NSN 5985-01-274-3994
Part Details | VARIABLE ATTENUATOR
5985-01-274-3994 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: ARS152267, ARS-1/52267, 56167773, 5616777-3, 5985-01-274-3994, 01-274-3994, 5985012743994, 012743994
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | MAR 08, 1988 | 01-274-3994 | 00838 ( ATTENUATOR, VARIABLE ) |
REFERENCE DRAWINGS & PICTURES
RECTANGULAR, TERMINALS ON ONE SURFACE
Cross Reference | NSN 5985-01-274-3994
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ARS-1/52267 | 12457 | MERRIMAC INDUSTRIES, INC. |
| 5616777-3 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 5985-01-274-3994
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | PRINTED CIRCUIT BOARD |
| FREQUENCY RANGE | 400.000 MEGAHERTZ MINIMUM AND 600.000 MEGAHERTZ MAXIMUM |
| IMPEDANCE RATING IN OHMS | 50.0 INPUT-OUTPUT |
| VOLTAGE STANDING WAVE RATIO | 1.50 |
| POWER RATING | 0.5 WATTS AVERAGE |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 2.0 |
| OVERALL ATTENUATION RANGE IN DECIBELS | P0.0/P15.5 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | M0.20/P0.20 |
| ATTENUATION VARIATION METHOD | CONTINUOUS |
| BODY STYLE | RECTANGULAR, TERMINALS ON ONE SURFACE |
| OVERALL LENGTH | 1.350 INCHES NOMINAL |
| OVERALL HEIGHT | 0.750 INCHES NOMINAL |
| OVERALL WIDTH | 0.800 INCHES NOMINAL |
| BUSHING LENGTH | 0.500 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 SHAFT |
| SHAFT TYPE | ROUND, SLOTTED |
| SHAFT DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| SHAFT LENGTH | 0.600 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 4 PIN |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 PRINTED CIRCUIT |
| FSC APPLICATION DATA | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |