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National Stock Number:
6625-01-560-2531
Federal Supply Class:
6625
National Item Identification Number:
015602531
Description:
FREQUENCY STANDARD
Detail:
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.
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Manufacturer Information:
| 218-0057 | 13499 | ROCKWELL COLLINS, INC. | | AR-61A-08 | 2550A | ACCUBEAT LTD | | AR-61A-08 | SE093 | ACCUBEAT LTD | | AR-61A-08-01 | 25506 | EXCELITAS TECHNOLOGIES CORP. | | AR-61A-08-01 | 2550A | ACCUBEAT LTD | | AR-61A-08-01 | SE093 | ACCUBEAT LTD |
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Techincal Specification:
| DC VOLTAGE RATING | 23.4 VOLTS MINIMUM AND 28.6 VOLTS MAXIMUM | | FREQUENCY RANGE RATING | +5.000 TO 10.000 MEGAHERTZ | | FUNCTIONAL DESCRIPTION | HIGHLY ACCURATE REFERENCE POINT FOR TESTING/CHECKING OVER THE RADIO SPECTRUM | | NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED | | OVERALL DEPTH | 4.500 INCHES NOMINAL | | OVERALL HEIGHT | 3.250 INCHES NOMINAL | | OVERALL WIDTH | 3.250 INCHES NOMINAL | | SPECIAL FEATURES | (SMA) RF OUTPUT CONNECTION, RUBIDIUM BASED WITH BITE MONITORING POINTS | | RECORDING DEVICE ACCOMMODATION | NOT PROVIDED | | RELATIONSHIP TO SIMILAR EQUIPMENT | SIMILAR TO 6625-01-537-3375 BUT INTERNALLY THE ITEMS ARE DIFFERENT | | UNPACKAGED UNIT WEIGHT | 4.600 POUNDS |
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