| GENERAL CHARACTERISTICS ITEM DESCRIPTION | FREQUENCY RANGE,1025-1150 MHZ CONTINUOUSLY TUNABLE,INSERTION LOSS,1.250 DB MAXIMUM AT CENTER FREQUENCY PORM 400 KHZ,VSWR 1.5,1 MAXIMUM INPUT AND OUTPUT,IMPEDANCE 50 OHMS NOMINAL,ISOLATION WHEN TERMINATED IN 50 OHMS THE OUTPUT OF THE PRESELECTOR MUST BE 45 DB OR MORE DOWN AT A FREQUENCY PORM 63 MHZ FROM CENTER FREQUENCY AND 65 DB OR MORE DOWN AT A FREQUENCY PORM 126 MHZ FROM CENTER FREQUENCY,PROTECTED FROM CORROSION OF METAL PARTS,MOISTURE AND FUNGUS RESISTANT,WEIGHT 1.900 LBS MAX DIAL SHALL BE CALIBRATED OR BE LINEAR INTERPOLATED AT 1 MHZ INCREMENTS WITH LOCKING DEVICE,PRESELECTOR SHALL POSSESS A MTBF OF NO LESS THAN 40,000 HRS,TUNING MECHANISM DELIVERS A MINUMUM OF 5,000 CYCLES OF OPERATION,OPERATING TEMPERATURE MINUS 54 TO PLUS 185 DEG C,STORAGE TEMP MINUS 62 TO PLUS 71 DEG C,RELATIVE HUMIDITY OPERATING 96 PCT AT 30 DEG C,OPERATING ALTITUDE SEAL LEVEL TO 10,000 FT,6.975 IN. H,5.090 PORM 0.040 IN. W |