Part Details | FREQUENCY STANDARD
6625-00-981-7815 An item that can generate a fundamental frequency with a high degree of accuracy. Harmonics of this fundamental are then used as a reference point for checking throughout the radio spectrum. The standard may be stable crystal oscillator, noncrystal oscillator, tuning fork, atomic beam, molecular beam, gas cell, quantum mechanical resonator, or the like.
Alternate Parts: VPS1, 6625-00-981-7815, 00-981-7815, 6625009817815, 009817815
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-981-7815 | 42641 ( FREQUENCY STANDARD ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6625-00-981-7815
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| VPS1 | 88869 | EATON CORPELECTRONIC INSTRUMENTATION DIV |
Technical Data | NSN 6625-00-981-7815
| Characteristic | Specifications |
|---|---|
| UNIT TYPE | GL ANY ACCEPTABLE |
| FREQUENCY RANGE RATING | +0.150 TO +3.000 KILOHERTZ |
| AC VOLTAGE RATING | 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL |
| FREQUENCY RATING | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM |
| PHASE | SINGLE |
| OVERALL WIDTH | 21.750 INCHES NOMINAL |
| OVERALL HEIGHT | 24.500 INCHES NOMINAL |
| OVERALL DEPTH | 20.000 INCHES NOMINAL |
| END ITEM IDENTIFICATION | VPS-1/QS-1/NI-4; AA946 |
| SUPPLEMENTARY FEATURES | VARIABLE PHASE STANDARD MOUNTED TOGETHER WITH A NULL INDICATOR AND A QUADRATURE STANDARD IN A BENCHTOP RACKMOUNT; VPS-1 GENERATES TWO SIGNALS DIFFERING IN PHASE BY ANY DESIRED ANGLE FROM 0 TO 360DEG |
| REFERENCE DATA AND LITERATURE | TO 33A1-12-438-1 |