NSN 1285-00-318-7828 003187828
Product Details | VARIABLE ATTENUATOR
1285-00-318-7828 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).
Part Alternates: 003187828
Fire Control Equipment | Fire Control Radar Equipment, except Airborne
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 00-318-7828 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 1285-00-318-7828
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Technical Data | NSN 1285-00-318-7828
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 0.000 GIGAHERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.25 |
| POWER RATING | 2.0 WATTS AVERAGE |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 5.0 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.30 TO 0.90 |
| SEGMENT ATTENUATION RANGE IN DECIBELS | 0.00 TO 1.00 AND 1.00 TO 1.99 AND 2.00 TO 2.99 AND 3.00 TO 3.99 AND 4.00 TO 4.99 |
| SEGMENT ATTENUATION ACCURACY IN DECIBELS | -0.30 TO 0.30 AND -0.40 TO 0.40 AND -0.50 TO 0.50 |
| ATTENUATION ACCURACY REFERENCE FREQUENCY | 1.5 GIGAHERTZ |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 6 |
| ATTENUATION PER STEP IN DECIBELS | 1.0 |
| BODY STYLE | 20A COAXIAL TYPE |
| OVERALL LENGTH | 2.800 INCHES NOMINAL |
| OVERALL HEIGHT | 1.130 INCHES NOMINAL |
| OVERALL WIDTH | 1.130 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 KNOB |
| TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, MALE |
| COAXIAL CONNECTOR SERIES DESIGNATION | TNC |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 CONNECTOR |
| III OPERATING TEMP RANGE | 0.0 TO 50.0 DEG CELSIUS |
| MANUFACTURERS CODE | 00929 |
| DESIGN CONTROL REFERENCE | AV1MT |
Restrictions/Controls & Freight Information | NSN 1285-00-318-7828
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Controlled Inventory Item Code: | 7 | NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7). |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||