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 |
|---|---|
| 98738 | HERLEY CHICAGO DBA STEWART WARNER EL |
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 |
|---|---|---|
| ASYC | INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.2 |
| ZZZV | FSC APPLICATION DATA | TEST SET EXCEPT SPECIALLY DESIGNED |
| AJDB | POWER RATING | 500.0 MILLIWATTS PEAK |
| AEJN | DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 2.000 INCHES NOMINAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 2 TAB, SOLDER LUG |
| AHUC | COAXIAL CONNECTOR SERIES DESIGNATION | BNC |
| AAQL | BODY STYLE | COAXIAL TYPE |
| BQNR | OVERALL ATTENUATION ACCURACY IN DECIBELS | -2.50/+2.50 |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| CTGG | IMPEDANCE RATING IN OHMS | 51.0 INPUT-OUTPUT |
| AFGA | OPERATING TEMP RANGE | -40.0/+85.0 DEG CELSIUS |
| ABHP | OVERALL LENGTH | 12.000 INCHES NOMINAL |
| AKEJ | MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR | UNC |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE |
| ASYF | ATTENUATION VARIATION METHOD | CONTINUOUS |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | +27.0/+127.0 |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.25 |
| ABMK | OVERALL WIDTH | 4.219 INCHES NOMINAL |
| CQYJ | MOUNTING FACILITY PATTERN | TWO POSITION IN-LINE |
| CGGK | MOUNTING THREAD QUANTITY | 32 PER INCH |
| ABKW | OVERALL HEIGHT | 2.250 INCHES NOMINAL |
| ABWF | SCALE LINEARITY | LINEAR |
| ASYE | ATTENUATION ACCURACY REFERENCE FREQUENCY | 3.2 GIGAHERTZ |
| AAFS | APPLICATION DESIGN | WAVEGUIDE |
| AAFZ | BODY MATERIAL | BRASS |
| BNGR | FREQUENCY RANGE | 95.000 MEGAHERTZ MINIMUM AND 1.225 GIGAHERTZ MAXIMUM |
| CRYY | MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER | 0.164 INCHES |