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National Stock Number:
5820-01-465-3674
Federal Supply Class:
5820
National Item Identification Number:
014653674
Description:
TUNER,RADIO FREQUENCY
Detail:
AN ELECTRONIC DEVICE CONSISTING OF THE NECESSARY ELEMENTS TO ESTABLISH THE UPPER AND LOWER LIMITS AND TO EFFECT THE VARIATION (CONTINUOUS OR IN STEPS) OF THE FREQUENCY OF A TUNED CIRCUIT BY MEANS OF AN INTEGRAL VARIABLE CAPACITOR, INDUCTOR, CAVITY OR LINE. IT IS GENERALLY USED FOR TUNING RADIO RECEIVERS, TRANSMITTERS, AMPLIFIERS, OR SIMILAR ITEMS. IT DOES NOT INCLUDE ELECTRON TUBES. SEE ALSO TUNING UNIT, RADIO FREQUENCY.
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Manufacturer Information:
| NX400TUB | 57655 | NAUTEL MAINE INC |
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Techincal Specification:
| AVERAGE LIFE MEASUREMENT | NOT RATED | | BASIC SHAPE STYLE | RECTANGULAR OR SQUARE | | CIRCUIT CONSTRUCTION TYPE | SOLID STATE | | ENVIRONMENTAL PROTECTION | WEATHERPROOF | | FUNCTIONAL DESCRIPTION | NAUTEL AUTOMATIC ANTENNA TUNING UNITS ELIMINATE THE DETUNING PROBLEMS INHERENT IN HIGH 'O' LF/MF ANTENNAS ENCOUNTERED UNDER VARYING CLIMATE CONDITIONS. ACLOSED LOOP SERVO TUNING SYSTEM ENSURES THE ANTENNA IS MAINTAINED AT SERIES RESONANCE AND THEREFORE PROVIDES A CONSTANT 50 OHM RESISTIVE LOAD. THIS ALLOWS THE TRANSMITTER TO BE INSTALLED AT ANY DISTANCE FROM THE ANTENNA SITE. | | INCLOSURE TYPE | HERMETICALLY SEALED | | OPERATING CONTROL METHOD | AUTOMATIC | | OPERATING TEMP RANGE | -50.0/+55.0 DEG CELSIUS | | OVERALL HEIGHT | 26.200 INCHES NOMINAL | | OVERALL LENGTH | 18.400 INCHES NOMINAL | | OVERALL WIDTH | 10.200 INCHES NOMINAL | | INSTALLATION DESIGN | MECHANICAL |
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