASYG | STEP POSITION QUANTITY | 10 |
AHTW | VOLTAGE STANDING WAVE RATIO | ANY ACCEPTABLE |
AAQL | BODY STYLE | CYLINDRICAL W/SIDE TERMINALS |
AJDB | POWER RATING | 1.5 WATTS AVERAGE |
ABPM | BODY DIAMETER | 2.250 INCHES NOMINAL |
ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +0.0/+100.0 |
ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | ANY ACCEPTABLE |
AAFS | APPLICATION DESIGN | TRANSMISSION LINE |
ABXF | SHAFT LENGTH | 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM |
AKEJ | MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
ADAQ | BODY LENGTH | 3.812 INCHES MAXIMUM |
TTQY | TERMINAL TYPE AND QUANTITY | 12 TAB, SOLDER LUG |
AFGA | OPERATING TEMP RANGE | -55.0/+85.0 DEG CELSIUS |
ASYH | ATTENUATION PER STEP IN DECIBELS | 10.0 |
AEJN | DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 1.500 INCHES NOMINAL |
CQYJ | MOUNTING FACILITY PATTERN | TWO POSITION IN-LINE |
ABHP | OVERALL LENGTH | 4.750 INCHES NOMINAL |
CRSJ | SHAFT TYPE | ROUND |
ASYF | ATTENUATION VARIATION METHOD | STEPPED |
CGGK | MOUNTING THREAD QUANTITY | 32 PER INCH |
CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
CRYY | MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |