NSN 5985-01-550-0749
Part Details | VARIABLE ATTENUATOR
5985-01-550-0749 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).
Alternate Parts: 50382, 5985-01-550-0749, 01-550-0749, 5985015500749, 015500749
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | APR 06, 2007 | 01-550-0749 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
IRREGULAR
Cross Reference | NSN 5985-01-550-0749
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 50382 | 99899 | L3 TECHNOLOGIES, INC.DBA NARDA MICROWAVE EAST |
Technical Data | NSN 5985-01-550-0749
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | WAVEGUIDE |
| FREQUENCY RANGE | 3.100 GIGAHERTZ MINIMUM AND 3.600 GIGAHERTZ MAXIMUM |
| VOLTAGE STANDING WAVE RATIO | 1.70 |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 5.0 |
| OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P80.0 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | M1.00/P1.00 |
| SEGMENT ATTENUATION RANGE IN DECIBELS | FP0.00/P30.00$$FP30.00/P60.00$$FP60.00/P80.00 |
| SEGMENT ATTENUATION ACCURACY IN DECIBELS | FM0.50/P0.50$$FM0.75/P0.75$$FM1.00/P1.00 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 4 |
| ATTENUATION PER STEP IN DECIBELS | 1.0 |
| BODY STYLE | IRREGULAR |
| OVERALL LENGTH | 3.000 INCHES NOMINAL |
| OVERALL HEIGHT | 1.000 INCHES NOMINAL |
| OVERALL WIDTH | 2.400 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE AND 15 PIN |
| COAXIAL CONNECTOR SERIES DESIGNATION | SMA |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 2.695 INCHES MINIMUM AND 2.705 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 2.095 INCHES MINIMUM AND 2.105 INCHES MAXIMUM |
| SPECIAL FEATURES | TYPE DAMA15P D-SHAPED PIN CONNECTOR WITH M24308/26-1 SCREW ASSEMBLY; POWER SUPPLIES MINUS 15.0 VOLTS DC AT 225.0 MILLIAMPS, AND PLUS 5.0 VOLTS DC AT 400.0 MILLIAMPS; STORAGE TEMPERATURE MINUS 40.0 TO PLUS 68.0 DEGREES C; OPERATING 95.0 PERCENT RELATIVE HUMIDITY AT 60.0 DEGREES C. CONDENSING; OPERATING ALTITUDE UP TO 4570.0 METERS; RADAR 3D, E/F BAND, LONG RANGE; PART NAME ASSIGNED BY CONTROLLING AGENCY - MICROWAVE DIGITAL NON-REFLECTIVE ATTENUATOR; REFERENCE SPECIFICATION/OUTLINE DOCUMENT NUMBER 506188 |
| OPERATING TEMP RANGE | +0.0 TO +60.0 DEG CELSIUS |
| BODY MATERIAL | ALUMINUM |
| END ITEM IDENTIFICATION | RAT-31 SL/T, RADAR SYSTEM |