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National Stock Number:
6625-01-548-8262
Federal Supply Class:
6625
National Item Identification Number:
015488262
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:
| 4211A | 3ENZ4 | PRECISE TIME & FREQUENCY, LLC | | 4211A-MOPS | 3ENZ4 | PRECISE TIME & FREQUENCY, LLC |
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Techincal Specification:
| AC VOLTAGE RATING | 120.0 VOLTS MINIMUM AND 230.0 VOLTS MAXIMUM | | FREQUENCY BAND QUANTITY | 1 | | FREQUENCY CHANNEL QUANTITY | 1 | | INDIVIDUAL CHANNEL FREQUENCY | 10.0 MEGAHERTZ NOMINAL | | MOUNTING METHOD | RACK | | OVERALL HEIGHT | 1.750 INCHES NOMINAL | | OVERALL LENGTH | 19.000 INCHES NOMINAL | | OVERALL WIDTH | 12.000 INCHES NOMINAL | | REFERENCE DATA AND LITERATURE | T.O 51C3-1-143-3, TM 33A1-5-202-1 | | SPECIAL FEATURES | OUTPUT LEVEL AT 10.0MHZ IS .5VRMS INTO 50 OHMS, OUTPUT LEVEL AT 1PPS IS 5VOLTS CMOS WITH 960 OHMS SOURCE IMPEDANCE, STABILITY SHORT TERM 1S 3E-11; 10S 1E-11; 100S 3E-12, AGING LESS THAN 5E-11 PER MONTH; LESS THAN 5E-10 PER YEAR, PHASE NOISE 1HZ BANDWIDTH OFFSET FROM CARRIER 10HZ EQUALS -90DBC; 100HZ EQUALS -128DBC, SPURIOUS EQUALS -60DBC AT 100KHZ BANDWIDTH,MULTIPLE RF OUTPUTS 1,5,10 MPZ |
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