NSN 5985-01-297-2218
Part Details | VARIABLE ATTENUATOR
5985-01-297-2218 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: 295062P1, 100D1768, 5985-01-297-2218, 01-297-2218, 5985012972218, 012972218
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | MAR 31, 1989 | 01-297-2218 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
IRREGULAR
Cross Reference | NSN 5985-01-297-2218
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 295062P1 | 94117 | BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION INC. |
| 100D1768 | 28983 | DAICO INDUSTRIES, INC. |
Technical Data | NSN 5985-01-297-2218
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 0.030 GIGAHERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.40 |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 4.5 |
| OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P85.0 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | M0.15/P0.15 |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 7 |
| ATTENUATION PER STEP IN DECIBELS | B1.0$$B2.0$$B4.0$$B8.0$$B10.0$$B20.0$$B40.0 |
| BODY STYLE | IRREGULAR |
| OVERALL LENGTH | 3.770 INCHES MINIMUM AND 3.830 INCHES MAXIMUM |
| OVERALL HEIGHT | 1.480 INCHES MINIMUM AND 1.540 INCHES MAXIMUM |
| OVERALL WIDTH | 2.530 INCHES MINIMUM AND 2.590 INCHES MAXIMUM |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 ELECTRONIC, PROGRAMMABLE |
| TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, RECEPTACLE |
| COAXIAL CONNECTOR SERIES DESIGNATION | SMA |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.187 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 3.390 INCHES MINIMUM AND 3.410 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM |
| OPERATING TEMP RANGE | +0.0 TO +85.0 DEG CELSIUS |
| SUPPLEMENTARY FEATURES | 5.0 MSEC MAX SWITCHING SPEED |
| END ITEM IDENTIFICATION | SIGNAL DETECTION AND DIRECTION FINDING SET AN/SRS-1 |
| FSC APPLICATION DATA | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |