. QST . [ - J8 ^v ^ N / \ V A A. «,*- V ^ _ — 1 ^ •\ y V I \ / ^\ f V \ X > J A 1 / / \ \ f i \ \ y ( \ \ Dimensions: (3834) 1V4 X 1% X 2-3/16 (2000,1) 1V4 X 1% X 1% AIRCRAFTFILTERS UTC has produced the bulk of filtersused in aircraft equipment for overa decade. The curve at the left isthat of a miniaturized (1020 cycles)range filter providing high attenua-tion between voice and range fre-quencies. Curves at the right are that of ourminiaturized 90 and 150 cycle filtersfor glide path systems. CARRIERFILTERS A wide variety of carrier filters areavailable for specific type o
. QST . [ - J8 ^v ^ N / \ V A A. «,*- V ^ _ — 1 ^ •\ y V I \ / ^\ f V \ X > J A 1 / / \ \ f i \ \ y ( \ \ Dimensions: (3834) 1V4 X 1% X 2-3/16 (2000,1) 1V4 X 1% X 1% AIRCRAFTFILTERS UTC has produced the bulk of filtersused in aircraft equipment for overa decade. The curve at the left isthat of a miniaturized (1020 cycles)range filter providing high attenua-tion between voice and range fre-quencies. Curves at the right are that of ourminiaturized 90 and 150 cycle filtersfor glide path systems. CARRIERFILTERS A wide variety of carrier filters areavailable for specific type of tone channel filter canbe supplied In a varied range of bandwidths and attenuations. The curvesshown are typical units. DISCRIMINATORS These high Q discriminators provideexceptional amplification and linear-ity. Typical characteristics availableare illustrated by the low and higherfrequency curves Olmenslonst (7M4 ttriM) IH > IH X 7Wa (M4t) IW X 2 I 4 Dimensions: (6173) 1-1/16 X 1% < 3 (S174A) 1 X 1V4 X 2V4.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
